| 摘要 |
PROBLEM TO BE SOLVED: To prevent an illegal action for generating many internal prize-winning in a special game, etc., which is performed by mounting an illegal board in a connection line between a start switch (165) and a main control means (200) and slightly delaying a signal from the start switch to be synchronized with a cycle with the random number counter of a lottery means (211). SOLUTION: A slot machine (100) is provided with a random number counter circuit (280) which incorporates a frequency dividing circuit (283) to changeover the frequency of a clock signal for a random number to be inputted to the random number counter (285) in the lottery means (211) which performs the lottery of prize-winning.
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