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Patent 1108325 Summary

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(12) Patent: (11) CA 1108325
(21) Application Number: 1108325
(54) English Title: TELECOMMUNICATIONS SYSTEM
(54) French Title: SYSTEME DE TELECOMMUNICATION
Status: Term Expired - Post Grant
Bibliographic Data
(51) International Patent Classification (IPC):
  • H04M 11/00 (2006.01)
  • H04M 11/06 (2006.01)
  • H04N 1/00 (2006.01)
  • H04N 1/44 (2006.01)
  • H04Q 11/04 (2006.01)
(72) Inventors :
  • CHRISTIANSEN, HANS-MARTIN (Germany)
  • KERSTEN, RUDOLF (Germany)
  • KOFFLER, HANS (Germany)
  • STREHL, HERBERT (Germany)
(73) Owners :
  • SIEMENS AKTIENGESELLSCHAFT
(71) Applicants :
(74) Agent: SMART & BIGGAR LP
(74) Associate agent:
(45) Issued: 1981-09-01
(22) Filed Date: 1978-06-29
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data:
Application No. Country/Territory Date
P 27 29 689.5 (Germany) 1977-06-30

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