JPH1027206A5 - - Google Patents

Claims (13)

An electronic wallet fraud prevention system comprising an electronic wallet terminal device having an IC card for storing electronic money information and ID information, IC card read/write means for reading and writing information to the IC card, receiving means for receiving fraudulent ID information, recording means for recording the fraudulent ID information, and processing means for comparing the ID information with the fraudulent ID information, characterized in that if the output of the processing means indicates that the ID information has been recorded as fraudulent ID information, commercial transactions using the IC card will not be carried out. 2. An electronic wallet fraud prevention system according to claim 1, wherein said fraudulent ID information is transmitted by radio waves or light. An electronic wallet fraud prevention system comprising an electronic wallet terminal device having an IC card for storing electronic money information and ID information, IC card read/write means for reading and writing information from and to the IC card, receiving means for receiving fraudulent ID information, recording means for recording the fraudulent ID information, and processing means for comparing the ID information with the fraudulent ID information, characterized in that if the output of the processing means indicates that the ID information has been recorded as fraudulent ID information, commercial transactions using the IC card will not be carried out. 4. An electronic wallet fraud prevention system according to claim 3, wherein said fraudulent ID information is transmitted through a public line network. An electronic wallet fraud prevention system comprising an electronic wallet terminal device having an IC card for storing electronic money information and ID information, IC card read/write means for reading and writing information to and from the IC card, receiving means for receiving modulated fraudulent ID information, demodulating means for demodulating the fraudulent ID information, recording means for recording the demodulated fraudulent ID information, and processing means for comparing the ID information with the fraudulent ID information, characterized in that if the output of the processing means indicates that the ID information has been recorded as fraudulent ID information, commercial transactions using the IC card will not be carried out. 6. An electronic wallet fraud prevention system according to claim 5, wherein said fraudulent ID information is transmitted by radio waves or light. An electronic wallet fraud prevention system comprising an electronic wallet terminal device having an IC card for storing electronic money information and ID information, IC card read/write means for reading and writing information to and from the IC card, receiving means for receiving modulated fraudulent ID information, demodulating means for demodulating the fraudulent ID information, recording means for recording the demodulated fraudulent ID information, and processing means for comparing the ID information with the fraudulent ID information, characterized in that if the output of the processing means indicates that the ID information has been recorded as fraudulent ID information, commercial transactions using the IC card will not be carried out. 8. An electronic wallet fraud prevention system according to claim 7, wherein said fraudulent ID information is transmitted through a public line network. An electronic wallet fraud prevention system comprising an IC card having means for recording electronic money information, means for recording ID information, means for recording credit information, and processing means for determining the expiration date of the credit information, and an electronic wallet terminal device having IC card read/write means for reading and writing information to the IC card, characterized in that commercial transactions using the IC card are permitted only if the credit information is within its expiration date, based on the output of the processing means. An electronic wallet fraud prevention system comprising an IC card having means for recording electronic money information, means for recording ID information, means for recording credit information, and processing means for determining the expiration date of the credit information; an electronic wallet terminal having IC card read/write means for reading and writing information to the IC card , and sending/receiving means for sending and receiving the credit information; and characterized in that, based on the output of the processing means, commercial transactions using the IC card are permitted only if the credit information is within its expiration date. 11. An electronic wallet fraud prevention system according to claim 10, wherein said credit information is transmitted by radio waves or light. An electronic wallet fraud prevention system comprising an IC card having means for recording electronic money information, means for recording ID information, means for recording credit information, and processing means for determining the expiration date of the credit information; an electronic wallet terminal having IC card read/write means for reading and writing information to the IC card , and sending/receiving means for sending and receiving the credit information; and characterized in that, based on the output of the processing means, commercial transactions using the IC card are permitted only if the credit information is within its expiration date. 13. An electronic wallet fraud prevention system according to claim 12, wherein said fraudulent ID information is transmitted over a public line network.