发明名称 |
LOUDSPEAKER MEMBRANE AND METHOD FOR MANUFACTURING SUCH A MEMBRANE |
摘要 |
The invention relates to a loudspeaker membrane having a sandwich structure, having a central web separating two layers of material based on high-rigidity threads impregnated with a polymer resin, characterized in that the central web is formed from a layer of material based on oriented natural fibres that are impregnated with a polymer resin. |
申请公布号 |
EP2941903(B1) |
申请公布日期 |
2017.02.15 |
申请号 |
EP20130821890 |
申请日期 |
2013.12.24 |
申请人 |
FOCAL JMLab |
发明人 |
DE LA NOUVELLE, Bruno;HOSOI, Shintaro |
分类号 |
H04R7/12 |
主分类号 |
H04R7/12 |
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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