Patent ID: 6345263
Filing Date: 2002-02-05
Classification: G06Q,G07F

Abstract:
An electronic purse application system comprising:an IC card which stores electronic money information and non-age/non-birth-date ID data and encryption key information for decrypting encrypted data which constitute at least one of a video, audio, and data signal; a receiver which receives transmitted encrypted information and corresponding standard age information for judging approval or disapproval of selling encrypted digital information data; a line controller which transmits said non-age/non-birth-date ID data stored in said IC card to a center and receives age information corresponding to transmitted said non-age/non-birth-date ID data; a processor which judges approval or disapproval of selling of said encrypted data on a basis of said age information received by said line controller and said standard age information received by said receiver, and balance of said money information stored in said IC card and the price information of said encrypted data, and subtracts a selling price of purchased information data from said electronic money information of said IC card; and a decoder which decrypts said encrypted data using said encryption key data stored in said IC card when said processor decides approval of selling of said encrypted data.