发明名称 |
Passive system for speech enhancement |
摘要 |
A passive system for speech enhancement in a motor vehicle includes a headliner adapted to be disposed in an occupant compartment of the motor vehicle. The passive system also includes at least one passive sound reflector disposed in or near the headliner and being sound-reflective and shaped to direct or focus speech between front and rear seat occupants in the occupant compartment of the motor vehicle.
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申请公布号 |
US2002066618(A1) |
申请公布日期 |
2002.06.06 |
申请号 |
US20000728805 |
申请日期 |
2000.12.02 |
申请人 |
DAVIES DAFYDD GERAINT;HSUEH KENG D.;DIDYK PETER J. |
发明人 |
DAVIES DAFYDD GERAINT;HSUEH KENG D.;DIDYK PETER J. |
分类号 |
H04R1/34;(IPC1-7):H04R25/00 |
主分类号 |
H04R1/34 |
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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