| 摘要 |
PROBLEM TO BE SOLVED: To provide a roulette game machine and a wheel rotation control method thereof which make it hard to predict winning marks while enabling the further enjoyment of games. SOLUTION: When a ball B is thrown in, the number of revolutions of the wheel 23 is made changeable in the game and so, the relative speed of the ball housing grooves 24 of the wheel 23 and the ball B when the ball B is thrown in varies according to the number of revolutions of the wheel 23. As a result, it becomes hard to predict the number won by the ball B from the position of the wheel 23 with respect to the throwing position of the ball B thereby hindering the acquisition of tokens. In other words, this can improve the degree of the difficulty in games to enable the further enjoyment of games as compared with the roulette game machine in the prior art. COPYRIGHT: (C)2004,JPO
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