| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology capable of immediately uncovering a fraudulent act when a main control device is fraudulently replaced. SOLUTION: When a sensor command is not sent from the main control device 150 to a subcontrol device 111 in a predetermined period after the subcontrol device 111 confirms that an unlocking/locking sensor 27 for sensing unlocking/locking of a lock provided on the front door of a slot game machine senses locking/unlocking, the subcontrol device 111 communicates the accident to a speaker or the like. COPYRIGHT: (C)2009,JPO&INPIT
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