BE534368A - - Google Patents

Info

Publication number
BE534368A
BE534368A BE534368DA BE534368A BE 534368 A BE534368 A BE 534368A BE 534368D A BE534368D A BE 534368DA BE 534368 A BE534368 A BE 534368A
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 BE534368A publication Critical patent/BE534368A/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)
  • Telephonic Communication Services (AREA)
BE534368D 1953-12-24 BE534368A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL329213X 1953-12-24

Publications (1)

Publication Number Publication Date
BE534368A true BE534368A (en:Method)

Family

ID=19784289

Family Applications (1)

Application Number Title Priority Date Filing Date
BE534368D BE534368A (en:Method) 1953-12-24

Country Status (6)

Country Link
US (1) US2904638A (en:Method)
BE (1) BE534368A (en:Method)
CH (1) CH329213A (en:Method)
DE (1) DE943414C (en:Method)
FR (1) FR1117759A (en:Method)
NL (2) NL87345C (en:Method)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365996A (en) * 1942-08-12 1944-12-26 Kellogg Switchboard & Supply Private branch exchange automatic telephone system
US2358237A (en) * 1942-12-22 1944-09-12 Bell Telephone Labor Inc Telephone system

Also Published As

Publication number Publication date
US2904638A (en) 1959-09-15
NL87345C (en:Method)
FR1117759A (fr) 1956-05-28
CH329213A (de) 1958-04-15
NL183912B (nl)
DE943414C (de) 1956-05-17

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