发明名称 |
Sound-producing device with acoustic waveguide |
摘要 |
A sound-producing device includes an acoustical generator associated with a rigid acoustical waveguide. The waveguide has a first section aligned with the exit and a second section aligned with the entry and the two sections are connected by a curved reflecting surface having the shape of part of a conic section surface.
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申请公布号 |
US2002029926(A1) |
申请公布日期 |
2002.03.14 |
申请号 |
US20010948662 |
申请日期 |
2001.09.10 |
申请人 |
VINCENOT ERIC;DEFFARGES FRANCOIS |
发明人 |
VINCENOT ERIC;DEFFARGES FRANCOIS |
分类号 |
H04R1/30;G10K11/28;H04R1/34;(IPC1-7):G10K11/00 |
主分类号 |
H04R1/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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