| 摘要 |
PROBLEM TO BE SOLVED: To adjust tone if needed by improving the sound quality of output sound output from an installed acoustic device. SOLUTION: The insulator 1 improves the quality of sound output from the installed acoustic device and adjusts tone if needed by appropriately changing acoustic ball 4 to an acoustic ball of different material quality because vibrations from the acoustic device transfer to the acoustic ball 4 through an acrylic upper 2 and an upper plate 3 by mounting a support target plane of the acoustic device on the top face 25 of the acrylic upper 2 to support the acoustic device so that the vibrations transferred to the acoustic ball 4 may be absorbed in accordance with the material quality of the acoustic ball 4, that the acoustic ball 4 vibrates in an undamped natural frequency due to the transfer of the vibrations to the acoustic ball 4, and that the vibrations of the undamped natural frequency transfers to the acoustic device through the upper plate 3 and the acrylic upper 2 to be added to a sound output of the acoustic device. COPYRIGHT: (C)2009,JPO&INPIT
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