| 摘要 |
PROBLEM TO BE SOLVED: To detect the illegal locking of the key of an opening/closing door and/or a game board body even during night when power source is not supplied. SOLUTION: A game machine having an outer frame 101, the opening/closing door 9 arranged openably to the outer frame, and the game board body has a moving member 401 moving based on the locking movement of the key of the opening/closing door 9 and/or the game board body, a position detecting sensor 402 detecting the position of the moving member and detecting whether the moving member is present in a home position or in a moving position, a determination circuit determining the locking of the key of the opening/closing door 9 and/or the game board body based on the output of the position detecting sensor 402. COPYRIGHT: (C)2010,JPO&INPIT
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