IC cards and information storage circuit therefor

Details IC cards and information storage circuit therefor IC cards and information storage circuit therefor

1988-05-13

1991-07-23

Trafton, David

Registers

Systems controlled by data bearing records

Credit or identification card systems

235379, 235492, G06K 500

Patent

active

050345974

ABSTRACT:
An IC card having a self-identification function in the card itself includes an input key for inputting a personal identification number (PIN), a comparator for comparing the PIN input via the input key with a prerecorded PIN. A transaction condition signal is produced when a match is found. An external terminal is provided for outputting to the outside of the card, e.g. a bank terminal, to enable a transaction using of the the card. An information storage circuit suitable for use in the IC card is also disclosed.

REFERENCES:
patent: 4105156 (1978-08-01), Dethloff
patent: 4747050 (1988-05-01), Brachtl et al.
patent: 4816653 (1989-03-01), Anderl et al.
patent: 4839506 (1989-06-01), Homma et al.

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