| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To generate sound taking health into consideration, for example, soothing a listener's heart, improving the living environment of a listener, lessening living-environmental disease, and so on in a sound range of a sound emitted from at least a speaker-like acoustic vibration member. <P>SOLUTION: The speaker-like acoustic vibration member is constituted so that natural graphite silicate is mixed into thermosetting resin and the mixture is applied to the surface of a main body. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
