| 摘要 |
PROBLEM TO BE SOLVED: To expand the presentation by using magnetic fluid at a part of the presentation effect of the game machine. SOLUTION: A game machine 1 adds a game value when the pattern fluctuation display is stopped resulting in a prescribed stop state. The machine is formed and arranged in a way that its interior is visible from outside, contains inside a magnetic fluid 242, and is provided with a magnetic fluid display device 24 which the fluctuation of the magnetic fluid 242 is displayed by a magnetic field. The magnetic fluid display device 24 is provided with an irradiation device 246 which irradiates the magnetic fluid 242 with light. COPYRIGHT: (C)2008,JPO&INPIT
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