| 摘要 |
PROBLEM TO BE SOLVED: To prevent a cheating action of fraudulently changing a setting value. SOLUTION: To a casing 11 of a slot machine 10, a front surface door 12 is pivoted. Inside the casing 11, a power supply box 29 for changing the setting value and a first blowing unit 42 are provided. A second blowing unit 51 is provided on the inner surface of the front surface door 12. When the power supply box 29 is operated and the operation mode of the slot machine 10 is shifted to a setting change mode, the first and second blowing units 42 and 51 are operated. A strong wind is blown from the first and second blowing units 42 and 51 to a dodger positioned in front of the casing 11. Thus, since it can be reported to the surroundings that the cheating action is being conducted, the cheating action is prevented. COPYRIGHT: (C)2011,JPO&INPIT
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