CH280333A - Switchgear for an automatic telephone exchange. - Google Patents

Switchgear for an automatic telephone exchange.

Info

Publication number
CH280333A
CH280333A CH280333DA CH280333A CH 280333 A CH280333 A CH 280333A CH 280333D A CH280333D A CH 280333DA CH 280333 A CH280333 A CH 280333A
Authority
CH
Switzerland
Prior art keywords
switchgear
telephone exchange
automatic telephone
automatic
exchange
Prior art date
Application number
Other languages
German (de)
Inventor
Robert Mcberty Frank
Original Assignee
Robert Mcberty Frank
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 Robert Mcberty Frank filed Critical Robert Mcberty Frank
Publication of CH280333A publication Critical patent/CH280333A/en

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)
CH280333D 1940-07-29 1946-10-08 Switchgear for an automatic telephone exchange. CH280333A (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
CH280333A true CH280333A (en) 1952-01-15

Family

ID=23367106

Family Applications (1)

Application Number Title Priority Date Filing Date
CH280333D CH280333A (en) 1940-07-29 1946-10-08 Switchgear for an automatic telephone exchange.

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
NL68221C (en)
FR934845A (en) 1948-06-02
BE468622A (en)
US2415437A (en) 1947-02-11

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