| 摘要 |
PROBLEM TO BE SOLVED: To efficiently and effectively detect/announce a Pachinko game machine which has a risk of a fraudulent act or control the fraudulent act without hindering a player's game during the customer's game. SOLUTION: The game machine has a winning signal receiving section 301 which receives winning signals from a main board 201 every time when winning occurs, a winning interval measuring section 302 which keeps on sequentially measuring time until a new winning signal is received after the winning signal is received, a counter control section 305 which increases the counting value of a first counter 306 by one when measured time is shorter than a predetermined prescribed time and increases the count value of a second counter 307 by one when the measured time is longer than the prescribed time, an announcement signal generation section 308 which generates an announcement signal when the ratio between the counting values of the first counter 306 and the second counter 307 reaches a prescribed ratio. COPYRIGHT: (C)2008,JPO&INPIT
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