GB794820A - Improvements in or relating to automatic telecommunication exchanges - Google Patents

Improvements in or relating to automatic telecommunication exchanges

Info

Publication number
GB794820A
GB794820A GB605057A GB605057A GB794820A GB 794820 A GB794820 A GB 794820A GB 605057 A GB605057 A GB 605057A GB 605057 A GB605057 A GB 605057A GB 794820 A GB794820 A GB 794820A
Authority
GB
United Kingdom
Prior art keywords
group
relating
automatic telecommunication
telecommunication exchanges
stages
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
GB605057A
Other languages
English (en)
Inventor
Frederick Harry Bray
Ronald George Knight
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB605057A priority Critical patent/GB794820A/en
Priority to BE541832A priority patent/BE541832A/xx
Priority to FR69087D priority patent/FR69087E/fr
Priority to GB2398556A priority patent/GB794819A/en
Publication of GB794820A publication Critical patent/GB794820A/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
    • H04Q3/525—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 tubes in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
GB605057A 1954-10-05 1954-10-05 Improvements in or relating to automatic telecommunication exchanges Expired GB794820A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB605057A GB794820A (en) 1954-10-05 1954-10-05 Improvements in or relating to automatic telecommunication exchanges
BE541832A BE541832A (cs) 1954-10-05 1955-10-05
FR69087D FR69087E (fr) 1954-10-05 1955-10-05 Circuits de commutation utilisant des tubes à décharge gazeuse
GB2398556A GB794819A (en) 1954-10-05 1956-08-03 Improvements in or relating to automatic telecommunication exchanges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB605057A GB794820A (en) 1954-10-05 1954-10-05 Improvements in or relating to automatic telecommunication exchanges

Publications (1)

Publication Number Publication Date
GB794820A true GB794820A (en) 1958-05-14

Family

ID=9807494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB605057A Expired GB794820A (en) 1954-10-05 1954-10-05 Improvements in or relating to automatic telecommunication exchanges

Country Status (3)

Country Link
BE (1) BE541832A (cs)
FR (1) FR69087E (cs)
GB (1) GB794820A (cs)

Also Published As

Publication number Publication date
BE541832A (cs) 1959-08-28
FR69087E (fr) 1958-09-22

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