发明名称 Speaker diaphragm and speaker
摘要 A speaker diaphragm according to an embodiment of the present invention includes a substrate and a surface material. The surface material is arranged on one side of the substrate, and includes a woven fabric of a polyethylene naphthalate fiber.
申请公布号 US2007235251(A1) 申请公布日期 2007.10.11
申请号 US20070716119 申请日期 2007.03.09
申请人 ONKYO CORPORATION 发明人 ONO YUSHI
分类号 H04R7/00 主分类号 H04R7/00
代理机构 代理人
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