Process as safety concept against unauthorized use of a payment

Details Process as safety concept against unauthorized use of a payment Process as safety concept against unauthorized use of a payment

1994-01-18

1995-12-26

Evans, F. L.

Registers

Systems controlled by data bearing records

Credit or identification card systems

902 5, 902 27, G06K 500

Patent

active

054789931

ABSTRACT:
The process provides a staggered degree of security as a safety concept against unauthorized use of a transaction card for purchasing of items. The card has four memories memorizing an amount of money, a money installment and its limiting value, a number of usable transactions and its limiting value, further data for doing an identity check of the ownership of the cardholder and also an authenticity check. The card is usable at three different types of payment instruments with or without an identity check and/or an authenticity check.

REFERENCES:
patent: 4001550 (1977-01-01), Schatz
patent: B14001550 (1988-12-01), Schatz
patent: 4375032 (1983-02-01), Uchida
patent: 4442345 (1984-04-01), Mollier et al.
patent: 4837422 (1989-06-01), Dethloff et al.
patent: 4859837 (1989-08-01), Halpern
patent: 4963722 (1990-10-01), Takeuchi
patent: 5227612 (1993-07-01), Le Roux

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