Consumable credit card

Details Consumable credit card Consumable credit card

1976-12-03

1978-08-01

Cook, Daryl W.

Registers

Records

Laminated

235492, G06K 1902, G06K 1906

Patent

active

041045157

ABSTRACT:
A consumable credit card is provided which comprises a recording device that is adapted to receive progressively advancing recording up to a limit at which time the card is consumed and thereafter is discarded. The card is adapted to be inserted into a reader which accepts, reads and advances the indication on the credit card or reading to indicate an additional use until the credit card is expended and the reader no longer allows the item or service to be dispensed because the credit card has been expended. This credit card employs tapered resistor technology in order to store a permanent record of expended credit and advance same upon energization of the tapered resistor element residing in the device. Methods of employing this device in billing systems are also disclosed.

REFERENCES:
patent: 3542180 (1970-11-01), Segal
patent: 3873813 (1975-03-01), Lahr et al.
patent: 3935933 (1976-02-01), Tanaka et al.
patent: 3959630 (1976-05-01), Hogberg

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