| 摘要 |
PROBLEM TO BE SOLVED: To eliminate disadvantage in a game player at the time of prize- winning within a prescribed period in spite of service interruption and to prevent the reduction of pleasure in a game by enabling detecting a prize-winning ball during the prescribed period from a service interruption occurrence time. SOLUTION: When a service interruption state is detected by a power source monitoring means 1620, a safe ball storage part I enables detecting the prize- winning ball by a safe sensor 830 for the prescribed period till a timer 1630 counts-up. A safe ball storage means 1610 decides a time number for processing the discharge of prize balls for the portion of the cumulative value of the prize- winning game balls and also stores the value. A prize-winning ball number display means 1670 and a discharge residual ball existence display means 1680 are connected to the safe ball storage means 1610 with a display equipment driving source 1660. The power source monitoring means 1620 permits a prize ball controller to supply a power source voltage required for control at the time of power interruption by an auxiliary power source part 1640 when the power interruption state is detected. |
