IC CARD, IC CARD PROCESSOR, AND DEPOSIT CARD SYSTEM

摘要

PROBLEM TO BE SOLVED: To make an IC card easy for a user to use while lightening the economic burden on the issuer.

SOLUTION: When use information stored in a use information storage part 103 of the IC card 100 meets a preset reduction condition, for example, a control circuit 104 adds amount information corresponding to deposit information to balance information stored in a balance storage part 101 on the basis of the deposit information stored in a deposit storage part 102.

COPYRIGHT: (C)2003,JPO