| 摘要 |
PROBLEM TO BE SOLVED: To prevent unfair reforming to enable to hit a large number of balls by judging whether a discharging interval is shorter than a prescribed value or not every time a ball is discharged and judging an abnormality when shorter to make a normal game impossible to be continued. SOLUTION: When an operation knob 5 is rotated, a Pachinko (Japanese pinball game) ball is discharged along a discharging rail 20 by a ball discharging device. A discharged ball detecting sensor 200 is equipped and a detecting signal of the discharge detecting sensor 200 is inputted into a discharge control circuit. Whether or not a discharge interval is shorter than a prescribed value is judged by the discharge detecting sensor 200 ever time a ball is discharged. When it is judged to be shorter, an abnormality is judged to have occurred. When an abnormality is judged, the game is made into a game impossible condition in which a normal game cannot be continued and the abnormality judged is informed on a variable display device 8 or the like.
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