| 摘要 |
PROBLEM TO BE SOLVED: To realize the improvement of sound quality and good maintainability of a speaker provided in front of a game machine. SOLUTION: A box 104, the rear side of which is opened and closed by the attachment and detachment of a rear case 106, is provided on the rear side of the base 102 of a glass frame 22 forming the upper portion of the front of a pachinko machine 10. The speaker 30 is arranged in the box 104 and attached to the rear side 102B of the base 102. In the speaker 30 arranged in the hermetically sealed space in the box 104, since a hermetically sealed enclosure is formed of the box 104, the quality of output sounds is improved. Since the removal of the rear case 106 opens the rear side of the box 104 and exposes the speaker 30, maintainability is improved. COPYRIGHT: (C)2008,JPO&INPIT
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