BE820245R - Telecommunicatie schakelstelsel - Google Patents

Telecommunicatie schakelstelsel

Info

Publication number
BE820245R
BE820245R BE2053879A BE2053879A BE820245R BE 820245 R BE820245 R BE 820245R BE 2053879 A BE2053879 A BE 2053879A BE 2053879 A BE2053879 A BE 2053879A BE 820245 R BE820245 R BE 820245R
Authority
BE
Belgium
Prior art keywords
schakelstelsel
telecommunication
schakelstelsel telecommunication
Prior art date
Application number
BE2053879A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of BE820245R publication Critical patent/BE820245R/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
BE2053879A 1973-09-26 1974-09-24 Telecommunicatie schakelstelsel BE820245R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7313292A NL7313292A (nl) 1973-09-26 1973-09-26 Telecommunicatie-schakelstelsel.

Publications (1)

Publication Number Publication Date
BE820245R true BE820245R (fr) 1975-03-24

Family

ID=19819683

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053879A BE820245R (fr) 1973-09-26 1974-09-24 Telecommunicatie schakelstelsel

Country Status (3)

Country Link
BE (1) BE820245R (fr)
DE (1) DE2445039A1 (fr)
NL (1) NL7313292A (fr)

Also Published As

Publication number Publication date
DE2445039A1 (de) 1975-04-03
NL7313292A (nl) 1975-04-01

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