| 摘要 |
PROBLEM TO BE SOLVED: To secure a proper degree of aleatory property in a pachinko game machine. SOLUTION: Lottery probability is changed in response to the value of probability change continuity counter (S20 and S21-1 to 21-N) and a probability change burst rate is changed (S14, S15 and S22). Then a big hit is prevented from being continuously obtained in a high probability state and also the high probability state is not excessively continued. Thus, balls are not discharged in surplus per unit time so that aleatory property is suppressed. COPYRIGHT: (C)2003,JPO
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