GB937258A - Improvements in automatic telecommunication systems - Google Patents

Improvements in automatic telecommunication systems

Info

Publication number
GB937258A
GB937258A GB1533161A GB1533161A GB937258A GB 937258 A GB937258 A GB 937258A GB 1533161 A GB1533161 A GB 1533161A GB 1533161 A GB1533161 A GB 1533161A GB 937258 A GB937258 A GB 937258A
Authority
GB
United Kingdom
Prior art keywords
calling
signals
individual
identity
line
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
GB1533161A
Other languages
English (en)
Inventor
Ivan Witalis Grundin
Harry Freese
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.)
Svenska Relafabriken ABN AB
Original Assignee
Svenska Relafabriken ABN AB
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 Svenska Relafabriken ABN AB filed Critical Svenska Relafabriken ABN AB
Publication of GB937258A publication Critical patent/GB937258A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB1533161A 1961-05-02 1961-04-27 Improvements in automatic telecommunication systems Expired GB937258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19611162888 DE1162888C2 (de) 1961-05-02 1961-05-02 Schaltungsanordnung fuer fernsprechanlagen

Publications (1)

Publication Number Publication Date
GB937258A true GB937258A (en) 1963-09-18

Family

ID=5654637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1533161A Expired GB937258A (en) 1961-05-02 1961-04-27 Improvements in automatic telecommunication systems

Country Status (2)

Country Link
DE (1) DE1162888C2 (enrdf_load_stackoverflow)
GB (1) GB937258A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271524A (en) * 1961-09-27 1966-09-06 Bell Telephone Labor Inc Key type common control telephone switching system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271524A (en) * 1961-09-27 1966-09-06 Bell Telephone Labor Inc Key type common control telephone switching system

Also Published As

Publication number Publication date
DE1162888B (enrdf_load_stackoverflow) 1973-01-04
DE1162888C2 (de) 1973-01-04

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