GB706395A - Automatic switching system for telecommunications - Google Patents

Automatic switching system for telecommunications

Info

Publication number
GB706395A
GB706395A GB6843/50A GB684350A GB706395A GB 706395 A GB706395 A GB 706395A GB 6843/50 A GB6843/50 A GB 6843/50A GB 684350 A GB684350 A GB 684350A GB 706395 A GB706395 A GB 706395A
Authority
GB
United Kingdom
Prior art keywords
relay
relays
selector
wire
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
GB6843/50A
Other languages
English (en)
Inventor
Henri Louis Lesigne
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.)
Compagnie Industrielle des Telephones SA
Original Assignee
Compagnie Industrielle des Telephones SA
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 Compagnie Industrielle des Telephones SA filed Critical Compagnie Industrielle des Telephones SA
Publication of GB706395A publication Critical patent/GB706395A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
GB6843/50A 1949-03-15 1950-03-20 Automatic switching system for telecommunications Expired GB706395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1011758T 1949-03-15

Publications (1)

Publication Number Publication Date
GB706395A true GB706395A (en) 1954-03-31

Family

ID=9570199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6843/50A Expired GB706395A (en) 1949-03-15 1950-03-20 Automatic switching system for telecommunications

Country Status (5)

Country Link
US (1) US2764635A (OSRAM)
BE (1) BE494556A (OSRAM)
CH (1) CH287409A (OSRAM)
FR (1) FR1011758A (OSRAM)
GB (1) GB706395A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL236960A (OSRAM) * 1958-03-10
DE1049924B (de) * 1958-03-11 1959-02-05 Siemens & Halske Aktiengesellschaft, Berlin und München Schaltungsanordnung für mit Sammelanschlüssen versehene Leitungswähler, welche durch Markiereinrichtungen eingestellt werden, in Fernmelde-, insbesondere Fernsprechanlagen
DE1054121B (de) * 1958-03-14 1959-04-02 Siemens Ag Schaltungsanordnung fuer mit Sammel-anschluessen versehene Leitungswaehler, welche durch Markiereinrichtungen eingestellt werden, in Fernmelde-, insbesondere Fernsprechanlagen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504274A (en) * 1945-04-16 1950-04-18 Ericsson Telefon Ab L M System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
US2598822A (en) * 1945-10-13 1952-06-03 Roelof M M Oberman Signaling system with private branch exchange subscriber

Also Published As

Publication number Publication date
BE494556A (OSRAM)
US2764635A (en) 1956-09-25
FR1011758A (fr) 1952-06-26
CH287409A (fr) 1952-11-30

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