BE518743A - - Google Patents

Info

Publication number
BE518743A
BE518743A BE518743DA BE518743A BE 518743 A BE518743 A BE 518743A BE 518743D A BE518743D A BE 518743DA BE 518743 A BE518743 A BE 518743A
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 BE518743A publication Critical patent/BE518743A/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
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/36—Circuit arrangements for ensuring correct or desired operation and not adapted to a particular application of the selector switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE518743D 1953-03-18 BE518743A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8022/52A GB723997A (en) 1953-03-18 1953-03-18 Automatic telecommunication exchange systems

Publications (1)

Publication Number Publication Date
BE518743A true BE518743A (zh)

Family

ID=9844287

Family Applications (1)

Application Number Title Priority Date Filing Date
BE518743D BE518743A (zh) 1953-03-18

Country Status (3)

Country Link
US (1) US2721233A (zh)
BE (1) BE518743A (zh)
GB (1) GB723997A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301964A (en) * 1963-12-09 1967-01-31 Bell Telephone Labor Inc System for releasing magnetic latching crossbar switches in which hold magnets are interconnected over crosspoint contacts of the preceding switch
US3400225A (en) * 1965-07-13 1968-09-03 Internat Telephone & Telegraph Magnetic latching switch having residual magnetism for crosspoint hold means
US3863035A (en) * 1972-06-20 1975-01-28 Lynch Communication Systems Call concentrator switching matrix

Also Published As

Publication number Publication date
US2721233A (en) 1955-10-18
GB723997A (en) 1955-02-16

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