| 摘要 |
PROBLEM TO BE SOLVED: To achieve quick detection of a ball taken into a gated prize winning slot. SOLUTION: While a left gate body 6 and a right gate body 7 are kept open, the ball taken into a left gated prize winning slot 124 from the left gate body 6 smoothly pass to the right from the left through a left ball detection hole 82 and a left ball detector 9 immediately detects the balls taken into a left ball entry port 132 from the game area 13 on the spot. The ball taken into a right gated prize winning slot 125 from the right gate body 7 smoothly passes from the right to the left through a right detection hole 84 and a right ball detector 10 immediately detects the ball taken into a right ball entry port 133 from the game area 13 on the spot. COPYRIGHT: (C)2007,JPO&INPIT
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