| 摘要 |
PROBLEM TO BE SOLVED: To prevent fraudulent attempts wherein illegal electronic components are mounted on the connector and the harness, or are replaced with the illegal components. SOLUTION: A connector plug WHPC of the harness WH fitted into a connector socket PBCS of a board PBC is provided with an identification number memory part C-ROM for storing predetermined identification numbers. When receiving a signal, a CPU of the board PBC reads identification numbers out of the identification number memory part C-ROM to accept the signal only when the identification number coincides with the previously-stored identification number. If the identification number does not coincide with the previously-stored identification number, the CPU of the board PBC indicates with sounds, lights or the like that an illegal gadget X has been mounted. This can prevent the mounting of the illegal electronic components which may affect the result of the games. COPYRIGHT: (C)2007,JPO&INPIT
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