BE467114A - - Google Patents

Info

Publication number
BE467114A
BE467114A BE467114DA BE467114A BE 467114 A BE467114 A BE 467114A BE 467114D A BE467114D A BE 467114DA BE 467114 A BE467114 A BE 467114A
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 BE467114A publication Critical patent/BE467114A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE467114D 1944-07-21 BE467114A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US545928A US2377562A (en) 1944-07-21 1944-07-21 Telephone system

Publications (1)

Publication Number Publication Date
BE467114A true BE467114A (ja)

Family

ID=24178107

Family Applications (1)

Application Number Title Priority Date Filing Date
BE467114D BE467114A (ja) 1944-07-21

Country Status (2)

Country Link
US (1) US2377562A (ja)
BE (1) BE467114A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871303A (en) * 1954-04-06 1959-01-27 Riva Antonio Da Telephone intercommunication system having means for interconnecting any two stations
US2850579A (en) * 1954-05-12 1958-09-02 Bell Telephone Labor Inc Subscriber's key telephone station and signaling circuit
BE539028A (ja) * 1954-08-23
BE563969A (ja) * 1957-01-14

Also Published As

Publication number Publication date
US2377562A (en) 1945-06-05

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