CH287723A - Automatic switching device for telecommunication exchange. - Google Patents

Automatic switching device for telecommunication exchange.

Info

Publication number
CH287723A
CH287723A CH287723DA CH287723A CH 287723 A CH287723 A CH 287723A CH 287723D A CH287723D A CH 287723DA CH 287723 A CH287723 A CH 287723A
Authority
CH
Switzerland
Prior art keywords
switching device
automatic switching
telecommunication exchange
telecommunication
exchange
Prior art date
Application number
Other languages
French (fr)
Inventor
Telephones Compagnie Indus Des
Original Assignee
Cie Ind Telephones
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 Cie Ind Telephones filed Critical Cie Ind Telephones
Publication of CH287723A publication Critical patent/CH287723A/en

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
CH287723D 1948-04-28 1949-04-25 Automatic switching device for telecommunication exchange. CH287723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1008571T 1948-04-28

Publications (1)

Publication Number Publication Date
CH287723A true CH287723A (en) 1952-12-15

Family

ID=9567453

Family Applications (1)

Application Number Title Priority Date Filing Date
CH287723D CH287723A (en) 1948-04-28 1949-04-25 Automatic switching device for telecommunication exchange.

Country Status (5)

Country Link
US (1) US2629019A (en)
CH (1) CH287723A (en)
FR (1) FR1008571A (en)
GB (1) GB672149A (en)
NL (1) NL141976B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959077A (en) * 1942-10-31 1950-03-23
US2741663A (en) * 1950-06-16 1956-04-10 Nederlanden Staat Automatic switching system
GB751722A (en) * 1951-04-19 1956-07-04 Automatic Telephone & Elect Improvements in or relating to telecommunication systems
US2787661A (en) * 1951-08-04 1957-04-02 Philips Corp Circuit for use in automatic signalling systems
BE518579A (en) * 1952-03-21
DE958662C (en) * 1954-07-06 1957-02-21 Telefonbau & Normalzeit Gmbh Circuit arrangement for the selection of larger cable bundles in telephone systems with dialer operation
NL218965A (en) * 1956-07-16
NL238128A (en) * 1958-04-15

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR581736A (en) * 1923-05-17 1924-12-04
GB354405A (en) * 1930-05-13 1931-08-13 Standard Telephones Cables Ltd Improvements in or relating to automatic or semi-automatic telephone exchange systems
US2030412A (en) * 1934-10-24 1936-02-11 Bell Telephone Labor Inc Telephone exchange system
GB446683A (en) * 1934-11-03 1936-05-04 Automatic Electric Co Ltd Improvements in or relating to telephone systems
US2138594A (en) * 1935-01-18 1938-11-29 Western Electric Co Telephone system
US2217084A (en) * 1937-02-24 1940-10-08 Siemens Ag Telephone system
CH255842A (en) * 1941-07-11 1948-07-15 Standard Telephon & Radio Ag Telecommunication system.
US2421919A (en) * 1944-04-29 1947-06-10 American Telephone & Telegraph Telephone routing system

Also Published As

Publication number Publication date
GB672149A (en) 1952-05-14
FR1008571A (en) 1952-05-19
US2629019A (en) 1953-02-17
NL141976B (en)

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