FR931692A - Improvements to automatic telephone switching systems - Google Patents

Improvements to automatic telephone switching systems

Info

Publication number
FR931692A
FR931692A FR931692DA FR931692A FR 931692 A FR931692 A FR 931692A FR 931692D A FR931692D A FR 931692DA FR 931692 A FR931692 A FR 931692A
Authority
FR
France
Prior art keywords
telephone switching
switching systems
automatic telephone
automatic
systems
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)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR931692A publication Critical patent/FR931692A/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)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR931692D 1945-08-14 1946-07-31 Improvements to automatic telephone switching systems Expired FR931692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US610724A US2468300A (en) 1945-08-14 1945-08-14 Automatic telephone system

Publications (1)

Publication Number Publication Date
FR931692A true FR931692A (en) 1948-03-01

Family

ID=24446160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931692D Expired FR931692A (en) 1945-08-14 1946-07-31 Improvements to automatic telephone switching systems

Country Status (3)

Country Link
US (1) US2468300A (en)
FR (1) FR931692A (en)
GB (1) GB617932A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL84066C (en) * 1949-01-29
US2674657A (en) * 1949-04-04 1954-04-06 Itt Primary-secondary-spread crossbar telephone system
US2680781A (en) * 1949-11-08 1954-06-08 Bell Telephone Labor Inc Translating arrangement
BE534037A (en) * 1953-12-11
US3235665A (en) * 1962-06-27 1966-02-15 Stromberg Carlson Corp Shortcut routing circuitry

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2006438A (en) * 1934-10-20 1935-07-02 Bell Telephone Labor Inc Telephone exchange system
US2108140A (en) * 1935-03-18 1938-02-15 Siemens Brothers & Co Ltd Telephone system
NL69989C (en) * 1940-10-31

Also Published As

Publication number Publication date
US2468300A (en) 1949-04-26
GB617932A (en) 1949-02-14

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