BE519427A - - Google Patents

Info

Publication number
BE519427A
BE519427A BE519427DA BE519427A BE 519427 A BE519427 A BE 519427A BE 519427D A BE519427D A BE 519427DA BE 519427 A BE519427 A BE 519427A
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 BE519427A publication Critical patent/BE519427A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE519427D 1952-04-24 BE519427A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT929133X 1952-04-24

Publications (1)

Publication Number Publication Date
BE519427A true BE519427A (fr)

Family

ID=3683168

Family Applications (1)

Application Number Title Priority Date Filing Date
BE519427D BE519427A (fr) 1952-04-24

Country Status (2)

Country Link
BE (1) BE519427A (fr)
DE (1) DE929133C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337692A (en) * 1964-06-26 1967-08-22 Automatic Elect Lab Line lockout in a cross point switching system

Also Published As

Publication number Publication date
DE929133C (de) 1955-06-20

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