发明授权
US09027699B2 Speaker diaphragm, speaker, and production method of speaker diaphragm
有权
扬声器隔膜,扬声器和扬声器隔膜的制作方法
- 专利标题: Speaker diaphragm, speaker, and production method of speaker diaphragm
- 专利标题(中): 扬声器隔膜,扬声器和扬声器隔膜的制作方法
-
申请号: US13147511申请日: 2010-02-19
-
公开(公告)号: US09027699B2公开(公告)日: 2015-05-12
- 发明人: Tetsuo Mitani , Osamu Murakami , Masashi Hara , Akihiro Fujita
- 申请人: Tetsuo Mitani , Osamu Murakami , Masashi Hara , Akihiro Fujita
- 申请人地址: JP Tokyo
- 专利权人: Mitsubishi Electric Corporation
- 当前专利权人: Mitsubishi Electric Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, McClelland, Maier & Neudtadt, L.L.P.
- 优先权: JP2009-039601 20090223
- 国际申请: PCT/JP2010/052500 WO 20100219
- 国际公布: WO2010/095704 WO 20100826
- 主分类号: G10K13/00
- IPC分类号: G10K13/00 ; H04R7/12 ; H04R31/00
摘要:
A speaker diaphragm contains a material obtained by adding a cycloolefin polymer resin to a carbon fiber-reinforced liquid crystal polymer. The speaker diaphragm having high sound velocity, a speaker, and a production method of the speaker diaphragm can thereby be obtained.