[go: up one dir, main page]

FR686011A - Système téléphonique à prépaiement - Google Patents

Système téléphonique à prépaiement

Info

Publication number
FR686011A
FR686011A FR686011DA FR686011A FR 686011 A FR686011 A FR 686011A FR 686011D A FR686011D A FR 686011DA FR 686011 A FR686011 A FR 686011A
Authority
FR
France
Prior art keywords
telephone system
prepaid telephone
prepaid
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
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.)
Compagnie des Telephones Thomson Houston
Original Assignee
Compagnie des Telephones Thomson Houston
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 Compagnie des Telephones Thomson Houston filed Critical Compagnie des Telephones Thomson Houston
Application granted granted Critical
Publication of FR686011A publication Critical patent/FR686011A/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)
FR686011D 1929-03-02 1929-03-02 Système téléphonique à prépaiement Expired FR686011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR686011T 1929-03-02

Publications (1)

Publication Number Publication Date
FR686011A true FR686011A (fr) 1930-07-21

Family

ID=9025295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR686011D Expired FR686011A (fr) 1929-03-02 1929-03-02 Système téléphonique à prépaiement

Country Status (1)

Country Link
FR (1) FR686011A (fr)

Similar Documents

Publication Publication Date Title
FR677217A (fr) Téléphone haut-parleur électrostatique
FR686011A (fr) Système téléphonique à prépaiement
FR668876A (fr) Système de fermoir
FR647858A (fr) Système téléphonique
DK45842C (da) Tælleanordning til Telefonsystemer.
FR678478A (fr) Système d'auto-touage
AT126867B (de) Automatisches Telephonsystem.
DK42822C (da) Telefonhviskeapparat.
FR681501A (fr) Système de turbine
DK45835C (da) Anordning ved Telefonanlæg.
DK46755C (da) Hel- eller halvautomatisk Telefonsystem.
FR694420A (fr) Système de comptabilité à feuilles volantes
DK45255C (da) Telefonanlæg med Højttalere.
FR706545A (fr) Système téléphonique à haute fréquence
ES113828A1 (es) Cruce de vías.
FR700138A (fr) Livre de comptabilité
FR671524A (fr) Système de classeur
FR655295A (fr) Système téléphonique à comptage multiple
GR2434B (el) Συσκευη οπτικων προβολων.
GR2305B (el) Ηλεκτρονομος ιδια δια τηλεφωνικας εγκαταστασεις.
DK42746C (da) Højttaler.
DK41929C (da) Lysbilledreklameapparat.
ES112808A1 (es) Un imano-electro.
ES114095A1 (es) Perfeccionamientos en aparatos fotográficos.
ES112519A1 (es) Perfeccionamientos en aparatos fotográficos.