| 发明名称 |
Loudspeaker |
| 摘要 |
In a loudspeaker, the bead (5) is provided with a non-homogeneous layer (7) of a multiplicity of discrete fibre-shaped elastic particles (8). Advantages achieved: shape-stabilising effect during rolling movements, low weight, high efficiency, low cost, high sound quality. <IMAGE>
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| 申请公布号 |
DE3640264(A1) |
申请公布日期 |
1988.06.01 |
| 申请号 |
DE19863640264 |
申请日期 |
1986.11.25 |
| 申请人 |
EWD ELECTRONIC-WERKE DEUTSCHLAND GMBH;ELEKTROTECHNIK EHMANN GMBH |
发明人 |
THIELE,KARL-HEINZ,DIPL.-PHYS.;EHMANN,JUERGEN |
| 分类号 |
H04R7/20;(IPC1-7):H04R7/20 |
主分类号 |
H04R7/20 |
| 代理机构 |
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代理人 |
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| 主权项 |
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