| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine in which game media can smoothly be delivered to a discharge means. SOLUTION: When a tank empty switch is in an ON state continuously for more than one second, this game machine judges that no ball passes the tank empty switch within the one second and balls are not smoothly delivered upstream a place where the tank empty switch is set on. The game machine repeats ON/OFF to drive a vibration motor of a vibrator every 600 ms to actuate a vibration function to solve ball blocking. The intermittent vibration by the vibration function given to a delivery rail to deliver balls enables a delivery unit to smoothly deliver balls preventing balls in the delivery rail from being accustomed to the vibration because the vibration is intermittently given every 600 ms. COPYRIGHT: (C)2004,JPO
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