IC card system

Details IC card system IC card system

1986-10-17

1988-07-05

Trafton, David L.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235492, G06K 500

Patent

active

047556609

ABSTRACT:
An IC card system includes a memory, having a plurality of areas into which history data of transactions made with the use of an IC card is written, a detecting unit for calculating the number of available history data areas of plurality of data storage areas and display means provided in the IC terminal or IC card to clearly display that number as a remaining available data storage number.

REFERENCES:
patent: 4001550 (1977-01-01), Schatz
patent: 4367402 (1983-01-01), Giraud et al.
patent: 4575621 (1986-03-01), Dreifus

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