FR836836A - Process for the operation of a telephone installation or / and of telephone broadcasting by wire, and remote transmission installation for the application of the method - Google Patents

Process for the operation of a telephone installation or / and of telephone broadcasting by wire, and remote transmission installation for the application of the method

Info

Publication number
FR836836A
FR836836A FR836836DA FR836836A FR 836836 A FR836836 A FR 836836A FR 836836D A FR836836D A FR 836836DA FR 836836 A FR836836 A FR 836836A
Authority
FR
France
Prior art keywords
telephone
installation
wire
application
remote transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Gottfried Maag
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 FR836836A publication Critical patent/FR836836A/en
Expired legal-status Critical Current

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)
  • Meter Arrangements (AREA)
FR836836D 1934-01-07 1938-04-19 Process for the operation of a telephone installation or / and of telephone broadcasting by wire, and remote transmission installation for the application of the method Expired FR836836A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM126116D DE662775C (en) 1934-01-07 1934-01-07 Coin telephones, in which counting devices are set by inserting coins and by power pulses transmitted by the exchange

Publications (1)

Publication Number Publication Date
FR836836A true FR836836A (en) 1939-01-26

Family

ID=7330925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836836D Expired FR836836A (en) 1934-01-07 1938-04-19 Process for the operation of a telephone installation or / and of telephone broadcasting by wire, and remote transmission installation for the application of the method

Country Status (3)

Country Link
BE (1) BE427614A (en)
DE (1) DE662775C (en)
FR (1) FR836836A (en)

Also Published As

Publication number Publication date
DE662775C (en) 1938-07-21
BE427614A (en)

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