FR835813A - Prepayment telephone device - Google Patents

Prepayment telephone device

Info

Publication number
FR835813A
FR835813A FR835813DA FR835813A FR 835813 A FR835813 A FR 835813A FR 835813D A FR835813D A FR 835813DA FR 835813 A FR835813 A FR 835813A
Authority
FR
France
Prior art keywords
telephone device
prepayment telephone
prepayment
telephone
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telephon Apparat Fabrik E Zwietusch and Co
Original Assignee
Telephon Apparat Fabrik E Zwietusch and Co
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 by Telephon Apparat Fabrik E Zwietusch and Co filed Critical Telephon Apparat Fabrik E Zwietusch and Co
Application granted granted Critical
Publication of FR835813A publication Critical patent/FR835813A/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
    • H04M17/026—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
FR835813D 1937-08-18 1938-03-28 Prepayment telephone device Expired FR835813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937T0049069 DE702244C (en) 1937-08-18 1937-08-18 Coin operated telephone

Publications (1)

Publication Number Publication Date
FR835813A true FR835813A (en) 1939-01-04

Family

ID=5774198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835813D Expired FR835813A (en) 1937-08-18 1938-03-28 Prepayment telephone device

Country Status (5)

Country Link
CH (1) CH202986A (en)
DE (1) DE702244C (en)
FR (1) FR835813A (en)
GB (1) GB496356A (en)
NL (1) NL51409C (en)

Also Published As

Publication number Publication date
NL51409C (en) 1941-11-15
GB496356A (en) 1938-11-29
CH202986A (en) 1939-02-15
DE702244C (en) 1941-02-03

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