Note: Descriptions are shown in the official language in which they were submitted.
CA 02528911 2001-10-09
INFORMATION RECORDING/REPRODUCING
APPARATUS AND METHOD, RECORDING MEDIUM
AND INFORMATION RECORDING MEDIUM WITH
RECORDING/REPRODUCING CONTROL PROGRAM
This application is a divisional of Canadian
Patent Application No. 2,423,554, filed October 9, 2001.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a technical field of
an information recording apparatus, an information
reproducing apparatus, an information recording method, an
information reproducing method, recording medium, an
information recording medium in which a recording
controlling program is recorded and an information
recording medium in which a reproducing controlling program
Zo is recorded. More specifically, the present invention
relates to a technical field of an information recording
apparatus and method for recording record information to be
protected by copyright, an information recording medium in
which a recording controlling program is recorded, a
2s recording medium in which the record information is
recorded, an information reproducing apparatus and method
for reproducing the record information being recorded while
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CA 02528911 2001-10-09
securing a copyright on the record information and an
information recording medium in which a reproducing
controlling program is recorded.
2. Description of the Related Art
s In recent years, increasing the recording density of a
recording medium such as an optical disk is studied and
developed actively. As a result, a DVD (read only DVD
(DVD-ROM)), in which one movie for a movie theater can be
recorded, has been prevailing.
1o On the other hand, following studies and developments
of the DVD-ROM, the studies and developments with respect
to DVD-R (DVD-Recordable), DVD-RW (DVD-Re-Recordable), or
DVD-RAM (DVD-Rewritable), which are recordable optical
disks having high recording density, are made. As a
is result, progress has been made in standardizing of these
recordable DVDs and bringing an information recording
apparatus corresponding to the DVDs to market.
Incidentally, recording information such as a movie
recorded in the DVD-ROM is generally protected by
2o copyright. Specifically, copying the record information
recorded from the DVD-ROM without permission is prohibited
as a general with a few exceptions.
In order to secure the copyright on the record
information, conventionally, a variety of functions to
2s prevent illegal copy or disable reproduction of record
information which is illegally copied (hereinafter simply
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CA 02528911 2001-10-09
referred to illegal copy protection function) has been
developed.
However, in recent years, personal computers and the
Internet has been becoming pervasive, so that there may be
cases where illegal software for illegally canceling the
conventional illegal copy protection function is developed
and provided for general use through the Internet. If this
illegal software is used, there may be cases where the
record information recorded in the DVD-ROM is .illegally
to copied to any one of these recordable DVDs by a personal
computer. Further, there may be cases where the recordable
DVD to which the record information illegally copied is
replicated in large quantity by using an authorized
information recording apparatus. Therefore, there was a
problem such that the protection by the copyright came to
naught.
Although the above-mentioned illegal copy has to be
prevented, it should not be prevented that a user records
his private record information, which is recorded by his
own camcorder, in the recordable DVD by using the
information recording apparatus for the purpose of editing
it. Because the private recording itself is not illegal.
SUMMARY OF THE INVENTION
The present invention has been made taking the
problems into consideration, an ob ject of the invention is
to provide an information recording apparatus and an
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information recording method, an information recording
medium in which recording control program is recorded, a
recording medium in which the record information is
recorded, an information reproducing apparatus and method
for reproducing the record information, and an information
recording medium in which reproducing control program is
recorded, each of which is capable of securing the
copyright on the record information by making a sharp
distinction between a recoding medium in which the above-
l0 mentioned private record information is recorded and
another recording medium in which the record information is
illegally copied by a personal computer, etc., and
preventing the reproduction of the record information
recorded in said another recording medium in which the
record information is illegally copied.
The above object of the present invention can be
achieved by an information recording apparatus of the
present invention for recording record information in a
recording medium in which a first type information
2o indicating a type of the recording medium is recorded in
advance. The apparatus is provided with: a type
information recording device for recording a second type
information, whose correspondence to the first type
information is set in advance, in the recording medium in
which the first type information is recorded; and a
recording device for recording the record information in
the recording medium.
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According to the present invention, the second type
information having the correspondence to the first type
information, which is set in advance, is recorded in a
recording medium as well as the record information is
recorded in the recording medium. Then, the record
information is reproduced only when the first type
information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
io which is different from the first type information, is
recorded or to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
2o which the record information is illegally copied is made as
well as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
information .
In one aspect of the present invention, said type
information recording device records said second type
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information, which indicates the same content as that the
first type information indicates, in the recording medium.
According to this aspect, upon reproducing the record
information, it is possible to determine the correspondence
between the first type information and the second type
information and prohibit the reproduction of the record
information recorded under the illegal recording
processing, by a simple processing.
In another aspect of the present invention, said type
1o information recording device records said second type
information, which indicates a recordable recording medium,
in the recording medium.
According to this aspect, upon reproducing the record
information, it is possible to determine the correspondence
between the first type information and the second type
information and prohibit the reproduction of the record
information recorded under the illegal recording
processing, by a simple processing.
In further aspect of the present invention, the record
2o information is provided with a plurality of record
information units, and said type information recording
device records said second type information in both a whole
management information for managing the whole of the record
information and a management information unit for managing
the record information units.
According to this aspect, since the second type
information is recorded in both the whole management
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CA 02528911 2001-10-09
information and management information unit, if a second
type information is interpolated in any one of the whole
management information and management information unit, it
is possible to prohibit the reproduction of the record
information recorded under the illegal recording
processing, by using another second type information.
In further aspect of the present invention, said first
type information is recorded in lead-in area of the
recording medium, and the second type information is
1o recorded in data area which the record information is
recorded.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing, by using another second
type information.
In further aspect of the present invention, said first
type information indicates that the recording medium is any
one of DVD-ROM, DVD-R, DtTD-RAM of DVD-RW.
According to this aspect, it is possible to prohibit
2o the reproduction of the record information recorded under
the illegal recording processing, by using another second
type information.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording device records said second
type information, which indicates a recordable recording
medium, in the recording medium, when the recording medium
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CA 02528911 2001-10-09
is any one of the General type DVD-R, the DVD-RAM and the
DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing, by using another second
type information.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording device records said second
io type information, which indicates a read only recording
medium, in the recording medium, when the recording medium
is the Authoring type DVD-R.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing, by using another second
type information.
The above object of the present invention can be
achieved by an information reproducing apparatus of the
present invention for- reproducing record information from a
2o recording medium in which the record information, a first
type information and second type information are recorded,
said first type information indicating a type of the
recording medium, said second type information
corresponding to the first type information. The apparatus
is provided with: a first detecting device for detecting
said first type information from the recording medium; a
second detecting device for detecting said second type
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CA 02528911 2001-10-09
information from the recording medium; and a reproducing
device for reproducing the record information only when the
detected second type information has the correspondence to
the detected first type information, which is set in
advance.
According to the present invention, since the record
information is reproduced only when the first type
information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
1o recording processing such that the second type information,
which is different from the first type information, is
recorded or to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
2o information is recorded and another recording medium in
which the record information is illegally copied is made as
well as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
information.
In one aspect of the present invention, said
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CA 02528911 2001-10-09
reproducing device ejects the recording medium loaded in
the information reproducing apparatus from the information
reproducing apparatus if the detected second type
information has the correspondence to the detected first
type information, which is different from the
correspondence set in advance.
According to this aspect, if the detected second type
information has the correspondence to the detected first
type information, which is different from the
to correspondence set. in advance, the recording medium loaded
in the information reproducing apparatus is ejected from
the information reproducing apparatus. Therefore, it is
possible to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing, more effectively.
In another aspect of the present invention, the
correspondence set in advance is that said second type
information indicates the same content as that the first
type information indicates.
2o According to this aspect, upon reproducing the record
information, it is possible to determine the correspondence
between the first type information and the second type
information and prohibit the reproduction of the record
information recorded under the illegal recording
processing, by a simple processing.
Tn further aspect of the present invention, said
correspondence set in advance is that said second type
CA 02528911 2001-10-09
information indicates whether the recording medium is a
recordable recording medium or not.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, the record
information comprises a plurality of record information
units, and said second type information is recorded in both
a whole management information for managing the whole of
l0 the record information and a management information unit
for managing the record information units.
According to this aspect, since the second type
information is recorded in both the whole management
information and management information unit, if a second
type information is interpolated in any one of the whole
management information and management information unit, it
is possible to prohibit the reproduction of the record
information recorded under the illegal recording
processing, by using another second type information.
2o In further aspect of the present invention, said first
type information is recorded in lead-in area of the
recording medium, and the second type information is
recorded in data area which the record information is
recorded.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
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CA 02528911 2001-10-09
In further aspect of the present invention, said first
type information indicates that the recording medium is any
one of DVD-ROM, DVD-R, DVD-RAM and DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said reproducing device reproduces the record information,
to when the first type information indicates DVD-ROM or the
Authoring type DVD-R and the value of the second type
information indicates a read only recording medium.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said reproducing device reproduces the record information,
when the first type information indicates that the
2o recording medium is any one of the General type DVD-R, DVD-
RAM and DVD-RW and the value of the second type information
indicates a recordable recording medium.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
The above object of the present invention can be
achieved by a recording medium of the present invention,
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CA 02528911 2001-10-09
which is for use in an information recording and/or
reproducing apparatus. The medium is provided with: a
first type information recording area in which a first type
information indicating a type of the recording medium is
recorded in advance; a second type information recording
area in which a second type information, whose
correspondence to the first type information is set in
advance, can be recorded; and a record information
recording area in which record information to be recorded
io in a recording medium can be recorded.
According to the present invention, upon recording the
record information in the recording medium, the second type
information having the correspondence to the first type
information, which is set in advance, is recorded in the
second type information recording area. Then, upon
reproducing the record information, the record information
is reproduced only when the first type information has the
correspondence to the first type information, so that it is
possible to prohibit the illegal recording processing such
2o that the second type information, which is different from
the first type information, is recorded or to prohibit the
reproduction of the record information, which is recorded
by the illegal recording processing such that the second
type information is not recorded. Accordingly, by
effectively prohibiting the reproduction of the record
information which is recorded by the an information
processing apparatus or the like under an illegal recording
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processing, a sharp distinction between a recoding medium
in which a private record information is recorded and
another recording medium in which the record information is
illegally copied is made as well as the reproduction of the
record information recorded in said another recording
medium in which the record information is illegally copied
is prevented. Therefore, it is possible to secure the
copyright on the record information.
In one aspect of the present invention, the
correspondence set in advance is that said second type
information indicates the same content as that the first
type information indicates.
According to this aspect, upon reproducing the record
information, it is possible to determine the correspondence
between the first type information and the second type
information and prohibit the reproduction of the record
information recorded under the illegal recording
processing, by a simple processing.
In another aspect of the present invention, said
2o correspondence set in advance is that said second type
information indicates whether the recording medium is a
reacordable recording medium or not.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, the record
information is provided with a plurality of record
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CA 02528911 2001-10-09
information units, and said second type information
recording area is formed in both a whole management
information for managing the whole of the record
information and a management information unit for managing
the record information units.
According ~to this aspect, since the second type
information is recorded in both the whole management
information and management information unit, if a second
type information is interpolated in any one of the whole
to management information and management information unit, it
is possible to prohibit the reproduction of the record
information recorded under the illegal recording
processing, by using another second type information.
In further aspect of the present invention, said first
I5 type information recording area of the recording medium,
and the second type information is formed in the record
information recording area.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
20 the illegal recording processing.
In further aspect of the present invention, a value of
the first disk type information indicated that the
recording medium is any one of DVD-ROM, DVD-R, DVD-RAM and
DVD-RW.
25 According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
CA 02528911 2001-10-09
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said second type information which indicates a read only
recording medium is recorded in the second type
information recording area, when the first type information
indicates DVD-ROM or the Authoring type DVD-R.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
1o In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said second type information which indicates a recordable
recording medium is recorded in the second type
information recording area, when the first type information
indicates that the recording medium is any one of the
General type DVD-R, DVD-RAM and DID-RW.
The above object of the present invention can be
achieved by an information recording method of the present
invention which records record information in a recording
2o medium in which a first type information indicating a type
of the recording medium is recorded in advance. The method
is provided with: a type information recording process for
recording a second type information, whose correspondence
to the first type information is set in advance, in the
recording medium in which the first type information is
recorded; and a recording process for recording the record
information in the recording medium.
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CA 02528911 2001-10-09
According to the present invention, the second type
information having the correspondence to the first type
information, which is set in advance, is recorded in a
recording medium as well as the record information is
recorded in the recording medium. Then, the record
information is reproduced only when the first type
information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
1o which is different from the first type information, is
recorded or to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
2o which the record information is illegally copied is made as
well as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
information.
In one aspect of the present invention, said type
information recording process records said second type
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CA 02528911 2001-10-09
information, which indicates the same content as that the
first type information indicates, in the recording medium
in which the first type information is recorded.
According to this aspect, upon reproducing the record
s information, it is possible to determine the correspondence
between the first type information and the second type
information and prohibit the reproduction of the record
information recorded under the illegal recording
processing, by a simple processing.
io In another aspect of the present invention, said type
information recording process records said second type
information, which indicates a recordable recording medium,
in the recording medium.
According to this aspect, it is possible to prohibit
15 the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, the record
information is provided with a plurality of record
information units, and said type information recording
2o process records said second type information a.n both a
whole management information for managing the whole of the
record information and a management information unit for
managing the record information units.
According to this aspect, since the second type
25 information is recorded in both the whole management
information and management information unit, if a second
type information is interpolated in any one of the whole
1s
CA 02528911 2001-10-09
management information and management information unit, it
is possible to prohibit the reproduction of the record
information recorded under the illegal recording
processing, by using another second type information.
In further aspect of the present invention, said first
type information is recorded in lead-in area of the
recording medium, and the second type information is
recorded in data area which the record information is
recorded.
to According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said first
type information indicates that the recording medium is any
one of DVD-ROM, DVD-R, DVD-RAM of DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention; said DVD-R
2o includes General type DVD-R and Authoring type DVD-R, and
said type information recording process records said second
type information, which indicates a recordable recording
medium, in the recording medium, when the recording medium
is any one of the General type DVD-R, the DVD-RAM and the
DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
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CA 02528911 2001-10-09
the illegal recording processing.
In further aspect of the present .invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording process records said second
type information, which indicates a read only recording
medium, in the recording medium, when the recording medium
is the Authoring type DVD-R.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
io the illegal recording processing.
The above object of the present invention can be
achieved by an information reproducing method of the
present invention which reproduces record information from
a recording medium in which the record information, a first
type information and second type information are recorded,
said first type information indicating a type of the
recording medium, said second type information
corresponding to the first type information. The method is
provided With: a first detecting process for detecting said
first type information from the recording medium; a second
detecting process for detecting said second type
information from the recording medium; and a reproducing
process for reproducing the record information only when
the detected second type information has the correspondence
to the detected first type information, which is set in
advance.
According to the present invention, since the record
CA 02528911 2001-10-09
information is reproduced only when the first type
information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
s which is different from the first type information, is
recorded or to prohibit the reproduction of the record
information, Which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
to reproduction of the record information which is recorded by
the an information processing apparatus or the like under
an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
15 which the record information is illegally copied is made as
well ~as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
2o information.
In one aspect of the present invention, said
reproducing process ejects the recording medium loaded in
an information reproducing apparatus from the information
reproducing apparatus if the detected second type
z5 information has the correspondence to the detected first
type information, which is different from the
correspondence set in advance.
ZI
CA 02528911 2001-10-09
According to this aspect, if the detected second type
information has the correspondence to the detected first
type information, which is different from the
correspondence set in advance, the recording medium loaded
in the information reproducing apparatus is ejected from
the information reproducing apparatus. Therefore, it is
possible to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing, more effectively.
io The above object of the present invention can be
achieved by an information recording medium of the present
invention in which a recording control program is recorded
readably by a recording computer in an information
recording apparatus for recording record information in a
recording medium in which a first type information
indicating a type of the recording medium is recorded in
advance. The recording control program causes the
recording computer to function as: a type information
recording device for recording a second type information,
2o whose correspondence to the first type information is set
in advance, in the recording medium in which the first type
information is recorded; and a recording device for
recording the record information in the recording medium.
According to the present invention, the second type
information having the correspondence to the first type
information, which is set in advance, is recorded in a
recording medium as well as the record information is
22
CA 02528911 2001-10-09
recorded in the recording medium. Then, the record
information is reproduced only when the first type
information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
which is different from the first type information, is
recorded or to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing such that the second type information is not
1o recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
which the record information is illegally copied is made as
well as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
2o it is possible to secure the copyright on the record
information.
In one aspect of the present invention, the record
information is provided with a plurality of record
information units, and said type information recording
device records said second type information in both a whole
management information for managing the whole of the record
information and a management information unit for managing
23
CA 02528911 2001-10-09
the record information units.
According to this aspect, since the second type
information is recorded in both the whole management
information and management information unit, if a second
type information is interpolated in any one of the whole
management information and management information unit, it
is possible to prohibit the reproduction of the record
information recorded under the illegal recording
processing, by using another second type information.
to In another aspect of the present invention, said first
type information is recorded in lead-in area of the
recording medium, and the second type information is
recorded in data area which the record information is
recorded.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said first
type information indicates that the recording medium is any
one of DVD-ROM, DVD-R, DVD-RAM of DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording device records said second
type information, which indicates a recordable recording
24
CA 02528911 2001-10-09
medium, in the recording medium, when the recording medium
is any one of the General type DVD-R, the DVD-RAM and the
DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording device records said second
1o type information, which indicates a read only recording
medium, in the recording medium, when the recording medium
is the Authoring type DVD-R.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
1s the illegal recording processing.
The above object of the present invention can be
achieved by an information recording medium of the present
invention in which a reproducing control program is
recorded readably by a reproducing computer in an
2o information reproducing apparatus for reproducing record
information from a recording medium in which the record
information, a first type information and second type
information are recorded, said first type information
indicating a type of the recording medium, said second type
2s information corresponding to the first type information.
The reproducing control program causes said reproducing
computer to function as: a first detecting device for
CA 02528911 2001-10-09
detecting said first type information from the recording
medium; a second detecting device for detecting said second
type information from the recording medium; and a
reproducing device for reproducing the record information
s only when the detected second type information has the
correspondence to the detected first type information,
which is set in advance.
According to the present invention, since the record
information is reproduced only when the first type
1o information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
which is different from the first type information, is
recorded or to prohibit the reproduction of the record
15 information, which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
2o an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
which the record information is illegally copied is made as
well as the reproduction of the record information recorded
25 in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
26
CA 02528911 2001-10-09
information.
In one aspect of the present invention, said
reproducing device ejects the recording medium loaded in
the information reproducing apparatus from the information
reproducing apparatus if the detected second type
information has the correspondence to the detected first
type information, which is different from the
correspondence set in advance.
According to this aspect, if the detected second type
to information has the correspondence to the detected first
type information, which is different from the
correspondence set in advance, the recording medium loaded
in the information reproducing apparatus is ejected from
the information reproducing apparatus. Therefore, it is
possible to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing, more effectively.
The above object of the present invention can be
achieved by a computer data signal embodied in a carrier
2o wave and representing a sequence of instructions, of the
present invention, which is executed by a recording
computer in an information recording apparatus for
recording record information in a recording medium in which
a first type information indicating a type of the recording
medium is recorded in advance. The instructions are
provided with the steps of: recording a second type
information, whose correspondence to the first type
27
CA 02528911 2001-10-09
information is set in advance, in the recording medium in
which the first type information is recorded; and recording
the record information in the recording medium.
According to the present invention, the second type
information having the correspondence to the first type
information, which is set in advance, is recorded in a
recording medium as well as the record information is
recorded in the recording medium. Then, the record
information is reproduced only when the first type
1o information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
which is different from the first type information, is
recorded or to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
2o an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
which the record information is illegally copied is made as
well as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
28
CA 02528911 2001-10-09
information .
In one aspect of the present invention, the record
information is provided With a plurality of record
information units, and said step of recording the record
information records said second type information in both a
whole management information for managing the whole of the
record information and a management information unit for
managing the record information units.
According to this aspect, since the second type
1o information is recorded in both the whole management
information and management information unit, if a second
type information is interpolated in any one of the whole
management information and management information unit, it
is possible to prohibit the reproduction of the record
information recorded under the illegal recording
processing, by using another second type information.
In another aspect of the present invention, said first
type information is recorded in lead-in area of the
recording medium, and the second type information is
2o recorded in data area which the record information is
recorded.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said first
type information indicates that the recording medium is any
one of DVD-ROM, DVD-R, DVD-RAM of DVD-RW.
29
CA 02528911 2001-10-09
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording device records said second
type information, which indicates a recordable recording
medium, in the recording medium, when the recording medium
is any one of the General type DVD-R, the DVD-RAM and the
l0 DVD-RW.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
In further aspect of the present invention, said DVD-R
includes General type DVD-R and Authoring type DVD-R, and
said type information recording device records said second
type information, which indicates a read only recording
medium, in the recording medium, when the recording medium
is the Authoring type DVD-R.
According to this aspect, it is possible to prohibit
the reproduction of the record information recorded under
the illegal recording processing.
The above object of the present invention can be
achieved by a computer data signal embodied in a carrier
wave and representing a sequence of instructions, of the
present invention, which is executed by a reproducing
computer in an information reproducing apparatus far
CA 02528911 2001-10-09
reproducing record information from a recording medium in
which the record information, a first type information and
second type information are recorded, said first type
information indicating a type of the recording medium, said
s second type information corresponding to the first type
information. The instructions are provided with the steps
of: detecting said first type information from the
recording medium; detecting said second type information
from the recording medium; and reproducing the record
io information only when the detected second type information
has the correspondence to the detected first type
information, which is set in advance.
According to the present invention, since the record
information is reproduced only when. the first type
is information has the correspondence to the first type
information, so that it is possible to prohibit the illegal
recording processing such that the second type information,
which is different from the first type information, is
recorded or to prohibit the reproduction of the record
2o information, which is recorded by the illegal recording
processing such that the second type information is not
recorded. Accordingly, by effectively prohibiting the
reproduction of the record information which is recorded by
the an information processing apparatus or the like under
2s an illegal recording processing, a sharp distinction
between a recoding medium in which a private record
information is recorded and another recording medium in
31
CA 02528911 2001-10-09
which the record information is illegally copied is made as
well as the reproduction of the record information recorded
in said another recording medium in which the record
information is illegally copied is prevented. Therefore,
it is possible to secure the copyright on the record
information.
In one aspect of the present invention, said step of
reproducing the record information ejects the recording
medium loaded in the information reproducing apparatus from
to the information reproducing apparatus if the detected
second type information has the correspondence to the
detected first type information, which is different from
the correspondence set in advance.
According to this aspect, if the detected second type
information has the correspondence to the detected first
type information, which is different from the
correspondence set in advance, the recording medium loaded
in the information reproducing apparatus is ejected from
the information reproducing apparatus. Therefore, it is
2o possible to prohibit the reproduction of the record
information, which is recorded by the illegal recording
processing, more effectively.
BRIEF DESCRIPTION OF THE DIAGRAMS
FIG. 1 is a plane outline diagram of a DVD-R according
to a preferred embodiment and a diagram for illustrating a
physical recording format such that the recording of the
32
CA 02528911 2001-10-09
recording information is completed;
FIG. 2 is a diagram (I) for illustrating a physical
format of the recording information according to the
preferred embodiment;
FIG. 3 is a diagram for illustrating a constitution of
a GOP in the physical format according to the preferred
embodiment;
FIG. 4 is a diagram (II) for illustrating a physical
format of the recording information according to the
io preferred embodiment;
FIG. 5 is a diagram (III) for illustrating a physical
format of the recording information according to the
preferred embodiment;
FIG. 6 is a diagram for illustrating a physical format
of the recording information according to the preferred
embodiment;
FIG. 7 is a block diagram for illustrating a schematic
constitution of an information recording/reproducing
apparatus according to the preferred embodiment;
2o FIG. 8 is a flow chart for illustrating the
information recording processing according to the preferred
embodiment;
FIG. 9 is a flow chart for illustrating the loading
processing according to the preferred embodiment;
FIG. 10 is a flow chart for illustrating the
information reproducing processing according to the
preferred embodiment;
33
CA 02528911 2001-10-09
FIG. 11 is a plane outline diagram of a DVD-R
according to a modified embodiment and a diagram for
illustrating a physical recording format such that the
recording of the recording information is completed;
FIG. 12 is a flow chart for illustrating the
information recording processing according to the modified
embodiment;
FIG. 13 is a flow chart for illustrating the loading
processing accord3.ng to the modified embodiment; and
1o FIG. 14 is a flow chart for illustrating the
information reproducing processing according to the
modified embodiment.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
A preferred embodiment of the present invention will
be explained with reference to the drawings.
The embodiment to be explained below is applied to an
information recording/reproducing apparatus, which records
the record information inputted from an external source in
2o a DVD-R which is a DVD capable of recording the record
information only one time while it is incapable of
rewriting the record information. The information
recording/reproducing apparatus can also reproduce record
information, which is recorded in a read only DVD (DVD-ROM)
a5 or a DVD-RW Which is another recordable DVD, in addition to
the record information recorded in the DVD-R.
(I) Embodiment of DVD-R
34
CA 02528911 2001-10-09
A DVD-R served as a recording medium, in which the
recording information is recorded and reproduced by the
information recording/reproducing apparatus, will be
described with reference to FIG. 1.
FIG. 1 illustrates a plan external view and a physical
recording format of the DVD-R after recording the record
information is completed, according to the present
embodiment.
The DVD-R according to the present embodiment
1o comprises an optical disc capable of recording only once
with a recording membrane such as a color membrane. In a
plan external view, the DVD-R has a center hall CH at a
center thereof to fix the DVD-R in a spindle motor for
rotating the DVD-R in the information recording/reproducing
apparatus. The DVD-R further has a no-redcordable area 110
not capable of recording the record information from the
inside thereof to the inner circumference, a redcordable
area PA capable of recording the recording information and
an end area EA not capable of recording the recording
information in the outer circumference side.
Further, the redcordable area PA after recording is
completed, is composed of: a beam density test area 111 in
which the test information for setting the density of the
optical beam to be used for recording the record
information is recorded; a managing data area 112 in which
the data of the set optical beam density and the managing
data to be described later in the recording process are
CA 02528911 2001-10-09
recorded; a lead-in area LIA in which the start information
or the like to be read out upon starting the reproduction
of the recorded record information are recorded in the
recording process of the record information; a file system
information area FS in which the file system information is
recorded as the information for indicating a file structure
in the record information; a data area DA in which the
record information is actually recorded; and a lead-out
area LOA in which the termination information or the like
to to be read out upon terminating the reproduction of the
recorded record information are recorded in the recording
process of the record information.
The lead-in area LIA of each area constituting the
redcordable area PA is an area in which each information
described later is recorded in its portion in advance upon
manufacturing a DVD-R 1R. Therefore, the portion is
already formed even in a DVD-R 1R which is on the market as
a blank disk, in which no record information to be
reproduced is recorded.
zo The lead-in area LIA is divided into: an initial zone
113 in which zero data indicating that the lead-in area LIA
starts therefrom is recorded; a reference code zone 114 in
which a management information and the like, which are
referred upon reproducing the record information recorded
in the DVD-R 1R, are recorded; a first buffer zone 115
functioning as a buffer zone between the reference code
zone 114 and a control data zone 116 described later; a
36
CA 02528911 2001-10-09
control data zone 116 in which management information and
the like, which is to be referred upon starting recoding
the record information and divided into n pieces of blocks
116_1 through 116_n, are recorded; and a second buffer zone
117 functioning as a buffer zone between the control data
zone 116 and the file system information area.
Each of blocks 116_1 through 116_n constituting the
control data zone 116 is provided with auxiliary
information 141 and 144, a disk producing information 142
to in which producing information relates to producing of the
DVD-R 1R (a producer's name), a physical format information
143 which is information indicating an optical disk type,
etc. of DVD-R 1R.
The physical format information 143 is provided with a
first disk type information 145 which indicates an optical
disk type of the DVD-R 1R, other information 146 which is
information other than the first disk type information.
The first disk type information 145 is comprised of 4-bit
information. In the DVD-R 1R, the value of the first disk
2o type information I45 is "OOlOb" (b indicates a binary
number).
It is standardized that the first disk type
information 145 is used in other DVDs , such as a DVD-ROM,
the recordable DVD-RW and DVD-RAM. Specifically, in the
DVD-ROM, the value of the first disk type information 145
is set as "OOOOb°. In the DVD-RAM, the value of the first
disk type information 145 is set as "OOOIb".
37
CA 02528911 2001-10-09
(II) Embodiment of physical format and logical format of
record information
Next, a physical format and a logical format, with
which the record information recorded in the data area DA
by the information recording/reproducing apparatus of the
present embodiment should be in conformity, will be
schematically explained with reference to FIGS. 2 to 6.
Alternatively, FIGS. 2, 4 and 5 hierarchically
illustrate the physical format. FIG. 3 a constitution of a
l0 GOP (Group Of Picture) in the physical format. FIG. 6
hierarchically illustrates the logical format corresponding
to the physical format.
The physical format explained below is a format with
which not only the record information to be recorded in the
DVD-R 1R but also the record information recorded in the
DVD-ROM and the record information to be recorded in the
DVD-RW and the DVD-RAM should be in conformity.
As shown in FIG. 2, image information and audio
information are divided into a plurality of Video Title
Sets (VTS) 3 (VTS # 1 to VTS #n) having an ID
(identification) number, respectively to be recorded.
The VTS means a set (a pack) packing image information
and titles relevant to the image information, whose
attributions such as the number of sound information and
sub-picture information (i.e., the information of a sub-
picture such as a subtitle of a movie or the like), a
specification, and a corresponding language are identical.
38
CA 02528911 2001-10-09
The titles are works such as movies, which producers intend
to present to viewers. More specifically, for example, a
plurality of movies, which correspond to one movie, having
scripts of different languages and the like may be recorded
in different titles respectively. Further, a movie of a
theater version and the corresponding movie of a special
version may be recorded in different titles respectively.
Alternatively, dust before an area in which a VTS#1 in
a VTS 3 is recorded, a video manager 2 is recorded. The
1o details of the video manager will be explained later.
A piece of VTS 3 is divided into a plurality of VOBs
having ID numbers, respectively, to be recorded with
control data 11 as a head. A portion composed of a
plurality of VOBs 10 is referred to as a VOB set (VOBS).
In order to distinguish the control data 11 as other data
composing the VTS 3 and a plurality of VOBs 10 comprising
an substance of the image information and the audio
information, the substantial portion is referred to as a
VOB set.
2o In the control data 11 to be recorded in a head of the
VTS 3, the information such as PGCI (Program Chain
Information) or the like comprising various information
with regard to a program chain, which is a logical segment
made by combining a plurality of cells (a cell will be
described later) and the backup information for it are
recorded as VTSI (Video Title Set Information).
,Alternatively, in each VOB 10, an substantial portion of
39
CA 02528911 2001-10-09
the image information and the audio information (i.e., the
image or the audio itself other than the control
information) is recorded in addition to the control
information .
Further, one piece of VOB 10 is composed of a
plurality of cells 20 having an ID number, respectively.
One piece of VOB 10 must be composed of integral multiples
of the cells 20 , so that one cell 20 is not shared by two
pieces of VOB 10.
1o One cell 20 is composed of a plurality of VOB units
(VOBU) 30 having an ID number, respectively. The VOB unit
30 means unit information including each of the image
information, the audio information and the sub picture
inf ormat ion .
Then, one VOB unit 30 is composed of: a navigation
pack 41 (hereinafter, simply referred to as a nevi pack) in
which the control information to control the data or the
like included in the VOB unit 30 is stored; video data 42
as the image information; audio data 43 as the audio
2o information and sub picture data 44 as the sub picture
information. Only the image data is recorded as the video
data 42 , and only the audio data is recorded as the audio
data 43. Alternatively, as the sub picture data 44, only
graphic data such as characters, a graphic as the sub
picture are recorded. It is defined in the standard that
there are eight kinds of audios capable of being recorded
CA 02528911 2001-10-09
in the DVD-R 1R and there are thirty two kinds of the sub
pictures capable of being recorded at the maximum.
Alternatively, the reproduction time (the reproduction
time corresponding to the data recorded between one navi
pack 41 and a navi pack 41 adjacent to this one navi pack
41) in response to one VOB unit 30 is recorded so as to
have a length in the range of not less than 0.4 second and
not more than 1.0 second. Therefore, the navi pack 41 is
definitely detected one time in the range of 0.4 second to
1.0 second upon reproduction.
Additionally, in one VOB unit 30, the navi pack 41
should be located at a head thereof. However, each of the
video data 42, the audio data 43 and the sub picture data
44 is not needed to be located in the VOB unit 30.
Alternatively, if they are located in the VOB unit 30, the
number and the order thereof may be arbitrarily set.
A segment of each of the video data 42, the audio data
43 and the sub picture data 44 shown in FIG. 1 is generally
referred to as a pack P.
2o In other words, the video data 42, the audio data 43
and the sub picture data 44 are respectively divided into a
pack P to be recorded in one VOB unit 30. Further, the
pack P in which the video data 42 is recorded is referred
to as a video pack, the pack P in which the audio data 43
is recorded is referred to as an audio pack, and the pack P
in which the sub picture data 44 is recorded is referred to
as a sub picture pack. Further, read-out starting time
41
CA 02528911 2001-10-09
information referred to as a SCR ( System Clock Reference )
is recorded in a back header to be recorded in the head of
each pack P. The SCR indicates a read-out start time on a
reproduction time axis when the input in respective buffers
should be started by reading out the data included in each
pack P from a track buffer in the information reproducing
apparatus for reproducing the information recorded in the
DVD-R 1R. Alternatively, the video data 42, the audio data
43 or the sub picture data 44 is normally recorded in the
io above described each pack P for every packet as a recording
unit obtained by further subsectioning the pack P.
However, according to the DVD-R 1R of the present
embodiment, one pack P is generally composed of one packet.
Finally, the navi pack 41 is composed of DSI data 51
comprising retrieval information for retrieving the image,
the audio or the like to be reproduced and displayed
(specifically, an address or the like on the DVD-R 1R in
which the image, the audio or the like to be reproduced and
displayed), and PCI data 50 comprising the information in
2o relation to the reproduction displaying control upon
displaying the image or the audio retrieved on the basis of
the DSI data 51. The DSI data 51 and the PCI data 50
compose a DSI packet and a PCI packet as a packet PT,
respectively, then, they are recorded.
Further, all of the video data 42 included in one VOB
unit 30 are composed of one or plural Groups of Picture
(GOP).
42
CA 02528911 2001-10-09
The DSI data 51 and the PCI data 50 will be described
in detail later.
Alternatively, the PCI data 50 includes highlight
information that defines the indication and the operation
when the viewer selects a certain alternative item.
Depending on the highlight information, for example, the
change of the screen display with respect to the item
selection in an image which displays the items to be
selected by the viewer (menu screen), a display position to
1o be changed in accordance with the selection, a command for
the selected item (i.e., a command for indicating the
operation to be carried out to the selected item) and the
like are set.
The image information for displaying a frame, a
selection button and the like, which are necessary for
composing a menu image and displaying it, is recorded as
the sub picture data 44 as the above described sub image
information.
Additionally, the above described GOP is the minimum
2o image unit by itself, which is defined in the MPEG (Moving
Picture Expert Group) 2 system as an image compression
system employed upon recording the image information in the
DVD-R 1R of the present invention. In a head of each GOP,
reproduction display time information referred to as a PTS
(Presentation Time Stamp) is recorded to indicate the
reproduction time on the reproduction time axis when the
video data 42 included in the GOP should be displayed.
43
CA 02528911 2001-10-09
The summary of the MPEG 2 system will be explained
below. Generally, there are many cases such that frame
images located back and forth of one piece of frame image
are similar each other and have a mutual relation in
continuous frame images. The MPEG 2 system has views upon
the point . In the MPEG 2 system, based on a plurality of
frame images to be transferred at interval of some frames ,
another frame image existing among the plurality of frame
images is generated by an interpolation calculation on the
1o basis of a moving vector or the like of an original image.
In the case, when recording another frame image, only by
recording the information with regard to the difference
among the plurality of frame images and the moving vector,
it becomes possible to predict another frame image with
reference to the recorded information and to reproduce
another frame image upon reproduction. Therefore, it
becomes possible to compress and record the image.
Further, the summary of the above described GOP will
be explained with reference to FIG. 3. FIG. 3 illustrates
2o an example of a plurality of frame images composing one
GOP. FIG. 3 shows that one GOP 52 is composed of twelve
pieces of frame images (the number of frame images included
in one GOP 52 is not fixed in the MPEG 2 system). In the
frame images, a frame image indicated by a reference
numeral "I" is referred to as an I picture (Intra-coded
picture) and it means a frame image capable of reproducing
a complete frame image only by its own image.
44
CA 02528911 2001-10-09
Alternatively, a frame image indicated by a reference
numeral "P" is referred to as a P picture (Predictive-coded
picture) and it means a predictive image generated by
decrypting the difference among the compensated and
s reproduced predictive images or the like on the basis of
the decrypted I picture or another P picture.
Alternatively, a frame image indicated by a reference
numeral "B" is referred to as a B picture (Bidirectionally
predictive-coded picture) and it means a predictive image
1o reproduced by using not only the decrypted I picture or P
picture but also a future I picture or a future P picture
recorded in an optical disc or the like for prediction. In
FIG. 3, a predictive relation (interpolation relation)
among respective pictures is represented by an arrow.
15 Alternatively, a general MPEG 2 system used in DVDs
including the DVD-R 1R according to the present invention
employs a variable rate system in which the data amount
included in each GOP 52 is not fixed. In other words,
respective pictures included in one GOP 52 correspond to a
2o moving image with rapid movement, so that in the case that
the mutual relation between respective pictures is small,
the data amount for composing respective pictures becomes
large. Accordingly, the data amount included in one GOP 52
also becomes large. On the other hand, respective pictures
25 included in one GOP 52 correspond to a moving image with
less movement, so that in the case that the mutual relation
between respective pictures is large, the data amount for
CA 02528911 2001-10-09
composing respective pictures becomes small and the data
amount included in one GOP 52 also becomes small.
In the physical format having a hierarchical structure
described in the above with reference to FIG. 2, respective
s segments are freely set by a manufacture of the record
information in accordance with his or her intention to be
recorded. By reproducing the information on the basis of a
logical structure to be explained later for every segment,
it is possible to carry out various and varied
to reproduction.
Next, the detail configuration of the video manager 2
will be explained with reference to FIG. 4.
At first, the video manager 2 is constituted by VMGI
(Video Manager Information) 4 as the main content of the
15 video manager 2 which serves as the informat3.on associated
with a whole of the image information and the sound
information, which are recorded in the DVD-R1R, and other
information 5 as other appendant information 5.
In the next place, the VMGI4 is constituted by an
2o access table 6 for accessing the above described respective
titles, a menu to indicate the names of the above described
respective titles as the other information and the
information for preventing the illegal copy, and other
information 7 including the back up information or the like
25 of these information.
Additionally, within the access table 6,
identification information 8, which is the identification
46
CA 02528911 2001-10-09
information as the above described video manager 2, second
disk type information 9, which is characteristic
information of the invention to indicate an optical disk
type of the DVD-R 1R as same as the above described first
disk type information 145, and other information 12, which
is the information other than these information, are
included. The second disk type information 9 comprises the
information of 2 bits, which is recorded together when the
record information is recorded a.n the DVD-R1R to be
1o described later (at this point, the second disk type
information 9 is different from the above described first
disk type information 145, which has been recorded .in
advance in the process of manufacturing). In the case that
the second disk type information 9 is recorded in the DVD-R
1R, its value is set to be "lOb".
Alternatively, within other information 12, the
version information or the like to indicate a version
number under a standard of the physical format, which has
been currently explained, is included.
2o Alternatively, also in the DVD exclusively used for
reproducing as other DVD and the above described DVD-RW and
the DVD-RAM capable of recording the information, the above
described second disk type information 9 and the second
disk type information 88 to be described later are
recorded. Specifically, as same as the above described
first disk type information 145, values of the second disk
type information 9 and the second disk type information 88
47
CA 02528911 2001-10-09
are set in such a manner that, if the DVD exclusively used
for reproducing is used, the values become "OOb", if the
DVD-RAM is used, the values become 'OIb' and if the DVD-RW
is used, the values become "llb", respectively.
A physical data structure of the above described DSI
data 51 and the PCI data 50 will be described with
reference to FIG. 5.
At first, as shown in FIG. 5, the PCI data 50 is
comprised of general information 55 as the PCI data 50
1o itself and the other information 56 as the rest
information.
Further, the general information 55 is composed of:
navi pack relative position information 70 as relative
recording address information from a head of the VOB 10 of
is the above described navi pack 41; VOBU reproduction start
time information 71 for indicating a reproduction start
time on the reproduction time axis of the VOB unit 30 in
which this navi pack 41 is included; VOBU reproduction
termination time information 72 for indicating a
2o reproduction termination time on the reproduction time
axis of the VOB unit 30; and other information 73 as the
rest information.
The DSI data 51 is comprised of: general information
75 as the DSI data 51 itself; VOB information 76 as the
25 information relevant to the VOB 10 to which the navi pack
41 belongs; VOBU search information 77 for indicating
recording position on the DVD-R 1R of other VOB units 30 to
48
CA 02528911 2001-10-09
be reproduced before and after the VOB unit 30 to which the
navi pack 41 belongs is reproduced, and other information
78 as the rest information.
Then, the general information 75 is comprised of: navi
pack relative position information 85 similar to the above
described navi pack relative position information 70, VOBU
identification number 86 for identifying the VOB unit 30 to
which the navi pack 41 belongs, and other information 87 as
the rest information.
1o Further, the VOB information 76 is comprised of : VOBU
reproduction start time information 80 for indicating the
reproduction start time on the reproduction time axis of
the VOB 10 to which VOB unit 30 including the navi pack 41
belongs; VOBU reproduction termination time information 81
for indicating the reproduction termination time on the
reproduction time axis of the VOB I0; and other information
82 as the rest information.
Still further, as the VOBU search information 77, as
shown in FIG. 3, the position information is included as a
list to indicate the position information for indicating a
recording position on the DVD-R 1R of the VOB unit 30 next
to the VOB unit 30 to which the navi pack 41 belongs, and a
recording position on the DVD 1 of the VOB unit 30 one
previous to the VOB unit 30 to which the navi pack 41
belongs, and the position information for indicating
recording positions on the DVD-R 1R of other VOB units 30
to be reproduced in the rage of 120 seconds after the start
49
CA 02528911 2001-10-09
time of the VOB unit 30 to 120 seconds before the start
time of the VOB unit 30.
Of the above-explained each information, information
for managing a manner of reproduction of the record
information, such as the video manager 2, the control data
11, the navi pack 41, PTS in each pack header and the like,
collectively means navigation information.
A logical format (a logical structure) obtained by
combining the record information recorded by the physical
1o segments shown in FIGs. Z, 4 and 5 will be explained with
reference to FIG. 6. Alternatively, in the logical format
shown in FIG. 6, the information is not actually recorded
on the DVD-R 1R, but the information (the access
information, the time information or the like) for
combining each data (specifically, the cell 20) shown in
FIGS. 2, 4 and 5 and reproducing it in the logical
structure shown in FIG. 6 is recorded on the DVD-R 1R,
specifically, in the control data 11.
For a clear explanation, the explanation will be given
2o from a lower hierarchy in FIG. 6. By selecting a plurality
of cells 20 and combining them in the physical format
explained above in FIG. 2, one program 60 is logically
composed on the basis of the manufacture's intention. The
program 60 is also the minimum logical unit capable of
being accessed in such a manner that a system controller in
the above described information recording/reproducing
apparatus identifies the segment and uses a command.
CA 02528911 2001-10-09
Alternatively, the manufacture may also define the program
60 as the minimum unit such that the viewer can freely
select one cell 20 or packed plural cells 20 and views
them. The unit is referred to as a PTT (Part of Title).
Alternatively, since one program 60 is logically
composed by selecting a plurality of cells 20, it is also
possible to use one cell 20 in a plurality of programs 60,
in other words, redundant use of the cell 20 such that one
cell 20 is reproduced in different and plural programs 60
1o is possible for the manufacturer.
The number of one cell 20 is treated as a cell ID
number (it is represented by a cell ID# in FIG. 2) upon
treating the cell 20 in the physical format shown in FIG.
2. On the other hand, the number of one cell 20 is treated
as a cell number in the order of the description in a PGCI
to be described later upon treating the cell 20 in the
physical format shown in FIG. 6.
One PGC (Program Chain) 61 is logically composed on
the basis of the manufacture's intention by combining a
2o plurality of programs 60. In the unit of the PGC 61, the
above described PGCI is defined. The present PGCI
includes: a reproduction order of the cells 20 for each
program 60 upon reproducing respective programs 60 (a
specific program number is assigned for every program s0 by
this reproduction order); an address as a recording
position on the DVD-R 1R of respective cells 20; the number
of a head cell 20 to be reproduced in one program 60; a
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CA 02528911 2001-10-09
reproduction system of respective programs 60; and various
commands (a command capable of being designated by the
manufacture for every PGC 61 or every cell 20). When
recording the information in the DVD-R 1R according to the
present embodiment, the manufacturer selects any one of
reproduction methods among a normal reproduction, a random
reproduction and a shuffle reproduction for every PGC 60 to
reproduce the program 60 upon reproduction. The random
reproduction is performed by using random numbers, so that
1o the same program 60 may be possibly reproduced in plural
times. The shuffle reproduction is also a random
reproduction using random numbers similar to the above
random reproduction, however, the program 60 is reproduced
only once so that the same program 60 is not reproduced in
plural times.
Alternatively, the recording position of tl~e PGCI on
the DVD-R 1R is located within the control data 11 (refer
to FIG. 2) as described above. However, in the case that
the PGCI is related to a menu within the video manager 2 ,
2o the recording position of the PGCI is located within the
control data (not shown) included in the video manager 2.
Alternatively, one PGCI 61 may include the data such
as a substantial image, an audio and the like as a
combination of the programs 60 (in other words, a
combination of the cells 20) in addition to the above
described PGCI.
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Further, in one PGC 6I, it is also possible to
redundantly use the cell 20 as described in the explanation
of the program 60 (namely, the same sell 20 is used by the
different PGC 61). Alternatively, the manufacturer is
capable of selecting a method (a method for reproducing
uncontinuously arranged cells) for reproducing the cells 20
regardless of the order that the cells 20 (for. example,
previously reproducing the cell 20 recorded lately or the
like) are stored in the DVD-R 1R in addition to a method
1o for reproducing the cells 20 in the order that they are
stored in the DVD-R 1R (a method for reproducing
continuously arranged cells) with respect to the cell 20 to
be used.
One title 62 is logically composed of one or a
plurality of PGC 61. For example, the title 62 is a unit
corresponding to one piece of movie and the title 62 is
information which the manufacturer wishes to provide to the
viewer of the DVD-R 1R.
Then, one VTS 63 is logically composed of one or
2o plural titles 62. This titles 62 included in the VTS 63
have common attribute, respectively. For example, with
respect to one and the same movie, the movies having
different languages correspond to respective titles 62.
Alternatively, the information corresponding to one VTS 63
shown in FIG. 6 corresponds to the information included in
one VTS 3 shown in FIG. 2. In other words, all information
logically included in the VTS 63 shown in FIG. 6 are
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CA 02528911 2001-10-09
recorded in the DVD-R 1R as one VTS 3.
On the basis of the above described logical format,
the manufacturer designates the record information
segmented in the physical format, so that the title (a
movie or the like) to be viewed by the viewer is formed.
(III) Embodiment of information recording/reproducing
apparatus
An information recording/reproducing apparatus for
recording the record information in a DVD-R 1R or a DVD-RW
based on the above described physical format as well as
reproducing the recorded information from the DVD-R 1R or
the DVD-RW according to the present embodiment will be
described with reference to FIGS. 7 to 10.
Alternatively, FIG. 7 is a block diagram for
illustrating a schematic constitution of an information
recording/reproducing apparatus according to the present
embodiment. FIG. 8 is a flow chart for illustrating the
information recording processing according to the present
embodiment. FIG. 9 is a diagram for illustrating a loading
2o processing executed upon executing the , reproducing
processing of the record information (namely, the loading
processing for loading the DVD-R 1R or the DVD-RW in the
information recording/reproducing apparatus according to
the present embodiment). FIG. 10 is a flow chart for
illustrating the information reproducing processing
according to FIG. 10.
As shown in FIG. 7, an information
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CA 02528911 2001-10-09
recording/reproducing apparatus S according to the present
embodiment is provided with: a pickup 120 as a recording
device, a first detecting device and a second detecting
device; a modulation unit I2I; a formatter 122; a video
encoder 123; an audio encoder 124; a system controller 125
as a type information recording device and a reproducing
device; a memory 127; a demodulation unit 128; a video
decoder 129; an audio decoder 130; a servo IC (Integrated
Circuit) 131; a spindle motor 132; an operating unit 133; a
to multiplexer 134 and a demultiplexer 135. Alternatively,
the system controller 125 is provided with a navigation
information generator 126 for generating the above
described navi pack 41 or the like.
The schematic operation of respective units will be
explained.
At first, the spindle motor 132 rotates the loaded
DVD-R IR or DVD-RW in a predetermined rotation speed on the
basis of a spindle control signal Sss from the servo IC
131.
2o On one hand, video information Sv as the recording
information to be recorded in a data area DA of the DVD-R
1R or DVD-RW is inputted in the video encoder 123 after it
is inputted from the outside.
Then, the video encoder 123 executes an encoding
processing set in advance with respect to the video
information Sv on the basis of the control signal Scv from
the system controller 125, generates an encoded video
CA 02528911 2001-10-09
signal Sev and outputs it to the multiplexes 134.
Specifically, for example, the encoding processing is one
in the above described MPEG 2 system.
On the other hand, audio information Sa as the
recording information to be recorded in the data area DA of
the DVD-R 1R or DVD-RW is inputted in the audio encoder 124
after it is inputted from the outside.
Then, the audio encoder 124 executes an encoding
processing set in advance with respect to the audio
to information Sa on the basis of the control signal Sca from
the system controller 125, generates an encoded audio
signal Sea and outputs it to the multiplexes 134.
Specifically, for example, the encoding processing is one
in the above described MPEG 2 system.
Therefore, the multiplexes 134 superposes (or
multiplexes) the image information and the audio
information included in the encoded video signal Sev by a
predetermined processing, generates a superposed signal Smx
and outputs it to the formatter 122.
2o The multiplexes 134 makes the above described encoded
audio signal Sea pass as it is and makes it into the
superpose signal Smx.
The formatter 122 combines navigation information
signal Snd to be described later from the navigation
information generator 126 and the above described
superposed signal Smx so as to be a system of the physical
format shown in FIGs . 2 , 4 and 5 on the basis of a control
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CA 02528911 2001-10-09
signal Scf from the system controller 125. Then, the
formatter 122 generates a format signal Smt and outputs it
to the modulation unit 121.
Respective recording information to be inputted in the
formatter 122 as the superposed signal Smx are outputted to
the system controller 125 as recording information signal
Sfm in a preset timing so that they are provided for
generating the above navigation information in the
navigation information generator 126.
to Then, the modulation unit 121 executes a predetermined
modulation processing (specifically, for example, 8-16
modulation processing) to the format signal Smt, generates
a modulation signal Sfe and outputs it to the pickup 120.
Therefore, the pickup 120 generates an optical beam B,
of which density is modulated by the modulation signal Sfe,
forms a pit corresponding to the above navigation
information included in the modulation signal Sfe, and
respective recording information on the information track
by irradiating the generated optical beam B on the
2o information track within the information recording surface
(not shown) of the DVD-R 1R or DVD-RW. Then, the
navigation information and respective recording information
are recorded on the DVD-R 1R or DVD-RW in a system of the
physical format shown in FIG. 1 and FIG. 3.
A deviation in a vertical direction with respect to
the above information recording surface and a horizontal
direction with respect to the above information recording
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CA 02528911 2001-10-09
surface between a converge position of the optical beam B
and the above information track is solved by moving an
objective lens (not illustrated) in the pickup 120 (an
objective lens for converging the optical beam B) in the
above horizontal direction and the above vertical direction
on the basis of the pickup servo signal Ssp to be outputted
from the servo IC 131, namely, by performing focus servo
Control and tracking servo control.
Therefore, the servo IC 131 generates the above
io spindle control signal Sss and the pickup servo signal Ssp
on the basis of a control signal Ssc form the system
controller 125 to output them to the spindle motor 132 and
the pickup 120, respectively.
On one hand, in the case of reproducing the recording
information or the like recorded in the DVD-R 1R or DVD-RW
in advance, the pickup 120 generates an optical beam B with
a predetermined density for reproduction to be irradiated
to the information track on which the above pit is formed.
Then, on the basis of this reflected light, the pickup 120
2o generates a detection signal Spp corresponding to the
recording information or the like to output it to the
demodulation unit 128.
Therefore, the demodulation unit 128 executes the
demodulation processing in association with the
demodulation processing in the above modulation unit 121 to
the detection signal Spp, generates the demodulation signal
Spd and outputs it to the demultiplexer 135.
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CA 02528911 2001-10-09
Then, the demultiplexer 135 separates the image
information and the audio information included in the video
information when the demodulation signal Spd includes the
video information, so that it generates a separated signal
Sdmx to output it to the video decoder 129.
On one hand, in the case that the demodulation signal
Spd includes the audio information, the demultiplexer 135
makes the demodulation signal Spd pass as it is and outputs
it to the audio decoder 130.
1o The video decoder 126 executes the decoding processing
corresponding to the encoding processing in the above video
encoder 123 to the separated signal Sdmx on the basis of a
control signal Scdv from the system controller 125,
generates a decoding video signal Sdv and outputs it to a
monitor (not shown) or the like in the outside.
Further,. the audio decoder 130 executes the decoding
processing corresponding to the encoding processing in the
above audio encoder 124 to the modulation signal Spd
including the audio information on the basis of a control
signal Scda from the system controller 125, generates a
decoding video signal Sda and outputs it to an amplifier
(not shown) or the like in the outside.
On the other hand, the operating unit 133 generates an
operational signal Sin corresponding to the operation and
outputs it to the system controller 125 when the operation
for carrying out the recording processing or the
reproduction processing in the information
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CA 02528911 2001-10-09
recording/reproducing apparatus S is carried out by the
user.
Further, the navigation information generator 126
generates the above navigation information signal Snd
including the above respective navigation information to be
recorded in the DVD-R 1R or DVD-RW upon recording
processing to be described later on the basis of the
control of the system controller 125 based on an operation
signal Sin and the recording information signal Sfm and
io outputs the generated navigation information signal Snd to
one of inputting terminals of the formatter I22.
Therefore, the above formatter 122 superposes the
recording information in the superpose signal Smx and the
navigation information in the navigation information signal
Snd, so that the above format signal Smt including the
recording information having the physical format shown in
FIGS. 2, 4 and 5 is generated.
In parallel with these operations, the system
controller 125 generates respective control signals Scv,
2o Sca, Scf, Ssc, Scdv and Scda for controlling the respective
operations to output them to the corresponding composing
members, respectively, while giving and receiving necessary
information to and from the memory 127 as a memory signal
Sm. Further, the system controller 125 executes
centralized control for a recording processing, a
reproducing processing and the like described below.
(i) An embodiment of recordi~ processing
CA 02528911 2001-10-09
In the next place, the recording processing of the
record information according to the embodiment will be
specifically described with reference to the FIG. 8.
Alternatively, the recording processing to be described
below comprises the regular (not illegal) recording
processing which is performed by loading a DVD-R 1R or DVD-
RW (except for a DVD-RAM) serving as a DVD capable of
recording the information in the information
recording/reproducing apparatus S.
1o As shown in FIG. 8, according to the recording
processing of the embodiment, if the above described DVD-R
1R or DVD-RW is loaded and the instruction for starting the
recording processing is executed in an operating unit 133,
at first, the above first class information 145, which has
been recorded in advance in the loaded DVD-R 1R or DVD-RW,
is detected (step S1).
In the next place, if its value is "OOlOb" to indicate
the DVD-R 1R (step S2; YES) when a content of the detected
first disk type information 145 (step S2) is confirmed, the
2o above described second disk type information 9 ( the second
disk type information included in the VMGI 4) and the
second disk type information 88 (the second disk type
information included in the DSI data 51) are set in a
navigation information generator 126 as "lOb", respectively
2s (step S3) so as to start the recording of the record
information (step S4). According to the processing of this
step S4, the record information including the above
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CA 02528911 2001-10-09
described first disk type information 145 and the second
disk type information 9 and 88 are recorded within the
loaded DVD-R 1R based on the physical format, which is
shown in the above described FIGs. 1 to 5.
Alternatively, it is confirmed whether the operation
to stop the recording processing is performed or not by the
operating unit 133 (step S5). If the operation is not
performed (step S5; NO), returning to the step S4, the
recording processing is continued. On one hand, the stop
io operation is performed (step S5; YES), the recording
processing is stopped at that point (step S6) to terminate
a series of the recording processing.
On the other hand, in the case that a content of the
detected first class information 145 is not "OOlOb" (step
S2; NO) in the determination of the step S2, then, it is
confirmed whether a content of the detected first disk type
information 145 is "OOllb" to indicate the DVD-RW or not
(step S7).
Then, if the value of the detected first disk type
information 145 is "OOllb" (step S7; YES), the above
described second disk type information 9 and 88 are set
within the navigation information generator 126 as "llb",
respectively (step S8), the recording of the record
information is started (step S4) and the processing after
the above described step S5 will be effected after that.
In this case, according to the processing in this step S4,
the recording information will be recorded within the
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CA 02528911 2001-10-09
loaded DVD-RW by the physical formats shown in the above
described FIGS. 1 to 5.
Alternatively, according to the above described
illegal recording processing, the processing in the steps
S3 and S8 shown in FIG. 8 are not executed. As a result,
in the optical disk, in which the illegal recording
processing is performed, the content of the first disk type
information 145 is different from the contents of the
second disk type information 9 and 88 or the second disk
1o type information 9 and 88 are definitely not recorded.
More particularly, for example, in the case that the
recording information, which is recorded in the DVD-ROM, is
illegally copied in a bit-by-bit system in the DVD-R 1R,
the second disk type information 9 and 88 are remained to
be "OOb" to indicate the DVD-ROM.
In the determination in the step S7 , if the value of
the detected first disk type information 145 is not "OOllb"
(step S7; NO), the value of the detected first disk type
information 145 is not any one of "OOlOb" and "0011b". In
2o this case, it is determined that the DVD currently loaded
is the DVD-ROM, in which the value of the first disk type
information 145 is "OOOOb", so that the recording
processing is immediately terminated.
(ii) An embodiment of reproducing processing
In the next place, the reproducing processing
according to the embodiment for reproducing the recording
information in the DVD-R 1R or DVD-RW in which the
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CA 02528911 2001-10-09
recording information is recorded by the recording
processing shown in FIG. 8 will be specifically explained
with reference to FIGS. 9 and 10.
(A) An embodiment of loading processing
At first, the processing in the case that the DVD-R 1R
or DVD-RW is loaded in the information
recording/reproducing apparatus S upon reproducing the
recording information will be described with reference to
FIG. 9 below.
to As shown in FIG. 9, in the loading processing
according to the embodiment, at first, the DVD-R 1R or DVD-
RW is inserted from a loading opening (not illustrated)
within the information recording/reproducing apparatus S,
so that the loading processing is started to fix a
rotational axis of a spindle motor 132 by using a loading
mechanism (not illustrated) (step S10).
Then, it is confirmed whether the loading of the DVD-R
1R or DVD-RW is completed or not ( step S11 ) . Then, if it
is not completed (step S11; NO), the processing is returned
2o to the step S10 again so that the loading processing is
continued. On one hand, if the processing is completed
(step S11; YES), then, rotation of the DVD-R 1R or DVD-RW
and condense of an optical beam B is started via the above
described respective servo controlling (step S12).
After that, the starting information or the like
within the above described lead-in-area LIA (including the
above described first class information 145) and the above
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CA 02528911 2001-10-09
described VMGI 4 are read out (step S13).
After that, it is confirmed whether the VMGI 4 is
correctly read out or not in the step S13 (step S14). If
it is not correctly read out (step S14, NO), it is assumed
that the recording information which is recorded in the
DVD-R 1R does not conform to the above described physical
format . After notifying the user of this , the processing
is shifted to the next reproducing processing.
On the other hand, if the VMGI 4 is correctly read out
to (step 514; YES), then, the initial confirmation such as
confirmation of a version number of the physical format on
the basis of the read out VMGI 4 is excuted (step S15). In
the next place, the content of the above described first
disk type information 145 that is read out (step S13) is
confirmed. Then, it is confirmed whether its value is
"OOOOb" to indicate the DVD exclusively used for
reproducing or not (step S16).
Then, if the content of the first disk type
information 145 is "OOOOb' (step . S16; YES), it is
2o consequently determined whether the above described second
disk type information 9 in the VMGI 4 is "OOb' or not (step
S17).
Therefore, if the second disk type information 9 is
"OOb" (step S17; YES), it is supposed that the normal DVD
exclusively used for reproducing is currently loaded in the
information recording/reproducing apparatus S and the
processing is shifted to the next reproducing processing.
CA 02528911 2001-10-09
On one hand, if the second disk type information 9 is
not "OOb" in the determination of the step S17 (step S17;
NO), the type of the optical disk to be indicated by the
first disk type information 145 and the type of the optical
disk to be indicated by the second disk type information ,9
are different each other in the optical disk which are
currently loaded in the information recording/reproducing
apparatus S, so that it is highly potential that this
optical disk is formed by illegally copying the record
1o information and this optical disk is immediately ejected to
the outside of the information recording/reproducing
apparatus S (step S22). Thus, the reproducing processing
including the loading processing is completed.
On the other hand, if the content of the detected
first disk type information 145 is not "OOOOb" in the
determination of the step S16 (step 516; NO), then, it is
confirmed whether its value is "OOlOb" to indicate the DVD-
R 1R or not (step S18).
Further, if the content of the first disk type
2o information 145 is "OOlOb" (step S18; YES), then, it is
determined whether the above described second disk type
information 9 is "lOb" or not (step S19).
Therefore, when the second disk type information 9 is
"lOb" (step S19; YES), it is supposed that the normal ~VD-R
IR is currently loaded in the information recording
reproducing apparatus S and the processing is shifted to
the next reproducing processing.
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CA 02528911 2001-10-09
On one hand, if the second disk type information 9 is
not "lOb" in the determination of the step S19 (step S19;
NO), the type of the optical disk to be indicated by the
first disk type information 145 and the type of the optical
disk to be indicated by the second disk type information 9
are different each other in the optical disk which are
currently loaded in the information recording/reproducing
apparatus S, so that it is supposed that this optical disk
is formed by illegally copying the record information and
to this optical disk is immediately ejected to the outside of
the information recording/reproducing apparatus S (step
S22). Thus, the reproducing processing including the
loading processing is completed.
On the other hand, if the content of the detected disk
is type information 145 is 'OOlOb" in the determination of the
step S18 (step S18; NO), then, it is confirmed whether its
value is "OOllb° to indicate the DVD-RW or not (step S20).
Further, if the content of the first disk type
information 145 is 'OOllb' (step 520; YES), then, it is
2o determined whether the above described second disk type
information 9 is 'llb" or not (step S21).
Therefore, the second disk type information 9 is "llb"
(step 521; YES), it is supposed that the normal DVD-RW is
currently loaded in the information recording/reproducing
2s apparatus S and the processing is shifted to the next
reproducing processing.
On one hand, if the second disk type information 9 is
67
CA 02528911 2001-10-09
not "llb° in the determination of the step S21 (step S21;
NO), the type of the optical disk.to be indicated by the
first disk type information 145 and the type of the optical
disk to be indicated by the second disk type information 9
s are different each other in the optical disk which are
currently loaded in the information recording/reproducing
apparatus S, so that it is supposed that this optical disk
is formed by illegally copying the record information and
this optical disk is immediately ejected to the outside of
io the information recording reproducing apparatus S (step
S22). Thus, the reproducing processing including the
loading processing is completed.
(B) An embodiment of reproducing processing
In the next place, the reproducing processing
1s according to the embodiment, which is executed in
succession to the above described loading processing, will
be explained With reference to FIG. 10.
As shown in FIG. 10, according to reproducing
processing of the embodiment, at first, the above described
2o starting information or the like and the VMGI 4 are read
out from the optical disk, which is currently loaded within
the information recording/reproducing apparatus S, and the
initial confirmation such as confirmation of the version
number of the physical format on the basis of the read out
25 VMGI 4 is executed (step S25).
If the initial confirmation is completed, then, the
content of the first disk type information 145 which is
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CA 02528911 2001-10-09
currently read out (step S25) is confirmed, so that it is
confirmed whether its value is "OOOOb" to indicate the DVD-
ROM or not (step S26).
If the content of the first disk type information 145
is "OOOOb" (step S26; YES), then, reproduction of the
record information recorded in the DVD-ROM (detection from
the optical disk) is started (step S27) and further, it is
determined whether the above described second disk type
information 88 within the DSI data 51 is 'OOb" or not (step
S28 ) .
Therefore, if the second disk type information 88 is
'OOb" (step S28; YES), it is supposed that the normal DVD-
ROM is currently loaded in the information
recording/reproducing apparatus S and the reproducing
processing is continued. In the next place, it is
confirmed whether the operation to stop the reproducing
operation is executed or not by the operating unit 133
(step S29).
If the stop operation is not executed (step S29; NO),
2o the processing is returned to the step S27 so as to
continue the reproducing processing as well as the value of
the second disk type information 88 in respective DSI data
51, which are sequentially obtained in accordance with the
continuation of reproduction, is confirmed. On one hand,
if the stop operation is executed (step 529; YES), the
reproducing processing is stopped at that point (step S30)
to complete a series of the reproducing processing.
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CA 02528911 2001-10-09
On the other hand, if the second disk type information
88 is not "OOb" in the determination of the step S28 (step
S28 ; NO ) , the type of the optical disk to be indicated by
the first disk type information 145 and the type of the
optical disk to be indicated by the second disk type
information 88 are different each other in the optical disk
which are currently loaded in the information
recording/reproducing apparatus S, so that it is highly
potential that this optical disk is formed by illegally
io copying the record information and the reproducing
processing for this optical disk is immediately stopped
(step S31). Simultaneously, this optical disk is elected
to the outside of the information recording/reproducing
apparatus S (step S32). Thus, the reproducing processing
is is completed.
Further, if the content of the detected first disk
type information 145 is not "OOOOb° in the determination of
the step S26 (step S26; NO), then, it is confirmed whether
its value is "OOlOb" to indicate the DVD-R 1R or not (step
2o S33 ) .
If the content of the first disk type information 145
is "OOlOb" (step S33; YES), then, the reproduction of the
record information which is recorded in the DVD-R IR
(detection from the optical disk) is started (step S34).
25 Further, it is determined whether the above described
second disk type information 88 is "lOb" or not (step S35).
Therefore, if the second disk type information 88 is
CA 02528911 2001-10-09
"lOb" (step 535; YES), it is supposed that the normal DVD-R
1R is currently loaded in the information
recording/reproducing apparatus S and the reproducing
processing is continued. In the next place, it is
confirmed whether the operation to stop the reproducing
processing is executed or not by the operating unit 133
(step S36).
If the stop operation is not performed (step S36; NO),
the processing is returned to the step S34 so as to
1o continue the reproducing processing as well as the value of
the second disk type information 88 in respective DSI data
51, which are sequentially obtained in accordance with the
continuation of reproduction, is confirmed. On one hand,
the stop operation is executed (step S36; YES), the
reproducing processing is stopped at that point (step S30)
to complete a series of the reproducing processing.
On the other hand, if the second disk type information
88 is not °lOb' in the determination of the step S35 (step
S28 ; NO ) , the type of the optical disk to be indicated by
2o the first disk type information 145 and the type of the
optical disk to be indicated by the second disk type
information 88 are different each other in the optical disk
which are currently loaded in the information
recording/reproducing apparatus S, so that it ~is highly
potential that this optical disk is formed by illegally
copying the record information and the reproducing
processing for this optical. disk is stopped (step S31).
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CA 02528911 2001-10-09
Simultaneously, this optical disk is immediately ejected to
the outside of the information recording/reproducing
apparatus S (step S32). Thus, the reproducing processing
is completed.
s On one hand, if the content of the detected first disk
type information 145 is "OOlOb° in the determination of the
step S33 (step S33; NO), then, it is confirmed Whether its
value is 'OOllb" to indicate the DVD-RW or not (step S37).
If the content of the first disk type information 145
io is "OOllb" (step S37; YES), then, the reproduction of the
record information which is recorded in the DVD-R 1R
(detection from the optical disk) is started (step S38).
Further, it is determined whether the above described
second disk type information 88 is "llb" or not (step S39).
15 Therefore, if the second disk type information 88 is
°llb" (step 539; YES), it is supposed that the normal DVD-
RW is currently loaded in the information
recording/reproducing apparatus S and the reproducing
processing is continued. In the next place, it is
zo confirmed whether the operation to stop the reproducing
processing is executed or not by the operating unit 133
(step S40).
If the stop operation is not executed (step S40; NO),
the processing is returned to the step S38 so as to
25 continue the reproducing processing as well as the value~of
the second disk type information 88 in respective DSI data
51, which are sequentially obtained in accordance with the
72
CA 02528911 2001-10-09
continuation of reproduction, is confirmed. On one hand,
the stop operation is executed (step S40; YES), the
reproducing processing is stopped at that point (step S30)
to complete a series of the reproducing processing.
On the other hand, if the second disk type information
88 is not "llb" in the determination of the step S39 (step
S39; NO), the type of the optical disk to be indicated by
the first disk type information 145 and the type of the
optical disk to be indicated by the second disk type
1o information 88 are different each other in the optical disk
which are currently loaded in the information
recording/reproducing apparatus S, so that it is highly
potential that this optical disk is formed by illegally
copying the record information and the reproducing
processing for this optical disk is immediately stopped
(step S31). Simultaneously, this optical disk is ejected
to the outside of the information recording/reproducing
apparatus S (step S32). Thus, the reproducing processing
is completed.
2o At the last, if the content of the detected first disk
type information 145 is neither "OOllb" in the
determination in the step S37 (step S37; NO), it is
supposed that the optical disk, which is currently loaded
in the information recording/reproducing apparatus S, is an
optical disk of a type that can not be reproduced in the
information recording/reproducing apparatus S (for example,
the DVD-RAM) and the reproducing processing for this
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CA 02528911 2001-10-09
optical disk is immediately stopped (step S31).
Simultaneously, this optical disk is ejected to the outside
of the information recording reproducing apparatus S ( step
S32) to complete the reproducing processing.
s As described above, according to the recording
processing and the reproducing processing in the
information recording/reproducing processing of the
embodiments, the second disk type information 9 and 88
having the same contents as that of the first disk type
1o information 145, which is recorded in advance, are recorded
in the DVD-R 1R or DVD-RW, in which the first dick type
information 145 is recorded. After that, the recording
information is recorded in the DVD-R 1R or DVD-RW.
Further, when recording information is reproduced, the
i5 record information is reproduced only when the first disk
type ~.nformation 145 and the second disk type information 9
and 88 are equally related, so that it is possible to
prohibit the illegal recording processing such that the
second disk type information 9 or 88, which is different
2o from the first disk type information 145, is recorded or to
prohibit the reproduction of the record information, which
is recorded by the illegal recording processing such that
the second disk type information 9 or 88 is not recorded.
Alternatively, since the second disk type information
25 9 is recorded in the VMGI 4 and further, the second disk
type information 88 is recorded in the DSI data 51, even if
either one of the second disk type information 9 or 88 is
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CA 02528911 2001-10-09
interpolated, it is possible to certainly prohibit the
reproduction of the recording information, which is
recorded by the above described illegal recording
processing, by using other one of the second disk type
information 9 or 88.
(IV) Modified embodiment of the information
recording/reproducing apparatus
Next, a modified embodiment of the information
recording/reproducing apparatus will explained with
1o reference to FIGS. 11 to 14.
According to the above described embodiments, a case
such that the second disk type information 9 and 88 take
different values for every detailed type of a disk is
explained. However, in addition to this, a value to
classify two types of the optical disk such as the DVD-ROM
and the recordable DVD, for example, a value of the second
disk type information 9 or 88 corresponding to the DVD-ROM
may be set to be "OOb' and a value of the second disk type
information 9 or 88 corresponding to the recordable DVD
(namely, any one of the DVD-R, the DVD-RW or the DVD-RAM)
may be set to be "Olb°.
In this case, if the value of the first disk type
information 145 is °OOOOb" to indicate the DVD-ROM and the
value of the second disk type information 9 or 88 is "Olb"
to indicate the recordable DVD, it is preferable that the
reproduction of this optical disk is stopped and the this
optical disk is ejected to the outside since it is highly
CA 02528911 2001-10-09
potential that this optical disk is formed by illegally
copying the record information from the DVD-ROM to the
recordable DVD.
On one hand, if the value of the first disk type
information 145 is 'OOOOb" to indicate the DVD-ROM and the
value of the second disk type information 9 or 88 is also
"OOb" to indicate the DVD-ROM, or if the value of the first
disk type information 145 is any one of 'OOOlb", "OOlOb" or
"OOllb" to indicate the recordable DVD and the value of the
Zo second disk type information 9 or 88 is also 'Olb" to
indicate the recordable DVD, the record information
recorded in this optical disk is supposed to be normal and
the reproduction thereof is performed.
Next, the operation of the information
recording/reproducing apparatus according to the modified
embodiment will be explained in detail.
By using a DVD-R having a different structure from the
DVD-R 1R, which is used in the information
recording/reproducing apparatus S according to the above-
2o mentioned embodiment, the operation of the information
recording/reproducing apparatus according to the modified
embodiment will be explained below. Therefore, at first,
the structure of the DVD-R will be explained with reference
to FIG. II. FIG. 11 illustrates a plan external view and a
physical recording format of the DVD-R after recording the
record information is completed, according to the modified
embodiment.
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CA 02528911 2001-10-09
As shown in FIG. lI, a DVD-R 1R' according to the
modified embodiment is provided with a non-recording area
110, a beam strength test area 111, a managing data area
112, a lead-in area LIA, a file system information area FS,
a data area DA, a lead-out area LOA and a terminal area EA
as same as the DVD-R 1R according to the above described
embodiment. Further, the record information recorded in
the data area DA is structured in such a manner that a
plurality of sector information is continued as a unit of
1o information ST.
Then, one of sector information ST is comprised of:
identification information ID for identifying the present
sector information ST itself within the record information;
error correcting information IED for correcting the
detection error of the present identification information
ID upon reproducing the record information; characteristic
information CP for indicating a characteristic belonged to
the information, which is included in the present sector
information ST; main information MD as the information
2o included in the present sector information ST itself; and
error detecting information EDC for detecting the detection
error of entirety of the sector information ST upon
reproducing the recording information in sequence from a
head address thereof.
In this case, in the structure of the characteristic
information CP, when the DVD-R 1R' comprises a DVD-R 1R' to
be generally circulated (hereinafter, the DVD-R 1R' is
CA 02528911 2001-10-09
merely referred to as a G (General) type DVD-R) , as shown
in the symbol (a) of FIG. 11, according to its address
structure, the above described characteristic information
CP is comprised in such a manner that, data type
information ADP, which indicates whether the record
information recorded in the G type DVD-R 1R' comprises the
video information mainly composed of the image information
or not, exists between two preparatory information R
without any significant information (hereinafter, a
to structure of the characteristic information CP shown in the
symbol (a) of FIG. I1 is referred to as a second format).
On the contrary, if for example the DVD-R 1R'
comprises a DVD-R IR' (hereinafter, the DVD-R IR' is merely
referred to as an A (Authoring) type DVD-R) to be used only
1s by a producer of the record information for the user of a
test or the like, as shown in symbol (b) of FIG. 11,
according its address structure, the present characteristic
information CP includes the copy right information CCI
( namely, the copy right information to indicate the number
20 of tames that the record information recorded in the A type
DVD-R 1R' is capable of being copied and the reproduction
limitation state or the like of the record information
recorded in the A type DVD-R 1R') at its head. Further,
the interior of the characteristic information CP other
25 than the copy right information CCI is defined as the
preparatory information R, which does not include any
significant information (hereinafter, a structure of the
7s
CA 02528911 2001-10-09
characteristic information CP shown in symbol (b) of FIG.
11 is referred to as a first format).
Alternatively, with respect to the above described
characteristic information CP, other than the above
described G type DVD-R 1R', the structure of the
characteristic information CP within the record information
recorded in the DVD-RW and the DVD-RAM is defined as the
above described second fozmat_ On the other hand, the
structure of the characteristic information CP in the
l0 record information recorded in the DVD-ROM other than the
above described A type DVD-R is defined as the above
described first format. Alternatively, specifically, a
content of the above described data type information ADP is
defined as "Olb° when the record information recorded in
the DVD, in which the data type information ADP is
recorded, is the video information. On the other hand, if
this record information is not the video information (for
example, this record information comprises only the audio
information such as the music information), a content of
the above described data type information ADP is defined as
"OOb°.
In the next place, by using the DVD-R 1R' having the
above described structure, the operation of an information
recording reproducing apparatus according to the modified
embodiment will be explained.
(i) A modified embodiment for recording processing
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CA 02528911 2001-10-09
In the next place, the recording processing of the
record information in the information recording/reproducing
apparatus according to the modified embodiment will be
specifically explained with reference to FIG. 12.
s Alternatively, the recording processing to be explained
below comprises normal (not illegal) recording processing
to be executed as a DVD capable of recording the
information (namely, any DVD capable of recording the
information including the above described DVD-R 1R' and the
1o DVD-RAM) is loaded in the information recording/reproducing
apparatus according to the modified embodiment.
Alternatively, FIG. I2 is a flow chart for illustrating
the recording processing. With respect to the same
operation as the recording processing in the information
15 recording/reproducing apparatus S according to the above
described embodiment with reference to FIG. 8, the
identical step numerals are given and the detailed
explanations thereof are omitted.
As shown in FIG. 12, in the recording processing
2o according to the modified embodiment, if the above
described DVD-R 1R' or the like is loaded and the
instruction to start the recording processing is executed
by an operating unit 133, at first, the first disk type
information I45 which has been already recorded in the
25 present loaded DVD-R 1R' or the like is detected as same as
the above described embodiment (step S1).
so
CA 02528911 2001-10-09
In the next place, a content of the detected first
d~.sk type information 145 is confirmed (step S50) . Then,
if its value is 'OOllb" to indicate that the loaded DVD is
a DVD-RW or its value is "OOOIb" to indicate that the
loaded DVD is a DVD-RAM (step S50; YES), the second disk
type information 9 (the second disk type information
included in the VMGI 4) and the second disk type class
information 88 (the second disk type information included
in the DSI data 51) are set as "Olb", respectively, in a
1o navigation information generator 126 (step S54). Further,
a content of the characteristic information CP is set as
the above described second format as well as the data type
information ADP is set as °Olb" in the navigation
information generator 126 (step S55) and the recording of
the record information is started in the same way as the
above described embodiment (step S4).
On one hand, under the determination in the above
described step 550, if a content of the first disk type
information 145 is not 'OOllb" nor "OOOlb" (step S50; NO),
2o then, it is confirmed whether a content of the first disk
type information 145 is "OOlOb° to indicate the loaded DVD
is a DVD-R 1R' or not (step S2). If the content is °OOlOb"
(step S2; YES), then, it is confirmed whether this DVD-R
1R' is the above described A type DVD-R or not (step S51).
If it is not the A type DVD-R (step 551; NO), the
processing is shifted to the above described step S54- and
S55 as it is.
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CA 02528911 2001-10-09
On the other hand, under the determination in the step
S51, if the loaded DVD-R 1R' is the A type DVD-R (step S51;
YES), the second disk type information 9 and 88 are set as
°OOb", respectively, in the navigation information
generator 126 (step S52). Further, a content of the
characteristic information CP is set as the above described
first format in the navigation information generator 126
(step S53) and the recording of the record information is
started (step S4).
1o In step S52 shown in FIG. 12, the second disk type
information 9 and 88 are set as °OOb", which originally
indicates the DVD-ROM, even though the DVD loaded in the
information recording/reproducing apparatus of the modified
embodiment is the A type DVD-R. That is because this A
type DVD-R is not sold to a consumer but used only for a
test -upon producing the DVD-ROM, so that it is supposed
that it is enough that A type DVD-R functions only as the
DVD-ROM in terms of the DVD for the test.
Then, it is confirmed whether the operation to stop
2o the recording processing is performed in the operating unit
133 or not (step S5). If it is not performed (step S5;
NO), the processing returns to the step S4 to continue the
recording processing. On one hand, if the stop operation
is performed (step S5: YES), the recording processing is
stopped (step S6) at this point and a series of recording
processing is terminated.
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CA 02528911 2001-10-09
On the other hand, under the determination of the step
S2, if a content of the detected first disk type
information 145 is not "OOlOb' ( step S2; NO) , it turns out
that a content of the first disk type information 145 is
not any one of "OOOlb°, °OOlOb" and "OOllb". In this case,
since a DVD which is loaded at present is the DVD-ROM
(namely, a DVD to indicate that a content of the first disk
type information 145 is "OOOOb"), the recording processing
is immediately stopped.
1o Alternatively, in the above described illegal
recording processing, the processing in the steps S52 and
S54 shown in FIG. 12 are not performed. As a result, in an
optical disk, in which the present illegal recording
processing is performed, as same as the above described
embodiment, a content of the first disk type information
145 is different from a content of the second disk type
information 9 and 88 or the second disk type information 9
and 88 are not recorded at all.
(ii) An embodiment of the reproducing processing
2o In the next place, the reproducing processing
according to the modified embodiment to reproduce the
recording information in a DVD-R 1R' or DVD-RW, in which
the present record information is recorded by the recording
processing shown in FIG. 12, will be specifically explained
with reference to FIG. 13 and FIG. 14.
(A) A modified embodiment of the loading processing
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CA 02528911 2001-10-09
At first, upon reproducing the recording information,
the processing in the case that the DVD-R 1R' or DVD-RW is
loaded in the information recording reproducing apparatus
according to the modified embodiment will be explained with
reference to FIG. 13 below.
Alternatively, FIG. 13 is a flow chart for
illustrating the present loading processing. With respect
to the same operation as the loading processing in the
information recording/reproducing apparatus S according to
io the above described embodiment with reference to FIG. 9,
the identical step numerals are given and the detailed
explanations thereof are omitted.
As shown in FIG. 13, in the loading processing
according to the modified embodiment, at first, the
processing from the loading processing (step S10) among the
loading processing according to the embodiment, which was
explained with reference to FIG. 9, to the confirming
processing of a content in the first disk type information
145 (step S16) are performed.
2o In the next place, under the determination of the step
S16, if a content of the first disk type information 145 is
"OOOOb" (step S16; YES), the present loaded DVD is the DVD-
ROM. Then, the above described characteristic information
CP is extracted from the sector information ST in the
recording information recorded in the DVD-ROM and it is
confirmed whether a content of the above described data
84
CA 02528911 2001-10-09
type information ADP, which is included in the
characteristic information CP, is "Olb° or not (step S60).
Further, if a content of the confirmed data type
information ADP is "Olb" (step S60; YES), since the data
type information ADP is originally not defined by the DVD
ROM and the A type DVD-R (refer to FIG. 11), it is
originally impossible that a content of the first disk type
information 145, which is confirmed in the step S16, is
"OOOOb° and its data type information ADP is "Olb".
1o Therefore, in this case, it is assumed that an optical
disk, in which any illegal processing is performed, is
probably loaded at present, so that this optical disk is
immediately ejected from the information
recording/reproducing apparatus (step S22) and the
reproducing processing including the loading processing is
terminated.
On one hand, under the determination of the step S60,
if a content of the confirmed data type information ADP is
not "Olb" (step 560; NO), in this case, it is assumed that
2o a normal DVD-ROM is loaded at present, and then, it is
determined that the above described second disk type
information 9 in the VMGI 4 is "OOb° or not (step S17).
Therefore, if the second disk type information 9 is
"OOb° (step S17; YES), it is assumed that the normal DVD
ROM is loaded in the information recording/reproducing
apparatus S at present, so that the loading processing is
terminated to shift to the next reproducing processing.
CA 02528911 2001-10-09
On one hand, under the determination of the step 517,
if the second disk type information 9 is not "OOb" (step
S17; NO), it is assumed that a class of the optical disk
which is indicated by the first disk type information 145
is different from a type of the optical disk which is
indicated by the second disk type information 9 in the
present loaded optical disk and this optical disk is highly
possibly formed by illegally copying the record information
therein, so that this optical disk is immediately ejected
1o from the information recording/reproducing apparatus (step
S22) to terminate the reproducing processing including the
loading processing.
On the other hand, under the determination of the step
SI6, if a content of the detected first disk type
1s information 145 is not "OOOOb"(step 516; NO), then, it is
confirmed whether its value is "OOllb" to indicate a DVD-RW
or "OOOlb" to indicate a DVD-RAM or not (step S61).
In the next place, under the determination of the step
561, if a content of the first disk type information 145 is
2o not "OOOlb" or "OOllb" (step S61; NO), then, it is
confirmed whether its value is "OOlOb" to indicate a DVD-R
1R' or not (step S62).
Further, if a content of the first disk type
information 145 is "OOlOb" (step 562; YES), then, it is
2s confirmed whether the present loaded DVD-R 1R' is a G type
DVD-R or not (step S63).
86
CA 02528911 2001-10-09
Alternatively, if a content of the first disk type
information 145 is neither "OOlOb" (step S62; NO), the
present loaded DVD is a DVD, which is not belonged to any
normal type, so that, in this case, it is assumed that the
present optical disk is an unauthentic optical disk and
this optical disk is immediately ejected from the
information recording/reproducing apparatus (step S22) to
terminate the reproducing processing including the loading
processing.
to In the next place, under the determination of the step
563, if the present loaded DVD-R 1R' is not the G type DVD-
R (step 563, NO), further, it is confirmed whether the
present DVD-R 1R' is the A type DVD-R or not (step S64).
Further, if the present loaded DVD-R 1R' is neither
the A type DVD-R (step S64; NO), the present loaded DVD-
R1R' is neither the G type DVD-R nor the A type DVD-R
despite that the present loaded DVD-R 1R~' is determined to
be a DVD-R 1R'. Therefore, in this case, assuming that the
present optical disk is highly possibly formed by illegally
2o copying the record information therein, this optical disk
is immediately ejected from the information
recording/reproducing apparatus (step S22) to terminate the
reproducing processing including the loading processing.
On one hand, if the present loaded DVD is the A type
DVD-R under the determination of the step S64 (step S64;
YES), then, it is confirmed whether the encryption
processing is provided to the record information recorded
s7
CA 02528911 2001-10-09
in the present loaded A type DVD-R or not ( step S65 ) . If
it is encrypted (step 565; YES), assuming that its record
information is protected by the copyright and this record
information should not be reproduced, the present loaded
DVD-R IR' is immediately ejected from the information
recording/reproducing apparatus (step S22) to terminate the
reproducing processing including the loading processing.
On the other hand, if it is not encrypted (step S65; NO) ,
then, the above described characteristic information CP is
1o extracted from the sector information ST in the record
information recorded in the present loaded A type DVD-R and
it is confirmed whether a content of the above described
data type information ADP included in the characteristic
information CP is 'Olb" or not (step S66).
Further, if the content of the confirmed data type
information ADP is 'Olb" (step 566; YES), as described
above, since the data type information ADP is not defined
by the DVD-ROM and the A type DVD-R (refer to FIG. 11), it
is not originally impossible that the content confirmed in
2o the step S64 is the A type DVD-R as well as its data type
information ADP is 'Olb°. Therefore, in this case,
assuming that the present loaded DVD-R is probably an
optical disk provided with any illegal processing, this
optical disk is immediately ejected from the information
recording/reproducing apparatus (step S22) to terminate the
reproducing processing including the loading processing.
ss
CA 02528911 2001-10-09
On one hand, under the determination of the step 566,
if the content of the confirmed data type information ADP
is not "Olb" (step 566; NO), assuming that the normal A
type DVD-R is loaded at present in this case, then, it is
determined whether the second disk type information 9 in
the VMGI 4 is "OOb" or not (step S17).
Therefore, if the second disk type information 9 is
not "OOb" ( step S17; NO) , it is assumed that the normal A
type DVD-R is loaded in the information
to recording/reproducing apparatus at present to shift to the
next reproducing processing.
On one hand, under the determination of the step S17,
if the second disk type information 9 is ' OOb" ( step S17 ;
YES), in the present loaded optical disk,- a type of the
DVD, which is indicated by the first disk type information
145, is different from the type of the DVD, which is
indicated by the second disk type information 9, so that
this DVD is highly possibly an optical disk formed by
illegally copying the record information therein. Then,
2o this optical disk is immediately e,~ected from the
information recording/reproducing apparatus (step S22) and
the reproducing processing including the loading processing
is terminated.
In step S17 shown in FIG. 13, the same determination
as that of step S7 in FIG. 9 is performed, even though the
DVD, which is loaded in the' information
recording/reproducing apparatus of the modified embodiment
89
CA 02528911 2001-10-09
and is the object of the determination, is the A type DVD-
R. That is because this A type DYD-R is not sold to a
consumer but used only for a test upon producing the DVD-
ROM, so that it is supposed that it is enough that A type
DVD-R functions only as the DVD-ROM in terms of the DVD for
the test.
On the other hand, under the determination of the
above described step S61, if a content of the first disk
type information 145 is any of "OOOlb" or "OOllb" (step
1o S61; YES) or under the determination of the above described
563, if the present loaded DVD-R 1R' is confirmed to be the
G type DVD-R (step 563; YES), then, it is confirmed whether
the encryption processing is provided to the record
information recorded in respective DVD_or not (step S67).
Further, if it is encrypted ( step S67 ; YES ) , assuming that
its record information is protected by the copyright and
this record information should not be reproduced, this
optical disk is immediately ejected from the information
recording/reproducing apparatus (step S22) to terminate the
2o reproducing processing including the loading processing.
On one hand, if it is not encrypted (step S67; NO), then,
the above described characteristic information CP is
extracted from the sector information ST in the record
information recorded in the present loaded DVD and it is
confirmed whether a content of the above described data
type information ADP is "Olb" or not (step S68).
CA 02528911 2001-10-09
Then, if the content of the confirmed data type
information ADP is not "Olb" (step S68; NO), as described
above, since the data type information ADP is defined only
in the case that the video information is recorded in the
s DVD-RW, the DVD-RAM or the G type DVD-R (refer to FIG. 11),
the content which is confirmed in the step S61 or the step
S63 is not identical with the content which is confirmed in
the step S68. Therefore, in this case, assuming that the
present loaded optical disk is probably an optical disk
to provided with any illegal processing, this optical disk is
immediately ejected from the information recording
reproducing apparatus (step S22) to terminate the
reproducing processing including the loading processing.
On one hand, if the content of the confirmed data type
15 information ADP is "Olb" (step S68; YES), it is perceived
that the content, which is confirmed in the step S61 or the
step S63, is appropriate as the normal DVD-RW, DVD-RAM or
DVD-R, so that, in the next place, it is determined whether
the above described second disk type information 9 is °Olb"
20 or not (step S69).
Therefore, if the second disk type information 9 is
°Olb" (step 569; YES), it is assumed that any one of the G
type DVD-R, the DVD-RW or the DVD-RAM which are capable of
reproducing the record information normally is loaded in
25 the information recording/reproducing apparatus at present
to shift to the next reproducing processing.
91
CA 02528911 2001-10-09
On the other hand, under the determination of the step
S69, if the second disk type information 9 is not "Olb"
(step S69; NO), in the present loaded optical disk, a type
of the optical disk, Which is indicated by the first disk
type information 145, is different from the type of the
optical disk, which is indicated by the second disk type
information 9, so that this optical disk is highly possibly
a DVD formed by illegally copying the record information
therein. Then, this optical disk is immediately ejected
1o from the information recording/reproducing apparatus (step
S22) and the reproducing processing including the loading
processing is terminated.
(B) A modified embodiment of the reproducing processing
At last, the reproducing processing according to the
modified embodiment to be performed in succession to the
above described loading processing will be explained with
reference to FIG. 14.
Alternatively, FIG. 14 is a flow chart for
illustrating the present reproducing processing. With
2o respect to the same operation as the reproducing processing
in the information recording/reproducing apparatus S
according to the above described embodiment With reference
to FIG. 10, the identical step numerals are given and the
detailed explanations thereof are omitted.
As shown in FIG. 14, in the reproducing processing
according to the modified embodiment, at first, the
processing from the initial confirming processing (step
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CA 02528911 2001-10-09
S25) among the reproducing processing according to the
embodiment, which was explained with reference to FIG. 10,
to the reproduction starting processing (step S27) are
performed.
Then, if the reproduction is started, the above
described characteristic information CP is extracted from
the sector information ST in the record information
recorded in the DVD-ROM, which is confirmed in the step
S26, and it is confirmed whether a content of the above
to described data type information ADP, which is included
therein, is "Olb" or not (step S75).
Further, if the content of the confirmed data type
information ADP is "Olb° (step S75; YES), as described
above, the data type information ADP is not defined in the
DVD-ROM and the A type DVD-R (refer to FIG. 11), so that it
is originally impossible that a content of the first disk
type information 145 confirmed in the step S26 is "OOOOb"
and its data type information ADP is "Olb". Therefore, in
this case, assuming that there is a possibility that the
optical disk provided with any illegal processing is loaded
at present, the reproducing processing of this optical disk
is immediately stopped ( step S31 ) as well as this optical
disk is ejected from the information recording/reproducing
apparatus S (step S32) to terminate the reproducing
processing including the loading processing.
On one hand, under the determination of the step 575,
if the content of the confirmed data type information ADP
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is not "Olb" (step 575; NO), assuming that the normal DVD-
ROM is loaded at present in this case, then, it is
determined whether the above described second disk type
information 88 in the DSI data 51 is "OOb° or not (step
S28).
Therefore, if the second disk type information 88 is
"OOb' (step 528; YES), the reproducing processing is
continued as assuming that the normal DVD-ROM is loaded in
the information recording/reproducing apparatus, then, it
1o is confirmed whether the operation to stop the reproducing
processing is performed in the operating unit 133 or not
(step S29).
Further, if the stop operation is not performed (step
S29; NO), the processing is returned to the step S27 to
continue the reproducing processing as well as a value of
the second disk type information 88 in respective DSI data
51, which are sequentially obtained in accordance with the
continuation of the reproduction, is confirmed. On one
hand, if the stop operation is performed (step S29; YES),
2o the reproducing processing is stopped as it is (step S30)
and a series of the reproducing processing is terminated.
On the other hand, under the determination of the step
S28, if the second disk type information 88 is not "OOb"
(step 528; NO), in the present loaded optical disk, the
type of the optical disk, which is indicated by the first
disk type information 145, is different from the type of
the optical disk, which is indicated by the second disk
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CA 02528911 2001-10-09
type information 88, so that it is assumed that this DVD is
highly possibly an optical disk formed by illegally copying
the record information therein and the reproducing
processing of this optical disk is immediately stopped
(step S31) as well as this optical disk is ejected from the
information recording/reproducing apparatus S (step S32) to
terminate the reproducing processing.
On one hand, under the determination of the step S26,
if the content of the detected first disk type information
l0 145 is not "OOOOb" (step S26; NO), then, it is confirmed
whether its value is "OOllb" to indicate the DVD-RW or
"OOOlb" to indicate the DVD-RAM or not (step S76).
Further, under the determination of the step 576, if a
content of the first disk type information 145 is not
"OOOlb" or "OOllb" (step S76; NO), then, it is confirmed
whether its value is "OOlOb" to indicate the DVD-R1R' or
not (step S77).
Then, if a content of the first disk type information
145 is "OOllb" (step S76; YES), then, it is confirmed
2o whether the present loaded DVD-R 1R' is the G type DVD-R or
not (step S78).
Alternatively, if a content of the first disk type
information 145 is neither "OOlOb"(step 577; NO), it is
perceived that the present loaded DVD is a DVD which is not
zs belonged to any one of the normal types. Therefore, in
this case, assuming that the present optical disk is an
unauthentic optical disk, the reproducing processing of
CA 02528911 2001-10-09
this optical disk is immediately stopped (step S31) as well
as this optical disk is ejected from the information
recording/reproducing apparatus S (step S32) to terminate
the reproducing processing.
In the next place, under the determination of the step
S78, if the present loaded DVD-R 1R' is not the G type DVD-
R (step 578; NO), further, it is confirmed whether the
present DVD-R 1R' is the A type DVD-R or not (step S79).
Then, if the present loaded DVD-R 1R' is neither the A
1o type DVD-R (step S79; NO), it is perceived that the present
loaded DVD is neither the G type DVD-R nor the A type DVD-R
despite that the present loaded DVD is determined to be the
DVD-R 1R' according to the first disk type information 145.
Therefore, in this case, assuming that the present optical
disk is highly possibly an optical disk formed by illegally
copying the record information, the reproducing-processing
to this optical disk is immediately stopped (step S31) as
well as this optical disk is ejected from the information
recording reproducing apparatus S (step S32) to terminate
2o the reproducing processing.
On one hand, under the determination of the step 579,
if the present loaded DVD is the A type DVD-R (step S79;
YES), then, the reproduction of the record information
recorded in the present loaded DVD (detection from the A
type DVD-R) is started (step S34), further, it is confirmed
whether the record information recorded in the present A
type DVD-R is provided with the encrypting processing or
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CA 02528911 2001-10-09
not (step S80). Further, if it is encrypted (step 580;
YES), assuming that this record information is protected
by the copyright and this record information should not be
reproduced, the reproducing processing to this DVD-R 1R' is
immediately stopped (step S31) as well as this DVD-R 1R' is
ejected from the information recording/reproducing
apparatus (step S32) to terminate the reproducing
processing. On the other hand, if it is not encrypted
(step S80; NO), then, the above described characteristic
to information CP is extracted from the sector information ST
in the record information recorded in the present loaded A
type DVD-R and it is confirmed whether a content of the
above described data type information ADP included in the
characteristic information CP is "Olb" or not (step S81).
Then, if the content of the confirmed data type
information ADP is "Olb" (step S81; YES), as described
above, since the data type information ADP is not defined
by the DVD-ROM and the A type DVD-R (refer to FIG. 11), it
is originally impossible that the content confirmed in the
2o step S79 is the A type DVD-R as well as its data type
information ADP is "Olb". Therefore, in this case,
assuming that the present loaded DVD-R is probably an
optical disk provided with any illegal processing, the
reproducing processing to this optical disk is immediately
stopped (step S31) as well as this optical disk is ejected
from the information recording/reproducing apparatus S
(step S32) to terminate the reproducing processing.
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On one hand, under the determination of the step 581,
if the content of the confirmed data type information ADP
is not 'Olb' (step 581; NO), assuming that the normal A
type DVD-R is loaded at present in this case, then, it is
determined Whether the second disk type information 88 in
the DSI data 51 is °OOb' or not (step S82).
Therefore, if the second disk type information 88 is
not "OOb' (step S82; NO) , it is assumed that the normal A
type DVD-R is loaded in the information
io recording/reproducing apparatus at present to continue the
reproducing processing. Then, it is confirmed whether the
operation to stop the reproducing processing is performed
in the operating unit I33 or not (step S36).
Further, if the stop operation is not performed is not
performed (step 536; NO), the processing is returned to the
step S34 to continue the reproducing processing as well as
a value of the second disk type information 88 in
respective DSI data 51, which are sequentially obtained in
accordance with the continuation of the reproduction, is
2o confirmed. On one hand, if the stop operation is performed
(step S36; YES), the reproducing processing is stopped as
it is (step S30) and a series of the reproducing processing
is terminated.
On the other hand, under the determination of the step
S82, if the second disk type information 88 is "OOb' (step
S82; YES), in the present loaded optical disk, the class of
the optical disk, which is indicated by the first disk type
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information 145, is different from the type of the optical
disk, which is indicated by the second disk type
information 88, so that it is assumed that this optical
disk is highly possibly an optical disk formed by illegally
copying the record information therein and the reproducing
processing of this optical disk is immediately stopped
(step S31) as well as this optical disk is ejected from the
information recording reproducing apparatus S (step S32) to
terminate the reproducing processing.
to Tn step S82 shown in FIG. 14, the same determination
as that of step S7 in FiG. 9 is performed, even though the
DVD, which is loaded in the information
recording/reproducing apparatus of the modified embodiment
and is the object of the determination, is the A type DVD-
R. That is because this A type DVD-R is not sold to a
consumer but used only for a test upon producing the DVD-
ROM, so that it is supposed that it is enough that A type
DVD-R functions only as the DVD-ROM in terms of the DVD for
the test.
2o On one hand, under the determination of the above
described step 576, if a content of the first disk type
information 145 is any one of "OOOlb" or "OOllb- (step S76,
YES) or under the determination of the above described step
S78, the present loaded DVD-R 1R' is the G type DVD-R (step
578; YES), then, the reproduction of the recording
information recorded in the present loaded DVD (detection
from the DVD) is started (step S34), further, it is
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CA 02528911 2001-10-09
confirmed whether the record information recorded in
respective DVD are provided with the encrypting processing
or not (step S83). -Further, if it is encrypted (step 583;
YES), assuming that this record information is protected by
the copyright and this record information should not be
reproduced, the reproducing processing to this DVD is
immediately stopped (step S31) as well as this DVD is
ejected from the information recording/reproducing
apparatus (step S32) to terminate the reproducing
io processing. On the other hand, if it is not encrypted
(step 583; NO), then, the above described characteristic
information CP is extracted from the sector information ST
in the record information recorded in the present loaded
DVD and it is confirmed whether a content of the above
described data type information ADP included in the
characteristic information CP is 'Olb" or not (step S84).
Then, if the content of the confirmed data type
information ADP is not "Olb" {step S84; NO), as described
above, since the data type information ADP is defined only
2o in the DVD-RW, the DVD-RAM or the G type DVD-R (refer to
FIG. 11), the content which is confirmed in the step S76 or
the step S78 is not identical with the content which is
confirmed in the step S84. Therefore, in this case,
assuming that the present loaded optical disk is probably
an optical disk provided with any illegal processing, the
reproducing processing to this DVD is immediately stopped
(step S31) as well as this DVD is immediately ejected from
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CA 02528911 2001-10-09
the information recording/reproducing apparatus (step S32)
to terminate the reproducing processing including the
loading processing.
On one hand, if the content of the confirmed data type
information ADP is 'Olb" (step S84; YES), it is perceived
that the content, which is confirmed in the step S76 or the
step S78, is appropriate as the normal DVD-RW, DVD-RAM or
DVD-R, so that, in the next place, it is determined whether
the above described second disk type information 88 is
to 'Olb' or not (step S85).
Therefore, if the second disk type information 88 is
"Olb' (step 585; YES), it is assumed that any one of the G
type DVD-R, the DVD-RW or the DVD-RAM which are capable of
reproducing the record information normally is loaded in
the information recording/reproducing apparatus at present
to continue the reproducing processing. Then, it is
confirmed whether the operation to stop the reproducing
processing is performed in the operating unit 133 or not
(step S40).
2o Further, if the stop operation is not performed is not
performed (step S40; NO), the processing is returned to the
step S38 to continue the reproducing processing as well as
a value of the second disk type information 88 in
respective DSI data 51, which are sequentially obtained in
accordance with the continuation of the reproduction, is
confirmed. On one hand, if the stop operation is performed
(step S40; YES), the reproducing processing is stopped as
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CA 02528911 2001-10-09
it is (step S30) and a series of the reproducing processing
is terminated.
On the other hand, under the determination of the step
S85, if the second disk type information 88 is not "Olb°
(step S85; NO), in the present loaded optical disk, the
type of the optical disk, which is indicated by the first
disk type information 145, is different from the type of
the optical disk, which is indicated by the second disk
type information 88, so that it is assumed that this DVD is
to highly possibly a DVD formed by illegally copying the
record information therein and the reproducing processing
of this DVD is immediately stopped (step S31) as well as
this optical disk is ejected from the information recording
reproducing apparatus (step S32) to terminate the
reproducing processing.
As described above, even in the case of performing the
operation of the information recording/reproducing
apparatus according to the modified embodiment, it is
possible to obtain the same effect as that of the
2o information recording/reproducing apparatus S according to
the above described embodiment.
Alternatively, the above described embodiment and the
modified embodiment are explained on the assumption that
the first disk type information 145 and the second disk
type information 9 and 88 have the same content each other.
However, in addition to this, it is possible to constitute
the embodiment and the modified embodiment in such a manner
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that the first disk type information 145 and the second
disk type information 9 and 88 are set so as to have a
predetermined corresponding relation, which is capable of
being recognized only by the normal information
recording/reproducing apparatus to record the recording
information.
Alternatively, the above described.embodiment and the
modified embodiment are explained on the assumption that
the second disk type information 9 is recorded in the VMGI
to 4 and the second disk type information 88 is recorded in
the DSI data 51, respectively. However, in order to
further make the interpolation difficult, for example, it
is possible to constitute the embodiment and the modified
embodiment in such a manner that the present second disk
type information are recorded in a portion of the copy
protection information, Which is set in advance.
Further, although the interpolation becomes rather
easy, it is also possible to constitute the embodiment and
the modified embodiment in such a manner that any one of
ao the second disk type information 9 and 88 is recorded and
the class of the optical disk which is indicated by the
present one of the second disk type information 9 and 88 is
compared to the type of the optical disk which is indicated
by the first type information 145 so as to control the
reproducing processing.
Furthermore, according to the above described
embodiment, if the type of the optical disk which is
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indicated by the first disk type information 145 is
different from the type of the optical disk which is
indicated by the second disk type information 9 in the VMGi
4 upon the loading processing, this optical disk is ejected
to the outside. However, the embodiment may be constituted
so as to perform this determination upon the reproducing
processing.
Alternatively, it is matter of course that a display
panel of the information recording/reproducing apparatus
1o and an externally connected display or the like may display
the warning in spite of ejecting the optical disk in which
the recording information is illegally copied to the
outside.
Furthermore, the invention may be applied to the
illegal copy protection processing for the CD capable of
recording the information or the like in addition to the
above described DVD capable of recording the information.
Furthermore, recording a program corresponding to a
flow chart shown in FIGS . 8 to 10 and FIGs . 12 to 14 in a
2o flexible disk or a hard disk or the like as an information
recording medium and reading out it by using a personal
computer or the like to be executed, it is also possible to
operate the personal computer or the like as the above
described system controller 125.
Accordingly, by effectively prohibiting the
reproduction of the recording information, which is
provided with the above illegal recording processing by the
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information processing apparatus or the like, the recording
medium in which the private recording information is
recorded and the recording medium in which the recording
information is illegally copied are differentiated and the
reproduction of the recording information, which is
recorded in the recording medium in which the recording
information is illegally copied, is prevented, so that it
is possible to effectively protect a copy right.
los
