| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine producing a well balanced reproduction sound, transmitting sufficient volume sound effects to a player even in a noisy hall and preventing a fraudulent action. SOLUTION: A speaker 45 is attached to a resonance member 40 which forms a closed space S1 by being disposed inside a casing of the game machine 10, to be an acoustic reproduction means 31. The resonance member 40 separates, at least, left/right sides of the game devices 41-43 from a casing 11 mutually. COPYRIGHT: (C)2004,JPO&NCIPI
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