| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction technique of a game machine effective for improving a player's expectation by improving an occurrence frequency of notification information involved in the winning of a lottery result. SOLUTION: A Pachinko machine 101 having a display device 120 on a game board 103 is so constituted, when occurring retention, as to emit a retention sound according to a variable display residual time of a symbol variation display displayed by the display device 120. COPYRIGHT: (C)2005,JPO&NCIPI
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