FR687885A - Perfectionnements aux appareils téléphoniques dits taxiphones - Google Patents

Perfectionnements aux appareils téléphoniques dits taxiphones

Info

Publication number
FR687885A
FR687885A FR687885DA FR687885A FR 687885 A FR687885 A FR 687885A FR 687885D A FR687885D A FR 687885DA FR 687885 A FR687885 A FR 687885A
Authority
FR
France
Prior art keywords
taxiphones
called
called taxiphones
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
English (en)
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 FR687885A publication Critical patent/FR687885A/fr
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)
FR687885D 1930-01-09 1930-01-09 Perfectionnements aux appareils téléphoniques dits taxiphones Expired FR687885A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR687885T 1930-01-09

Publications (1)

Publication Number Publication Date
FR687885A true FR687885A (fr) 1930-08-14

Family

ID=9026389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687885D Expired FR687885A (fr) 1930-01-09 1930-01-09 Perfectionnements aux appareils téléphoniques dits taxiphones

Country Status (1)

Country Link
FR (1) FR687885A (fr)

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