CA963133A - Telephone intercommunicating system - Google Patents

Telephone intercommunicating system

Info

Publication number
CA963133A
CA963133A CA097,178A CA97178A CA963133A CA 963133 A CA963133 A CA 963133A CA 97178 A CA97178 A CA 97178A CA 963133 A CA963133 A CA 963133A
Authority
CA
Canada
Prior art keywords
intercommunicating system
telephone
telephone intercommunicating
intercommunicating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA097,178A
Other versions
CA97178S (en
Inventor
Edouard Pinede
John A. Barsellotti
Frederico R. Laliccia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ITT Canada Ltd
Original Assignee
ITT Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ITT Canada Ltd filed Critical ITT Canada Ltd
Priority to CA097,178A priority Critical patent/CA963133A/en
Priority to GB5008471A priority patent/GB1360508A/en
Priority to GB5766872A priority patent/GB1360509A/en
Priority to DE19712154237 priority patent/DE2154237C3/en
Priority to AU35212/71A priority patent/AU464115B2/en
Priority to ES396581A priority patent/ES396581A1/en
Priority to BE774799A priority patent/BE774799A/en
Priority to CA212,702A priority patent/CA992185A/en
Application granted granted Critical
Publication of CA963133A publication Critical patent/CA963133A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
CA097,178A 1970-11-02 1970-11-02 Telephone intercommunicating system Expired CA963133A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA097,178A CA963133A (en) 1970-11-02 1970-11-02 Telephone intercommunicating system
GB5008471A GB1360508A (en) 1970-11-02 1971-10-28 Telephone intercommunication system
GB5766872A GB1360509A (en) 1970-11-02 1971-10-28 Telephone intercommunication system
DE19712154237 DE2154237C3 (en) 1970-11-02 1971-10-30 PBX
AU35212/71A AU464115B2 (en) 1970-11-02 1971-11-01 Telephone intercommunicating system
ES396581A ES396581A1 (en) 1970-11-02 1971-11-02 Telephone intercommunication system
BE774799A BE774799A (en) 1970-11-02 1971-11-03 TELEPHONE INTERCOMMUNICATION SYSTEM
CA212,702A CA992185A (en) 1970-11-02 1974-10-30 Telephone intercommunicating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA097,178A CA963133A (en) 1970-11-02 1970-11-02 Telephone intercommunicating system

Publications (1)

Publication Number Publication Date
CA963133A true CA963133A (en) 1975-02-18

Family

ID=4087932

Family Applications (1)

Application Number Title Priority Date Filing Date
CA097,178A Expired CA963133A (en) 1970-11-02 1970-11-02 Telephone intercommunicating system

Country Status (6)

Country Link
AU (1) AU464115B2 (en)
BE (1) BE774799A (en)
CA (1) CA963133A (en)
DE (1) DE2154237C3 (en)
ES (1) ES396581A1 (en)
GB (2) GB1360508A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940358B2 (en) * 1978-10-18 1984-09-29 日本電信電話株式会社 Call path switch circuit
DE3215757A1 (en) * 1982-04-28 1983-11-03 Krone Gmbh, 1000 Berlin Internal connection switch for in-house telephone or PABX telecommunications systems

Also Published As

Publication number Publication date
ES396581A1 (en) 1974-05-16
GB1360509A (en) 1974-07-17
AU464115B2 (en) 1975-08-14
BE774799A (en) 1972-03-01
AU3521271A (en) 1973-05-10
DE2154237C3 (en) 1975-09-04
GB1360508A (en) 1974-07-17
DE2154237B2 (en) 1975-01-16
DE2154237A1 (en) 1972-05-04

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