| 发明名称 |
ACOUSTIC TUNNEL |
| 摘要 |
The invention concerns an acoustic tunnel formed by a cylindrical element placed at the rear of the loudspeaker, having at its front end lateral extensions whereof one of the faces is fixed on the loudspeaker frame and the other face is fixed on the enclosure.
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| 申请公布号 |
WO9934641(A1) |
申请公布日期 |
1999.07.08 |
| 申请号 |
WO1998FR02874 |
申请日期 |
1998.12.24 |
| 申请人 |
WATERFALL (S.A.R.L.);AUBRIOT, CEDRIC |
发明人 |
AUBRIOT, CEDRIC |
| 分类号 |
H04R1/02;H04R1/28;(IPC1-7):H04R1/28;B60R11/02 |
主分类号 |
H04R1/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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