| 摘要 |
PROBLEM TO BE SOLVED: To provide a pachinko machine that enables a player to enjoy pachinko peacefully and increases the interest of a game without causing doubt or misunderstanding of the player concerning the fairness of the incidence of big prize winning. SOLUTION: The pachinko machine provided with a main controller generates a random number periodically, which compares the value of the generated random number with a big prize-winning value in the case of entering of a game ball into a starting prize-winning port 14 on a panel surface 11, judges the coincidence of them to be big prize-winning and performs big prize-winning processing. In the pachinko machine, the main controller compares the value of the random number in the middle of generation with a big prize-winning value constantly and judges the coincidence/noncoincidence of them. A display 8 which is lighted whenever the main controller judges coincidence is arranged in the neighborhood of the port 14 on the surface 11 to visually confirm the actually incoming state of the chance of big prize-winning according to the probability of big prize-winning by lighting of the display 8.
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