Note: Descriptions are shown in the official language in which they were submitted.
JLIN-24-1893 11:~!4 FROIl HlLL.. Sll~lPSON TO 1613Z3284413 P.1!3
20992~8
IU~ROuND OF THE I~Q~
ol ~- Inv-lnlon
~l~cted by v~nng Pul ~il~ d ~ o~r.
~_~on o~ ~- Pr or ~.n
r~tor, or r~, ~ am ~ ~n~n~lq ~nn~otoci to ~ i~rat~d drcui~ Hr.~ r,
~rnally connecting t~ r~or or cr~6W to ~e ntr~rated r;lrcuit roquir~s
o~rr~i-ing Incr~ass in ~ dim~nsi~ ol ~o h~arin~ aid, bolh for ~rr~in
c~dtor or r.~rystal, ~s wdl ~ hr hst~nino anci ~onnoctir~ ~ capEIcKor or ~I to
Int~od circui~
In ordor to r~dwo tho ~ l r~q~r~ for op~ clil~or,
c~pacitivdy ~n~ r omponcr~, such a~ ~padt~mr ~ dioda~, h~ i~n itnnor~d h
i~rat~d ci-r,~ ~or tuninia th~ ~r~ncy of 1ho owillator. H~r, an u~ volt~e
is r~quir~d br tunini~ thr~ ccp~oo ~od~. ~his ~ rol~oo mus~ ~ ~bire~d.
~l~rotore, cor~idr~r~bb ~clal ~qultcm~ a neo~ry h ~r to c~blik~
~ulo~ ~90.
In ono oonv~nai hwing ~Id h~ en In~tod d~cuit, ~ h~ ~r
and ~1 ~ p~ Iter form mor~Wly In~ratod lalers With r ~d~ ~dl cl i~y
nbctronh switeh~ ~# r11scussed, for s~mpb, in Gnnnan Pa~rn DE 33 4S g21 A1. lt~
~X fre~u~r~bs d ~ fiit~rs ue vari~i iby wyln~ req~ d ~n AC vo~, which
-
, :,. :
JU~1-24-1993 ll c:~l F~C~1 HILL. . .5111P~;0~`~ 10 lbl S '~44~ P.E14
2~9208
~e cbck fr~uoncy, ~ cor~d ~ o~ er~. Tt~ dock frequ~ncy Is
~d by ~n osc~ ator, who~ ~ is dvishh. The Irequency di~der~ pro~ ded
d'~a ~ u~ ~tored b~ a n~voloab m~ ~t ca~d ~ lirfit fi~ e hn~
In yet ~r ca~ntbn~ n htegr~bd dr~, a dl~ital
p
Pd~nt DE 38 3~ ~62 A1. Fu~r, G~n P~nt DE 32 05 686 C2 dii;cu#~ ~ hearin~
aTd 1~ ~ n-i~. How~r, bo~h rnicro~ and n~ r~uir~
un osdllator for ~ener~n~ ~ dock ~ign~.
SUMMARY or ~HE ImNTlON
n is an obp~ d tl~ pr~ent inv~n to ~ rir~ ald havino an
integt~t~d drc~t th~t include~ u~ o~dlilltw, whet th~ rK y ol ~ ~cllb~ot can be
d~ sd~cted.
1~ abovt~ t~t is invet~ly ad~od In ~ ring aid holudr~ ~n
it~gr~tt~cl drcui~ Tht~ ints~tated drcu~ k,cludn at b~t on ~r h~ir~ a capa~v~
r~nt ~req~lency. At h~t two c;apadliwq ~ctir~ cornponor~ ~r~ provided, and ar~ ~i~rat~i in tho int~rate~d circult a~ parti~i t~tc~, ~ ~hbh ti~ h~iucncy o~ ~e
o~tor a~n bo ~bcted. At b~t one o~ the p~l capac;~ i~ ~eb~ly Connecteci
~r by an int~r~t~i ~. r
In 4 i~rin~ aid cons~uctr~d h eccordance wffl the principb8 n~ ~e pr~sent
hlventbn, ~t bast two cap~d~vdy scbn~ x~ u0 hS~rstt~ in ~ Ir~rat~d
drcuK as partial capadlor8, wffl which 0te ~requency r~ ~ ~cllator can b~ b~. To
.. _ _ .... . .. ... . . .. .. .. . . . .. .... _ _ . _ .. _ _ . .. . _
JUN~ 1993 11:25 Fporl HILl ...SI~lPSO,~ TO 16132~28~40 p,0C
2~99208
tlb ond, ~ b~ a~o In~-at~d par~l ~r Is ~v~ oa~e to ~ o#~ tor
. Th~ ~rdg~d cw~ m,hT ~mpb, r,~ r.
~ing ~n~l. ~ b#t ~wo k~qu~ d ~ r~ciU~tffr e~n bo wbct-d by ~ d~
r~, or ~conn~ctlon, ot ~ bast on~ p~l ~paci~r by ~ ~neor~ed switr;il.
mu~, ~ ou~y rq~ed to p~ ~ b~nir~ ~ ~t 1~ ~Ui~ md ~ by ~n
d ~ pr~ent ~rltbn. Th- ~clal rq~r~n~n~ for ~ p~l r~ nd ~ch
r~or t~ ~ subs~qu~n~Jy nrr~d r~ ~ In~rdod dr~lt.
In a~ i~iment rJ~ a h~ aid r~r~ed in ~coordsnco wi~ ~
p~cipbs of the p~nt ir~, ~ numb~r ol c~ly ~ n
prov;d~d as p~rtial capedt~ in ~ hte~rsted *a~it. E~ d ~ i~ c~o~ a~
s~chino r~nal. Pr~brnbly, Into~r~od MOS ~ nre u~d ~ ~ Int~r~
8w~hes.
O~r advu~oes ~nd h~ d ff ~ inv nffon will b~ r~dil)r 4p~nt frùm
0~ ~orbwln~ d~crlptlon ol the pr~brred errbodirr~, ~ drsw~ ~d d~.
~IRI~F DE~CRIPTION OF T~SiE i~WlNaS
Fll~. 1 lilu~trst06 8 drr~un ~m d ~ Itl oon~d h .cootda~
wffl~ ~ prindplss r,~f ~,0 pr~nt inv~rfion.
F~. 2 illus~ ~ drwit d~onlm d Flo. 1, wi~ thr~ osc lla~or drouil ~hown
in d~t~il,
.
JUN 24--1993 11:25 FR01~ lLL...Si~li'SllN TO lfil323284413 P.B6
20992~8
. DE~AIL~ED DE~ lPnON
p
2 lor pbkln~ up useful ~lom~ls hl ~e r~p d hunwl h~. l'n0 u6du1 ~i~ls llre pr~
tru~duo~r ~rou~h a usehl ~nal p~ arr~t ~ rou~h
~n ou~t ~ S. lh~ br~l proc~ino o~ ~, an c~n, ~or ~mph,
a eircui~ hr ~r~ a p~modubtad ~;~nal, ~e ~ ~t ~o 5 i~
b~ ~r~r t~l d time~lscr~ ~ful ~ l proa~sho rr~nent, w~ dloltal
sign~l pr~lng arr~m~nl, ~d ~n, for ~xampb, indud~ an ~bg to di~i~
r~er ~ input ~, end ~ digi~l~bg r~r ~t ~; oulput ~.
~al, 8vch ~IS r~ dock 8191UI~ sional, or tr~uler ~bnal fr~m an r~cilllltor 7
ired 10r ~ u~dul sign~l ptoc~Ssing ur~om~nL
Tho osall~tor ? is co npOnont part d ~n hbgr~ *cuit (lC) 8. P~tW
~tr~ C1 thro~gh C6 ar~ mondithic~ly integr~ted in ~ '~t~ir~bd cirwit 8 ss
~ely sc~ng r~omponents. Ear,h ~r~ai r apadta C1 tilrou~h C~ hnn8 a serb6
rirwit tr.~ r wlth a r~ ~wKch 81 th,rough S8, ~hbh iB r~lBO mol~lthil a~ r
blt~d in th~ IC 8. ~il d the ~erb~ chwi~ indud~ a -~rtbl c~dtDr and a ~h,
re coru~ct~d, r sp~vdy, In i~i. 1~ hdivkiuei 8WitCh# S1 ~rouoh S6,
i~i in ~ t~nnbofio rn~r In ~, 1, ue ~ cb~;lgned ~ ir~r~d
iUOS ~it~hos.
~,
. '
JUN-24-1993 ll:Z6 FRo~1 HlLL.. S:llPS~I TO 161323"944E! P.E17
,_
2099208
lh~ p~J c~ Cl throuoh C8 C~ ~r~ wl~ ro~p~ t~ ~ir
hd~ ~. ~r ~uunpb, ~ Ior ~ llrst p~l ~r C1
to h~ th~ st indhldud ap~. E~ch wb~nt p~rW c~d~r C2 ~h
CB c~n U~n h8v~ ~bo th~ ~ o~d to t~ p~n~ p~ ~n C1
c4pa~tors hsv~o ~dud~d vah~ ot ~ in p~lbl.
1~ ~ S1 ~r~ S~ u~ co~, r~, b~ ~ line L1
~hrouoh L6 lo a d~ ~tor~ 9 ~ sd~ usUng th~ individwll ~. A d~
~wltchir~ d~nal ~sn ~ ~to~d as ~ bin~ry d~ word h thn data ~tor~ a. ~ di~ital
~ ign~ pr~f~rably d~r~d ~ s nan-vol~l~ dda ~, nd mond~ic:dl~
ht~gr~d ~ a compon~r~ p~rt of ~ ~te~r t~d dr~ 8.
For oxampb, th~ bina~y data word ~or~d h ~ d~ st~ ~ ~ a dio~
~hhg signsl ha~; ~ bit pludlty ~at corr~oponds b th~ y of ~ S1 ~ h
S6. ~ a r~sult, ~ar h ~h S1 ~uough ~6 r~n b~ con~d, r~p~, by on~ bit ol
d~ts word b~ d on a p~Jhl bit o~ul f~om ~ t~ store 9 ~rouoh ~ Ihe~ L1
~ro~h L6. Each ~1tch S1 throu~h SB c~ doc~oly ~t~d h a drnpb n~ r,
Th~ ~ ~ ~ th~ ~r 71~ '~b d~d by
p~ capacitors C1 throu~h C8. PluW oop~llors Cl ~rouoh C6 ~ ~dded h ~,
thu~, ar~ conr~ct~ in pudld to ~oh a~r. A prud~ ~ ty d tt~ doslred
~ocllbtor h~u~ncy 18 ~hi~d by ~ Rn~ d 1ho pu~ padtors, Wh~fl th~l
oocilbtor ~ c~n ~bo h~ s 1~ b~b C~W. ~ a ~1~ of tl~ divi~ion
JLN-24--1993 11:26 FROM HlLL. . .SlllP51:~N T~ 1613232944~ F.E~EI
,
2~99208
d~cap~o~p~o~,~b~rh~
d ~ id ~ h 1~000~ wW~ ~ prhdpbs d ~ pre~llt
In one ~r~a ~bod~nt d a dd oor~ed h
rr~no~ ~ ~ pr~ d ~ pr~nt i~, ~e IC S ~ Id 1 b
d~;gr~d wah ~ ~e c9pacltor C1 h~ ~ smdhst c~pacitano~. lt~ r~or G1 1
~d. s~qu~ C~07 ~z ~h oe ~ ara n~d h r,~rd~r d incr~ln9
~unc~, ~ switd~ by ~elr r~ ~ 82 ~ oh d ~
r~spoahm rn~ s S2 ~uouoh S6 hav~ ~ bi~ n~ mor~ ~nt b~ d ~ data
wo~, r~ly.
As Illu~ed n F~. 2, ~ h~ino ald 1 hclud~ ~n r~r 7 ~11~ e
~p~l ow~r. m~ o~ei~Dr 7 hc~ an ht~r~ ~ on ~brr~ ~ ~r
oo~ ~ froqu~ olth~ o~r, ~ ~r hdud~ ~n op~ 0mplifi~t
10. Th~ ~rn~ cor~ of ~ opor~l ~rr~lbr 1~ d~ on ~ puW c~
C1 ~rou~h C6 and ~ ~ rr~lor R1. 11~ ~l~b pu~al G~cltor~ C1 ~ro~h
~ct ~ a cap~ h~ b~on n hput 11 ~d en o~p~ 12 ol ~ op~
'
JUN-24-1993 11:27 FF~LlM HILL...SIMPSCiN ro 161~2_2E11440 P.09
, .. _
20~9208
~mpr~ o. ~ d~lta o~ ~uar ~ ~ ~ N~bb 1~ ~ ou~ 12 o~ ~e
mod~d d~nal in ~ ~eh1 ~rul pr~#~ ~r~ 4.
oonn~bb throu~ ~ t~ 13 ~ ~n op~ng ~ ~uro-, ~ ~ ~ po~
pab o1~ l~arhg ~id b~y. Tl~ volt49o dvid~r upplb a ~ll~h ~hold vdt~e by ~
lln~ 14 ~ w ~hold vol~ by a lin~ 15 tD a comp~rator drcult hrrn~d d t~o
canpar~tors 16 and 17. 111o ddta ~n~ t ~ autput 12 d ~ intogr~tor 10,
is d~o ~uppli~d to ~e c~mp~r~t arcuit. Tho d~ ~J cvl Ihx:~ in ~ ~or
p~k v~ b~n t~ ~r~hold ~s d ~ ~n Ln-s 14 ond 15. When 0
~i~do of th~ ion~l ro~ ono d ~ thr~hold ~ol~, ono o~
a~m~u~tor~ 1~ or 17 w~ sn output ~îon~ ~ ~ ~bb nl~ bp 1B. A~ sult.
1~1 ot on oulput 19 of U~ bb~bb 1~;~110p 18 d~, tor ~mpb, from ~ hl~h v~
to ti~ ~ut 19 by a driv~r 20 and a r~si~ R1.
me b~l ~ ~ nput 11 ol tho op~r~ u~i~ 1~ d~, du~ to ti~
~ing d ti~ ou~n bveî ~t tho t~ ol~t U. m~ Chu~ in ~l ~o~ ~ r~rsal
d ~ irn~on ~Ir~lon d ~ ir~tor. ~ ~oon ~ ~ w~lh al~ ot th~
~shold vd~ Of ~ 14 a l6 Is ~h ~ct~d i~ r h~, a
or 1~ oc~r~ r~ult, ~ hl~r~on *~tion d the ~r~tor i8, ~il~il, re~rer8eci.
con~iu~y o~c list~ ond ~n~ an osd~tor.
,
JLIN-~4~ 3 11:2'~ FFDl`l HIL~. . .Slr1PSLI~ TO 16132323~n ~. 10
.,,
2099208
d ~ h~r~tor 10. ~ ~dn~ eon~t~ d d~ h~ 1C ~ lran ~
h dso h~ by ~ ~eh~n of ~ ~hdd ~ on ~ ~ 1~, ~nd 15. A
h~d c~t 8 ol ~ h~ ~id 1 h oooord~ wffl ~ t
inv~on. ~ '-
in ~ art, n ~houk~ b~ unchr~tood ~st wo wiSl~ to ~nbody wi~in tho ~cope d th~ p~t~nt
d o~n oontr~bution to ~ ~rt.
