NL44678C - - Google Patents

Info

Publication number
NL44678C
NL44678C NL44678DA NL44678C NL 44678 C NL44678 C NL 44678C NL 44678D A NL44678D A NL 44678DA NL 44678 C NL44678 C NL 44678C
Authority
NL
Netherlands
Application number
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.)
Publication of NL44678C publication Critical patent/NL44678C/xx

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
NL44678D 1935-11-14 NL44678C (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE490660X 1935-11-14

Publications (1)

Publication Number Publication Date
NL44678C true NL44678C (ja�@�@)

Family

ID=6544142

Family Applications (1)

Application Number Title Priority Date Filing Date
NL44678D NL44678C (ja�@�@) 1935-11-14

Country Status (4)

Country Link
BE (1) BE418363A (ja�@�@)
FR (1) FR813238A (ja�@�@)
GB (1) GB490660A (ja�@�@)
NL (1) NL44678C (ja�@�@)

Also Published As

Publication number Publication date
BE418363A (ja�@�@)
FR813238A (fr) 1937-05-28
GB490660A (en) 1938-08-16

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