FR865034A - Device applicable to coin or token telephones for the control of communication charges of different values - Google Patents

Device applicable to coin or token telephones for the control of communication charges of different values

Info

Publication number
FR865034A
FR865034A FR865034DA FR865034A FR 865034 A FR865034 A FR 865034A FR 865034D A FR865034D A FR 865034DA FR 865034 A FR865034 A FR 865034A
Authority
FR
France
Prior art keywords
token
coin
telephones
control
different values
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 FR865034A publication Critical patent/FR865034A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
FR865034D 1938-12-10 1940-04-18 Device applicable to coin or token telephones for the control of communication charges of different values Expired FR865034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215254X 1938-12-10

Publications (1)

Publication Number Publication Date
FR865034A true FR865034A (en) 1941-05-12

Family

ID=5823036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865034D Expired FR865034A (en) 1938-12-10 1940-04-18 Device applicable to coin or token telephones for the control of communication charges of different values

Country Status (3)

Country Link
CH (1) CH215254A (en)
FR (1) FR865034A (en)
NL (1) NL52169C (en)

Also Published As

Publication number Publication date
NL52169C (en)
CH215254A (en) 1941-06-15

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