Patent ID: 6805296
Filing Date: 2004-10-19
Classification: G06Q,G07F

Abstract:
A method of changing an integrated circuit (IC) card-holder's information in an IC card system including a center apparatus and an IC card having stored therein card-holder's information comprising a plurality of information items for identification, said method comprising:providing a storage area in said IC card for storing change-allowance-information indicative of whether a change request can be processed; receiving a new change request for changing a present content of one or more of said plurality of information items for identification; checking said change-allowance-information to determine whether the new change request can be processed; rejecting said new change request if said change-allowance-information indicates change in progress; if said change-allowance-information indicates no change is in progress: changing said change-allowance-information to indicate change in progress; receiving and storing in said IC card new content for said one or more of the plurality of information items for identification in accordance with said new change request; transmitting said new content to said center apparatus; updating in said center apparatus one or more of a plurality of information items corresponding to said one or more of the plurality of information items for identification in said IC card with said new content; and changing said change-allowance-information to indicate no change is in progress.