| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine frame unit for detecting a suspension state of game balls discharged by a prize ball discharge unit while playing a game smoothly, and also preventing losses of a player by quick error notification. SOLUTION: The game machine frame unit has a game machine frame for incorporating a game board and a prize ball discharge unit 100 freely removably attached to the game machine frame. The prize ball discharge unit 100 includes: a supply passage 120 in which game balls 23 pass; a ball guide member 141 for passing the game balls 23 one by one; a stay detecting means 130 for detecting a state that the plurality of game balls stay in the supply passage 120; and a ball presence detecting means 108 for detecting whether or not the game balls 23 are in the supply passage 106. Prior to first error processing based on a result of detection by the ball presence detecting means 108, second error processing based on a result of detection by the stay detecting means 130 is performed. COPYRIGHT: (C)2011,JPO&INPIT
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