| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an IC card for easily analyzing the best customer of a user with every member store from settlement data regulated by a plurality of settlement standards. <P>SOLUTION: This IC card is an IC card used for a card settlement system, and is characterized by having a member store identification information storage area in a storage part 3 for storing member store identification information for identifying a member store, a cumulative information storage area in the storage part 3 for storing cumulative information including an integral amount integrated with a use amount and a use frequency, a cumulative information updating part 5 for updating the integral amount and the use frequency of the cumulative information storage part by adding the inputted use amount to the integral amount, a threshold value storage area in the storage part 3 for storing a threshold value, and a CPU 2 for comparing the cumulative information with the threshold value. <P>COPYRIGHT: (C)2003,JPO |
