发明名称 |
MULTI-LAYERED MEMBRANES CONSISTING OF A PLURALITY OF MATERIALS, FOR THE LOUDSPEAKER OF A HIGH FIDELITY LOUDSPEAKER CABINET |
摘要 |
<p>Loudspeaker diaphragm comprises a core, an outer skin and optionally an inner skin, where the core comprises a cut and hot-molded structural foam and the outer and inner skins comprise one or more layers of resin-impregnated woven or nonwoven fibers. Independent claims are also included for: (1) production of the diaphragm by polymerizing a sandwich material either by compression between a mold and countermold or a molding under vacuum at a temperature such that the resin is polymerized and a mechanically homogeneous structure is produced; (2) loudspeaker comprising a diaphragm as above; (3) speaker unit equipped with at least one loudspeaker as above.</p> |
申请公布号 |
EP1616457(A1) |
申请公布日期 |
2006.01.18 |
申请号 |
EP20040720899 |
申请日期 |
2004.03.16 |
申请人 |
FOCAL-JMLAB (SA) |
发明人 |
DE LA NOUVELLE, BRUNO;CHRETIEN, GERARD |
分类号 |
H04R7/12;H04R31/00;(IPC1-7):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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