BE469316A - - Google Patents

Info

Publication number
BE469316A
BE469316A BE469316DA BE469316A BE 469316 A BE469316 A BE 469316A BE 469316D A BE469316D A BE 469316DA BE 469316 A BE469316 A BE 469316A
Authority
BE
Belgium
Prior art keywords
relay
circuit
contacts
loop
winding
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE469316A publication Critical patent/BE469316A/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)
BE469316D BE469316A (en:Method)

Publications (1)

Publication Number Publication Date
BE469316A true BE469316A (en:Method)

Family

ID=119804

Family Applications (1)

Application Number Title Priority Date Filing Date
BE469316D BE469316A (en:Method)

Country Status (1)

Country Link
BE (1) BE469316A (en:Method)

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