| 发明名称 |
Loudspeaker system installed on an automobile door and including a woofer and a tweeter |
| 摘要 |
In a mobile loudspeaker system comprising a woofer and a tweeter. A resonance circuit is inserted in the network of the woofer so that the frequency characteristic of sound pressure inside the vehicle at a middle-frequency range is substantially flat.
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| 申请公布号 |
US5297212(A) |
申请公布日期 |
1994.03.22 |
| 申请号 |
US19890361662 |
申请日期 |
1989.05.31 |
| 申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
MURAYAMA, FUMIO;SUZUKI, TAKASHI |
| 分类号 |
H04R3/04;B60R11/02;H03G5/04;H03G5/16;H04R3/12;H04R3/14;(IPC1-7):H03G5/00 |
主分类号 |
H04R3/04 |
| 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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