FR731407A - Control device for prepaid telephone set - Google Patents

Control device for prepaid telephone set

Info

Publication number
FR731407A
FR731407A FR731407DA FR731407A FR 731407 A FR731407 A FR 731407A FR 731407D A FR731407D A FR 731407DA FR 731407 A FR731407 A FR 731407A
Authority
FR
France
Prior art keywords
control device
telephone set
prepaid telephone
prepaid
control
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.)
LE TAXIPHONE
Original Assignee
LE TAXIPHONE
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 LE TAXIPHONE filed Critical LE TAXIPHONE
Application granted granted Critical
Publication of FR731407A publication Critical patent/FR731407A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M17/00Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02Coin-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)
FR731407D 1932-02-15 1932-02-15 Control device for prepaid telephone set Expired FR731407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR731407T 1932-02-15

Publications (1)

Publication Number Publication Date
FR731407A true FR731407A (en) 1932-09-02

Family

ID=9118163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731407D Expired FR731407A (en) 1932-02-15 1932-02-15 Control device for prepaid telephone set

Country Status (1)

Country Link
FR (1) FR731407A (en)

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