| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine by which a game is made to be interesting by time for aiming at a prize-winning port. SOLUTION: The machine comprises a prize-winning device for port-opening the period prize-winning port fixed in advance with the hit ball detection signal of a hit ball detection sensor as a clue. The machine is provided with a time changing means for extending the time from the detection of the hit ball detection signal to the start of the opening operation of the prize-winning port based on establishment of a prescribed game condition (A04 and A08). COPYRIGHT: (C)2004,JPO&NCIPI
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