| 摘要 |
PROBLEM TO BE SOLVED: To provide a fraudulence prevention device which can surely detect the fraudulence even when a control board together with a board case is replaced with an illegally modified component. SOLUTION: The fraudulence prevention device 200 for game machines which has the main board case with the main control board for controlling the operation of a game machine PM housed and held inside a case and is mounted on the game machine PM is provided with a seal which sticks across a case body member and a case lid member with the main control board housed and held inside the case and has a management identification data proper to the main control board, an identification code detector 220 for detecting the management identification data on the seal, a determination part 233 which determines whether the management identification data is detected on the seal or not and a warning output part 234 which emits a warning signal when the determination part 233 determines that no management identification data are detected on the seal. COPYRIGHT: (C)2009,JPO&INPIT
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