| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved apparatus utilizing acoustic radiation. SOLUTION: The apparatus is provided as an integrated system with an acoustic device provided with a waveguide having a sound opening at one end facing the space, a sound source, and an acoustic driver provided on the other end of the waveguide and facing a listening area; and a structure for supporting the acoustic device, the sound source, and the acoustic driver. The acoustic driver and the opening portion of the waveguide face the direction substantially different from the structure. COPYRIGHT: (C)2005,JPO&NCIPI
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