| 摘要 |
PROBLEM TO BE SOLVED: To avoid a trouble of causing a decrease in the number of patterns of acquiring random numbers by a random number acquisition means by making the counting cycle of random number counter non-synchronous with the interruption cycle of the random number acquisition means in the differentiation of both the cycles. SOLUTION: A control part 10 of a slot machine 1 is provided with the random number counter 13 for updating the random numbers at a prescribed counting cycle, the random number acquisition means 10a for acquiring the random numbers from the random number counter 13 at a prescribed interruption cycle and a lottery determining means 10c which collates the random numbers acquired by the random number acquisition means 10a with a lottery table 10b in a lottery to judge the result of the lottery. The counting cycle of the random number counter 13 and the interruption cycle of the random number acquisition means 10a are set avoiding a virtually synchronous range in which the decrease is caused in the number of patterns of acquiring random numbers of the random number acquisition means 10a. COPYRIGHT: (C)2007,JPO&INPIT
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