I C card system

Details I C card system I C card system

1987-06-11

1989-02-14

Pitts, Harold I.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235492, G06K 500

Patent

active

048048259

ABSTRACT:
An IC card system in which either an on-line transaction or an off-line transaction can be made by using an IC card. The IC card contains a memory for storing the data about every transaction made by using the IC card. Whenever an on-line transaction is made, the data about every off-line transaction previously made is read from the memory and then transferred to a host computer. Further, whenever the number of continuously performed off-line transactions becomes greater than a predetermined value, no further off-line transactions will be prohibited.

REFERENCES:
patent: 4650975 (1987-03-01), Kitchener
patent: 4755660 (1988-07-01), Nakano

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