FR934845A - telephone equipment for central offices - Google Patents

telephone equipment for central offices

Info

Publication number
FR934845A
FR934845A FR934845DA FR934845A FR 934845 A FR934845 A FR 934845A FR 934845D A FR934845D A FR 934845DA FR 934845 A FR934845 A FR 934845A
Authority
FR
France
Prior art keywords
telephone equipment
central offices
offices
central
telephone
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
Frank Bobert Mcberty
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 filed Critical
Application granted granted Critical
Publication of FR934845A publication Critical patent/FR934845A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/16—Wiring arrangements for selector switches or relays in frames
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnets (AREA)
FR934845D 1940-07-29 1946-10-15 telephone equipment for central offices Expired FR934845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US348223A US2415437A (en) 1940-07-29 1940-07-29 Telephone exchange apparatus

Publications (1)

Publication Number Publication Date
FR934845A true FR934845A (en) 1948-06-02

Family

ID=23367106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934845D Expired FR934845A (en) 1940-07-29 1946-10-15 telephone equipment for central offices

Country Status (5)

Country Link
US (1) US2415437A (en)
BE (1) BE468622A (en)
CH (1) CH280333A (en)
FR (1) FR934845A (en)
NL (1) NL68221C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573889A (en) * 1948-12-14 1951-11-06 Hans P Boswau Automatic telephone switching mechanism
US2742535A (en) * 1951-05-15 1956-04-17 North Electric Co Automatic telephone system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1480202A (en) * 1924-01-08 Telephone system
US1374366A (en) * 1921-04-12 dickerson
US701499A (en) * 1900-08-27 1902-06-03 Anderson John Automatic telephone-exchange.
US767703A (en) * 1904-01-18 1904-08-16 Phoenix Electric Mfg Company Automatic electrical regulator.
US1046952A (en) * 1909-12-21 1912-12-10 Ernst Blos Automatic telephone system.
US1215859A (en) * 1916-05-22 1917-02-13 Western Electric Co Switch mechanism.
US1318178A (en) * 1916-10-25 1919-10-07 Philip W Goewey Circuit-controller.
US1275846A (en) * 1917-12-14 1918-08-13 Gen Electric Switch structure.
US1528767A (en) * 1922-04-27 1925-03-10 Western Electric Co Switching device
US1472503A (en) * 1922-06-20 1923-10-30 Western Electric Co Switching device
US1659627A (en) * 1925-10-12 1928-02-21 Ericsson Telefon Ab L M Selector switch
US1819675A (en) * 1929-05-04 1931-08-18 Bell Telephone Labor Inc Switch
US2123229A (en) * 1937-03-31 1938-07-12 Bell Telephone Labor Inc Selector switch
US2214907A (en) * 1938-12-30 1940-09-17 Associated Electric Lab Inc Switching apparatus
US2187115A (en) * 1939-03-02 1940-01-16 Bell Telephone Labor Inc Switching device

Also Published As

Publication number Publication date
CH280333A (en) 1952-01-15
NL68221C (en)
BE468622A (en)
US2415437A (en) 1947-02-11

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