| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of preventing fraudulence performed by replacing a detector. SOLUTION: Detection switches with different numbers of terminals are used as a start winning ball detection switch 21 for outputting a start winning ball detection signal, a special winning ball detection switch 31 for outputting a special winning ball detection signal and a general winning ball detection switch for outputting a general winning ball detection signal, and as a whole winning ball detection switch 51 for outputting a winning ball detection signal and an operation detection switch 61 for outputting an operation detection signal for an operation button. COPYRIGHT: (C)2006,JPO&NCIPI
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