Patent ID: 6230971
Filing Date: 2001-05-15
Classification: G06Q,G07F

Abstract:
A key control apparatus using an IC card having stored information including electronic money and an identification number, comprising:an IC card reader/writer which reads and writes the information of the IC card;an electronic money processor which processes the electronic money of the information stored in the IC card;an identification number storing unit which stores an identification number of the information stored in the IC card read by said IC card reader/writer;a key controller which controls locking and unlocking of a key;a collating unit which collates the identification number being stored in said identification number storing unit with an identification number read out from the IC card, whereinwhen locking the key, said IC card reader/writer reads the identification number of the information stored in the IC card;said identification number storing unit stores the identification number;said key controller locks the key, andwhen unlocking the key, said IC card reader/writer reads out the information of the identification number and electronic money in the IC card;said collating unit compares the identification number of the IC card entered into said IC card reader/writer with the identification number stored in said identification number storing unit;said electronic money processor subtracts the information of electronic money of the IC card when coinciding with the identification numbers; andsaid key controller unlocks the key after subtracting the information of electronic money.