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 ( )

Publications (1)

Publication Number Publication Date
BE482060A true BE482060A ( )

Family

ID=128862

Family Applications (1)

Application Number Title Priority Date Filing Date
BE482060D BE482060A ( )

Country Status (1)

Country Link
BE (1) BE482060A ( )

Similar Documents

Publication Publication Date Title
BE482060A ( )
US3020347A (en) Prepay paystation telephone system
BE465122A ( )
BE420417A ( )
BE373940A ( )
BE415524A ( )
BE417475A ( )
BE409407A ( )
BE428086A ( )
BE416389A ( )
BE427507A ( )
BE344462A ( )
BE482801A ( )
BE413526A ( )
BE446398A ( )
BE422189A ( )
BE340847A ( )
BE475418A ( )
BE361645A ( )
BE535414A ( )
BE486786A ( )
BE406817A ( )
BE481276A ( )
BE454860A ( )
BE476206A ( )