BE514857A - - Google Patents

Info

Publication number
BE514857A
BE514857A BE514857DA BE514857A BE 514857 A BE514857 A BE 514857A BE 514857D A BE514857D A BE 514857DA BE 514857 A BE514857 A BE 514857A
Authority
BE
Belgium
Prior art keywords
relay
line
wires
wire
switching
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE514857A publication Critical patent/BE514857A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE514857D BE514857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE514857A true BE514857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=152546

Family Applications (1)

Application Number Title Priority Date Filing Date
BE514857D BE514857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE514857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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