| 摘要 |
PROBLEM TO BE SOLVED: To provide a Pachinko game machine capable of correctly managing the rotating position of a sprocket 457 even when affected by noise. SOLUTION: When the rotating position of the sprocket 457 is the rotating position unrelated to the fixed position of the sprocket 457, that is when it is a fixed position judgement skip state, detection signals from a rotating angle switch 505 are affected by noise by the static discharge of game balls, and even when judging that the rotating angle switch 505 has detected a detection notch 501 provided on the outer peripheral part of a detection disc 500 in judgement in a step S402 in rotating angle switch history preparation processing, skip judgement time becomes valid, the fixed position judgement of the sprocket 457 is not performed, and thus the rotating position of the sprocket 457 is not set as the fixed position of the sprocket 457. Thus, the rotating position of the sprocket 457 is correctly managed even when affected by the noise. COPYRIGHT: (C)2008,JPO&INPIT
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