BE465122A - - Google Patents

Info

Publication number
BE465122A
BE465122A BE465122DA BE465122A BE 465122 A BE465122 A BE 465122A BE 465122D A BE465122D A BE 465122DA BE 465122 A BE465122 A BE 465122A
Authority
BE
Belgium
Prior art keywords
relay
armature
call
operator
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE465122A publication Critical patent/BE465122A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Meter Arrangements (AREA)
BE465122D BE465122A (https=)

Publications (1)

Publication Number Publication Date
BE465122A true BE465122A (https=)

Family

ID=116780

Family Applications (1)

Application Number Title Priority Date Filing Date
BE465122D BE465122A (https=)

Country Status (1)

Country Link
BE (1) BE465122A (https=)

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