| 摘要 |
PROBLEM TO BE SOLVED: To prevent a neighbor game player from looking at a display screen during ready-to-win. SOLUTION: A game machine 1 is equipped with a liquid crystal display (LCD) 11 displaying images such as a plurality of special patterns constituted by numerical character and markings as elements, a right speaker 21 and left speaker 22 outputting voice and sound, and a directional speaker 23 outputting voice and sound with high directivity. The LCD 11 carries out the fluctuation display of the special patterns, thereafter the right speaker 21, the left speaker 22, and the directional speaker 23 output sound effect (fluctuation display sound effect) interlocking with the fluctuation display. However, only the directional speaker 23 outputs the fluctuation display sound effect when the jackpot expectation value of a pattern fluctuation pattern during a fluctuation display is a predetermined value (for example 70%) or more. Consequently, the players of the game machine arranged in both adjacent sides of the game machine 1 do not find out the ready-to-win even though the ready-to-go in which the jackpot expectation value is the predetermined value (70%) or more is generated in the game machine 1. COPYRIGHT: (C)2007,JPO&INPIT
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