FR380453A - Perfectionnements dans les appareils téléphoniques à payement préalable fonctionnant par l'introduction de pièces de monnaie
- Google Patents
Perfectionnements dans les appareils téléphoniques à payement préalable fonctionnant par l'introduction de pièces de monnaie
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.)
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LIVERMORE PAY STATION Co
Original Assignee
LIVERMORE PAY STATION Co
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Publication date
Application filed by LIVERMORE PAY STATION CofiledCriticalLIVERMORE PAY STATION Co
Application grantedgrantedCritical
Publication of FR380453ApublicationCriticalpatent/FR380453A/fr
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)
FR380453A1907-08-01Perfectionnements dans les appareils téléphoniques à payement préalable fonctionnant par l'introduction de pièces de monnaie
ExpiredFR380453A
(fr)