| 摘要 |
PROBLEM TO BE SOLVED: To provide a Pachinko game machine which enables the passage of the Pachinko balls through the specified passing region within the major prize winning slot at the fixed probability. SOLUTION: When a Pachinko ball wins any of the starter slots and any of starter slot switches 57, 58 and 59 is decided to have detected the winning (ST101:YES), the open/close door of the major prize winning slot is operated (ST103) under the condition that the valid flag is on (ST102:YES). During the operation of the open/close door of the major prize winning slot, the valid flag is turned off upon the winning of the major prize winning slot with the Pachinko balls but turned on when all of the Pachinko balls are gone from the major prize winning slot. COPYRIGHT: (C)2006,JPO&NCIPI
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