BE539838A - - Google Patents

Info

Publication number
BE539838A
BE539838A BE539838DA BE539838A BE 539838 A BE539838 A BE 539838A BE 539838D A BE539838D A BE 539838DA BE 539838 A BE539838 A BE 539838A
Authority
BE
Belgium
Prior art keywords
wire
relay
earth
battery
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE539838A publication Critical patent/BE539838A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/54Arrangements for diverting calls for one subscriber to another predetermined subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE539838D BE539838A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE539838A true BE539838A (enrdf_load_html_response)

Family

ID=169400

Family Applications (1)

Application Number Title Priority Date Filing Date
BE539838D BE539838A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE539838A (enrdf_load_html_response)

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