The curd which the communication system and the card-to-type device, possesses

摘要

PROBLEM TO BE SOLVED: To provide a communication system for utilizing a traffic card prevented from an illegal use.;SOLUTION: In a card system provided with a card 100 having a radio communication part and capable of communicating with a card reader 200 and a radio base station 300 by different methods, the card reader 200 having a radio communication part and capable of communicating with the card 100 and the radio base station 300 by different methods and acquiring information stored in the card 100, the radio base station 300 for communicating with the card 100 and the card reader 200, a position registering server 400 for storing a communication area to which the card 100 and the card reader 200 belong, and an authentication server 500 for authenticating the card 100 and determining the usability of the card 100, the radio base station 300 transmits information indicating the usability of the card 100 existing in the communication area to which the radio base station 300 belongs to the card reader 200 existing in the area.;COPYRIGHT: (C)2005,JPO&NCIPI