CH289854A - Automatic telephone installation. - Google Patents

Automatic telephone installation.

Info

Publication number
CH289854A
CH289854A CH289854DA CH289854A CH 289854 A CH289854 A CH 289854A CH 289854D A CH289854D A CH 289854DA CH 289854 A CH289854 A CH 289854A
Authority
CH
Switzerland
Prior art keywords
automatic telephone
telephone installation
installation
automatic
telephone
Prior art date
Application number
Other languages
French (fr)
Inventor
Telephone Et Radio S Standard
Original Assignee
Standard Telephone & Radio 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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH289854A publication Critical patent/CH289854A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
CH289854D 1944-04-21 1947-02-21 Automatic telephone installation. CH289854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532141A US2447494A (en) 1944-04-21 1944-04-21 Telephone register control system

Publications (1)

Publication Number Publication Date
CH289854A true CH289854A (en) 1953-03-31

Family

ID=24120527

Family Applications (1)

Application Number Title Priority Date Filing Date
CH289854D CH289854A (en) 1944-04-21 1947-02-21 Automatic telephone installation.

Country Status (3)

Country Link
US (1) US2447494A (en)
CH (1) CH289854A (en)
GB (1) GB628528A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588685A (en) * 1939-07-26 1952-03-11 Automatic Elect Lab Register-sender for automatic telephony
US2629016A (en) * 1942-06-27 1953-02-17 Bell Telephone Labor Inc Automatic toll-ticketing system
US2604539A (en) * 1948-04-05 1952-07-22 Standard Telephones Cables Ltd Automatic telephone switching system
US2633496A (en) * 1948-04-05 1953-03-31 Standard Telephones Cables Ltd Party-line telephone system
FR1036653A (en) * 1950-01-27 1953-09-10 Electronic recorder-translator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854106A (en) * 1922-12-22 1932-04-12 Western Electric Co Automatic telephone system
US1567072A (en) * 1924-10-16 1925-12-29 Western Electric Co Telephone-exchange system
US1708949A (en) * 1926-11-29 1929-04-16 Western Electric Co Telephone system

Also Published As

Publication number Publication date
US2447494A (en) 1948-08-24
GB628528A (en) 1949-08-31

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