And gaming-chip system, setting medal, game medals, medal acceptance device, medal writing device

摘要

PPROBLEM TO BE SOLVED: To provide a game chip system, easily varying the value of a token in an arbitrary timing of a game parlor side by varying the token value per token using a setting token, a setting token, a game token, a token reception device and a token write device. PSOLUTION: A security flag is secured for a game IC token and a setting IC token, respectively, and collated with the flag state stored in a ROM to determine whether the IC token is an unused IC token or not (S15), whereby the used token can be surely discriminated and removed (S16, S17). In the used IC token, the security flag is put in the off-state (S22, S27). PCOPYRIGHT: (C)2006,JPO&NCIPI