BE554136A - - Google Patents

Info

Publication number
BE554136A
BE554136A BE554136DA BE554136A BE 554136 A BE554136 A BE 554136A BE 554136D A BE554136D A BE 554136DA BE 554136 A BE554136 A BE 554136A
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 BE554136A publication Critical patent/BE554136A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements 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)
  • Exchange Systems With Centralized Control (AREA)
  • Structure Of Telephone Exchanges (AREA)
BE554136D 1941-12-18 BE554136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16334/41A GB554136A (en) 1941-12-18 1941-12-18 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
BE554136A true BE554136A (en)

Family

ID=10075412

Family Applications (1)

Application Number Title Priority Date Filing Date
BE554136D BE554136A (en) 1941-12-18

Country Status (5)

Country Link
US (1) US2358185A (en)
BE (1) BE554136A (en)
FR (1) FR933193A (en)
GB (1) GB554136A (en)
NL (1) NL62663C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176080A (en) * 1959-12-11 1965-03-30 Gen Dynamies Corp Night answering and transfer of trunk calls
DE1135055B (en) * 1961-03-07 1962-08-23 Standard Elektrik Lorenz Ag Circuit arrangement for authorization identification in telephone branch exchanges
BE622308A (en) * 1961-09-11

Also Published As

Publication number Publication date
GB554136A (en) 1943-06-22
US2358185A (en) 1944-09-12
NL62663C (en)
FR933193A (en) 1948-04-13

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