BE495462A - - Google Patents

Info

Publication number
BE495462A
BE495462A BE495462DA BE495462A BE 495462 A BE495462 A BE 495462A BE 495462D A BE495462D A BE 495462DA BE 495462 A BE495462 A BE 495462A
Authority
BE
Belgium
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 of BE495462A publication Critical patent/BE495462A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay 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)
BE495462D 1949-05-02 BE495462A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11723/49A GB686751A (en) 1949-05-02 1949-05-02 Improvements in automatic telephone-exchange systems

Publications (1)

Publication Number Publication Date
BE495462A true BE495462A (de)

Family

ID=9991493

Family Applications (1)

Application Number Title Priority Date Filing Date
BE495462D BE495462A (de) 1949-05-02

Country Status (3)

Country Link
US (1) US2704786A (de)
BE (1) BE495462A (de)
GB (1) GB686751A (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1568039A (en) * 1922-11-06 1925-12-29 Western Electric Co Telephone-exchange system
US1529419A (en) * 1923-03-01 1925-03-10 Relay Automatic Telephone Co Telephone system
US1593387A (en) * 1924-07-05 1926-07-20 Western Electric Co Telephone-exchange system
US2039644A (en) * 1935-07-23 1936-05-05 Bell Telephone Labor Inc Selective switch
NL68615C (de) * 1941-02-08 1900-01-01
US2324624A (en) * 1941-10-15 1943-07-20 Bell Telephone Labor Inc Communication system
US2310634A (en) * 1941-10-15 1943-02-09 Bell Telephone Labor Inc Communication system
FR962487A (de) * 1947-02-07 1950-06-10

Also Published As

Publication number Publication date
US2704786A (en) 1955-03-22
GB686751A (en) 1953-01-28

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