BE482060A - - Google Patents

Info

Publication number
BE482060A
BE482060A BE482060DA BE482060A BE 482060 A BE482060 A BE 482060A BE 482060D A BE482060D A BE 482060DA BE 482060 A BE482060 A BE 482060A
Authority
BE
Belgium
Prior art keywords
relay
line
circuit
connection
relays
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE482060A publication Critical patent/BE482060A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M17/00Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023Circuit arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE482060D BE482060A (OSRAM)

Publications (1)

Publication Number Publication Date
BE482060A true BE482060A (OSRAM)

Family

ID=128862

Family Applications (1)

Application Number Title Priority Date Filing Date
BE482060D BE482060A (OSRAM)

Country Status (1)

Country Link
BE (1) BE482060A (OSRAM)

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