BE356061A - - Google Patents

Info

Publication number
BE356061A
BE356061A BE356061DA BE356061A BE 356061 A BE356061 A BE 356061A BE 356061D A BE356061D A BE 356061DA BE 356061 A BE356061 A BE 356061A
Authority
BE
Belgium
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 BE356061A publication Critical patent/BE356061A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephone Set Structure (AREA)
BE356061D 1926-02-06 BE356061A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE33672D DE543479C (de) 1926-02-06 1926-02-06 Selbstkassierende Fernsprechstelle

Publications (1)

Publication Number Publication Date
BE356061A true BE356061A (xx)

Family

ID=7076334

Family Applications (2)

Application Number Title Priority Date Filing Date
BE332329D BE332329A (xx) 1926-02-06
BE356061D BE356061A (xx) 1926-02-06

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE332329D BE332329A (xx) 1926-02-06

Country Status (3)

Country Link
BE (2) BE356061A (xx)
CH (1) CH120657A (xx)
DE (1) DE543479C (xx)

Also Published As

Publication number Publication date
CH120657A (de) 1927-08-01
BE332329A (xx)
DE543479C (de) 1932-02-11

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