| 摘要 |
PROBLEM TO BE SOLVED: To improve an illumination effect of a transparent game board. SOLUTION: This game board 10 of Pachinko machines 1 is constituted by mounting winning devices 14a and 14b, and the like on a translucent board 13 made of synthetic resin and, an ornamental sheet 18, or a translucent and synthetic resin sheet, provided with recessed/projecting part 18a, or a light diffusion part, and having an outer circumference shape modeling the outer circumference of the board 13 is attached to the back face of the board 13 so as to diffuse the light of a light emitting source (an LED 22) disposed at the back of the game board 10 by the light diffusion part and improve the illumination effect. The light diffusion part is the recessed/projecting part 18a, which can create a three-dimensional appearance, so as to improve an ornamental effect. COPYRIGHT: (C)2008,JPO&INPIT
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