CA970863A - Telecommunication exchanges - Google Patents

Telecommunication exchanges

Info

Publication number
CA970863A
CA970863A CA115,773A CA115773A CA970863A CA 970863 A CA970863 A CA 970863A CA 115773 A CA115773 A CA 115773A CA 970863 A CA970863 A CA 970863A
Authority
CA
Canada
Prior art keywords
telecommunication exchanges
telecommunication
exchanges
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
CA115,773A
Inventor
Roy Hampton
John W. Kitchener
John Dawson
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.)
Plessey Handel und Investments AG
Original Assignee
Plessey Handel und Investments AG
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 Plessey Handel und Investments AG filed Critical Plessey Handel und Investments AG
Application granted granted Critical
Publication of CA970863A publication Critical patent/CA970863A/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
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Meter Arrangements (AREA)
CA115,773A 1970-07-14 1971-06-16 Telecommunication exchanges Expired CA970863A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3415670 1970-07-14

Publications (1)

Publication Number Publication Date
CA970863A true CA970863A (en) 1975-07-08

Family

ID=10362095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA115,773A Expired CA970863A (en) 1970-07-14 1971-06-16 Telecommunication exchanges

Country Status (4)

Country Link
CA (1) CA970863A (en)
FR (1) FR2101654A5 (en)
GB (1) GB1333773A (en)
ZA (1) ZA714002B (en)

Also Published As

Publication number Publication date
FR2101654A5 (en) 1972-03-31
ZA714002B (en) 1972-02-23
GB1333773A (en) 1973-10-17

Similar Documents

Publication Publication Date Title
CA977062A (en) Data switching exchanges
CA970084A (en) Telecommunication device
AU463007B2 (en) Coin telephone sets
CA926528A (en) Party-line bridge-lifter
CA1020654A (en) Telephone exchanges
CA968086A (en) Telecommunications systems
AU2620371A (en) Telephone subset
CA970863A (en) Telecommunication exchanges
CA938706A (en) Telecommunication exchanges
CA849110A (en) Telephone exchanges
CA833761A (en) Telecommunication cables
CA916326A (en) Telephone set switch-hook stop
AU446463B2 (en) Telecommunication exchanges
AU445348B2 (en) Telecommunication exchange
AU464484B2 (en) Individual telephone line equipment
CA792307A (en) Telephone set
AU1325670A (en) Telecommunication exchanges
AU1097370A (en) Telecommunication exchange
CA854796A (en) Telephone set
CA837759A (en) Telecommunication cables
CA848521A (en) Telephone arrangement
AU448551B2 (en) Data switching exchanges
AU2174070A (en) Telephone sets
CA930852A (en) Telecommunication exchange system
CA833177A (en) Switching network