BE387417A - - Google Patents

Info

Publication number
BE387417A
BE387417A BE387417DA BE387417A BE 387417 A BE387417 A BE 387417A BE 387417D A BE387417D A BE 387417DA BE 387417 A BE387417 A BE 387417A
Authority
BE
Belgium
Prior art keywords
relay
communication
cut
line
pulse
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE387417A publication Critical patent/BE387417A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE387417D BE387417A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE387417A true BE387417A (enrdf_load_stackoverflow)

Family

ID=55881

Family Applications (1)

Application Number Title Priority Date Filing Date
BE387417D BE387417A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE387417A (enrdf_load_stackoverflow)

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