| 摘要 |
<p>PROBLEM TO BE SOLVED: To allow detection of fraudulence caused by nail adjustment since a manager or the like of a game parlor has adjusted nails to raise a prize winning rate to increase speculative mind in a game machine designed to change the prize winning rate according to arrangement and posture of nails erected in a game area.SOLUTION: In a Pachinko machine 50, when the number of times when a ball enters a first start pocket reaches 100-150 times per 10 minutes, an abnormality warning command is transmitted to a sub-integrated control device (S950) to perform warning operation. However, when the state continues for three times (S945: no), the game machine is brought into a game impossible state. Thus, not only a fraudulent act using electric waves and a magnet, dramatically increasing the number of winning times in a short time, and hence causing serious damage, but also fraudulence caused by nail adjustment for continuously increasing the number of winning times, which is less serious than such a fraudulent act, can be detected.</p> |
