发明授权
- 专利标题： Speaker diaphragm and speaker including the same
- 专利标题（中）： 扬声器隔膜和扬声器包括相同
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申请号： US12070610申请日： 2008-02-20
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公开(公告)号： US08300875B2公开(公告)日： 2012-10-30
- 发明人: Toru Takebe , Kunihiko Tokura , Masaru Uryu , Takahisa Tagami , Emiko Ikeda
- 申请人： Toru Takebe , Kunihiko Tokura , Masaru Uryu , Takahisa Tagami , Emiko Ikeda
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Wolf, Greenfield & Sacks, P.C.
- 优先权： JP2007-041505 20070221
- 主分类号： H04R1/00
- IPC分类号： H04R1/00 ; H04R9/06 ; H04R11/02
摘要：
A speaker diaphragm includes a thermoplastic resin having a three-layer structure. The three-layer structure includes a polyester film as a base material of the three-layer structure, a polyimide-based resin layer as a top layer of the three-layer structure, and another polyimide-based resin layer as a bottom layer of the three-layer structure.
公开/授权文献
- US20080199028A1 Speaker diaphragm and speaker including the same 公开/授权日：2008-08-21