| 摘要 |
PROBLEM TO BE SOLVED: To detect the illegal opening/closing of an opening/closing door and/or a game board body and return the machine to the state capable of detecting the illegal opening/closing of the opening/closing door or the game board body again 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 101, and the game board body has a moving member 1 moving with the opening/closing movement of the opening/closing door 9 and/or the game board body, a position detecting sensor 2 detecting the position of the moving member 1 and detecting whether the moving member is present in a home position or a moved position, an electrical returning driving member 3 electrically returning the moving member 1 having moved to the home position, and a determination circuit determining the opening/closing of the opening/closing door and/or the game board body based on the output of the position detecting sensor 2. COPYRIGHT: (C)2010,JPO&INPIT
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