BE384051A - - Google Patents

Info

Publication number
BE384051A
BE384051A BE384051DA BE384051A BE 384051 A BE384051 A BE 384051A BE 384051D A BE384051D A BE 384051DA BE 384051 A BE384051 A BE 384051A
Authority
BE
Belgium
Prior art keywords
circuit
relay
current
potential
line
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE384051A publication Critical patent/BE384051A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-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)
BE384051D BE384051A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE384051A true BE384051A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=53142

Family Applications (1)

Application Number Title Priority Date Filing Date
BE384051D BE384051A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE384051A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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