| 摘要 |
PROBLEM TO BE SOLVED: To provide a fraudulent electric wave detecting method and device for a Pachinko/Pachislo machines capable of finding the use of a fraudulent appliance such as a vibration generator in most halls. SOLUTION: This fraudulent electric wave detecting method and device detects an electric wave included in a specified frequency range estimated to be output from a device held by a fraudulent player from a hall inside in environment where the power supply of the hall including the power supplies for the Pachinko and Pachislo slot machines before opening the Pachinko and Pachislo slot hall and stores a signal level as a first signal level; and in environment where customers enter therein after opening the hall, detects electric wave included in the specified frequency range from the hall inside, stores it as a second signal level, and when a value obtained by subtracting the first signal level from the second signal level is a predetermined value or more, outputs an alarm. COPYRIGHT: (C)2006,JPO&NCIPI
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