CH277164A - Switching device for establishing a connection to a desired line in a telephone system. - Google Patents

Switching device for establishing a connection to a desired line in a telephone system.

Info

Publication number
CH277164A
CH277164A CH277164DA CH277164A CH 277164 A CH277164 A CH 277164A CH 277164D A CH277164D A CH 277164DA CH 277164 A CH277164 A CH 277164A
Authority
CH
Switzerland
Prior art keywords
establishing
connection
switching device
telephone system
desired line
Prior art date
Application number
Other languages
French (fr)
Inventor
Incorporated Western E Company
Original Assignee
Western Electric Co
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 filed Critical Western Electric Co
Publication of CH277164A publication Critical patent/CH277164A/en

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)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
CH277164D 1938-11-16 1947-08-04 Switching device for establishing a connection to a desired line in a telephone system. CH277164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US240698A US2201573A (en) 1938-11-16 1938-11-16 Telephone system

Publications (1)

Publication Number Publication Date
CH277164A true CH277164A (en) 1951-08-15

Family

ID=22907570

Family Applications (1)

Application Number Title Priority Date Filing Date
CH277164D CH277164A (en) 1938-11-16 1947-08-04 Switching device for establishing a connection to a desired line in a telephone system.

Country Status (5)

Country Link
US (1) US2201573A (en)
CH (1) CH277164A (en)
FR (1) FR951376A (en)
GB (1) GB636920A (en)
NL (1) NL68476C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504274A (en) * 1945-04-16 1950-04-18 Ericsson Telefon Ab L M System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
US2574903A (en) * 1948-04-08 1951-11-13 Kellogg Switchboard & Supply Translator for shifted lines and parties
US2674657A (en) * 1949-04-04 1954-04-06 Itt Primary-secondary-spread crossbar telephone system
BE522048A (en) * 1949-04-04
US2680781A (en) * 1949-11-08 1954-06-08 Bell Telephone Labor Inc Translating arrangement
US2710893A (en) * 1951-03-27 1955-06-14 Itt Automatic telephone system and translator therefor
FR2958209B1 (en) 2010-04-01 2012-07-20 Oberthur Technologies VALUE DOCUMENT, PROTECTEDLY MATT AND BRILLIANT PROTECTIVE LAYER

Also Published As

Publication number Publication date
FR951376A (en) 1949-10-24
NL68476C (en)
GB636920A (en) 1950-05-10
US2201573A (en) 1940-05-21

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