| 摘要 |
PROBLEM TO BE SOLVED: To prevent a fraud using a so-called 'sensory device' (a device formed by attaching a vibrating plate to an electronic metronome). SOLUTION: A win lottery means for executing a lottery process related to a game is provided with a plurality of winning determination tables. The win lottery means includes a random number generator generating random numbers for the lottery, a random number extractor extracting a random number generated by the random number generator based on a signal of a prescribed switch, a plurality of win determination tables storing a correspondence between a random number value related to a win and the win respectively, and a determination part determining win/failure of the random number value extracted by the random number extractor by referring to either of the plurality of win determination tables; and either of the plurality of win determination tables is randomly selected and referred by the determination part. COPYRIGHT: (C)2008,JPO&INPIT
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