FR1008571A - Occupancy control system for outgoing lines of an automatic switching center - Google Patents

Occupancy control system for outgoing lines of an automatic switching center

Info

Publication number
FR1008571A
FR1008571A FR1008571DA FR1008571A FR 1008571 A FR1008571 A FR 1008571A FR 1008571D A FR1008571D A FR 1008571DA FR 1008571 A FR1008571 A FR 1008571A
Authority
FR
France
Prior art keywords
control system
switching center
automatic switching
outgoing lines
occupancy control
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1008571A publication Critical patent/FR1008571A/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
FR1008571D 1948-04-28 1948-04-28 Occupancy control system for outgoing lines of an automatic switching center Expired FR1008571A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1008571A true FR1008571A (en) 1952-05-19

Family

ID=9567453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1008571D Expired FR1008571A (en) 1948-04-28 1948-04-28 Occupancy control system for outgoing lines of an automatic switching center

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
CH287723A (en) 1952-12-15
US2629019A (en) 1953-02-17
NL141976B (en)

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