FR922489A - - Google Patents

Info

Publication number
FR922489A
FR922489A FR922489DA FR922489A FR 922489 A FR922489 A FR 922489A FR 922489D A FR922489D A FR 922489DA FR 922489 A FR922489 A FR 922489A
Authority
FR
France
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
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.)
Publication date
Application granted granted Critical
Publication of FR922489A publication Critical patent/FR922489A/fr
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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR922489D 1945-02-20 Expired FR922489A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2769034X 1945-02-20

Publications (1)

Publication Number Publication Date
FR922489A true FR922489A (fr) 1947-06-24

Family

ID=20427204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922489D Expired FR922489A (fr) 1945-02-20

Country Status (2)

Country Link
US (1) US2769034A (fr)
FR (1) FR922489A (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1761115A (en) * 1927-09-02 1930-06-03 John E Gardner Automatic telephone system
US1882106A (en) * 1931-05-01 1932-10-11 Aaron W Levy Telephone apparatus
US2185287A (en) * 1936-06-16 1940-01-02 Bell Telephone Labor Inc Telephone system
US2227488A (en) * 1938-06-17 1941-01-07 Bell Telephone Labor Inc Telephone system
US2332912A (en) * 1942-05-01 1943-10-26 Bell Telephone Labor Inc Telephone system

Also Published As

Publication number Publication date
US2769034A (en) 1956-10-30

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