| 摘要 |
PROBLEM TO BE SOLVED: To detect a fraudulent action by a so-called body sensor and to prevent it. SOLUTION: The game machine is provided with: a time interval measurement part for measuring the generation interval of the output signals of a start switch; a monitoring part for comparing the generation interval of the output signals measured in the time interval measurement part with the previously measured generation interval and detecting that the output signals of the switch are generated repeatedly at the same or similar generation interval on the basis of the compared result; and a reporting part for reporting that effect when it is detected that the output signals of the switch are generated repeatedly at the same or similar generation interval in the monitoring part. By reporting an error when the start switch is pressed at the same timing mechanically, the fraudulent action is prevented. COPYRIGHT: (C)2008,JPO&INPIT
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