Card-operated telephone

Details Card-operated telephone Card-operated telephone

1988-06-28

1989-11-07

Lev, Robert

Telephonic communications

With check operated control

Other than coin

379 91, 379357, 235380, H04M 1702

Patent

active

048797448

ABSTRACT:
A telephone of the type that employs a magnetic card having a certain value or worth recorded thereon, and which permits a user to cummunicate by the telephone within the limits of the remaining value of the card, records a dialed number on the card when the card is used a first time, and automatically dials the recorded number when the card is subsequently used.

REFERENCES:
patent: 4587379 (1986-05-01), Masuda
patent: 4614861 (1986-09-01), Pavlov et al.
patent: 4759056 (1988-07-01), Akiyama
Weinsten "Smart Cards: The Answer to Cashless shopping" I.E.E.E. Spectrum 2/84, pp. 43-49.
Turbat "Telepayment & Electronic Money, The Smart Card" Commutation & Transmission p. 5, 12/82 pp. 11-20.

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