| 摘要 |
PROBLEM TO BE SOLVED: To prevent light from leaking from a part of the periphery of the shielding member, when shielding the subject to be shielded with a shielding member. SOLUTION: The game board which provides a performance unit capable of implementing performance with light emission, and a shielding member which is disposed in front of the performance unit and moves between the shielding position where the performance implemented by the performance unit is shielded from the player and the open position where the performance is visible from the player, has a feature of providing a leaking prevention means to prevent light from the performance unit from leaking from a part of periphery of the shielding member, when the shielding member is at the shielding position. COPYRIGHT: (C)2008,JPO&INPIT
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