| 发明名称 |
SPEAKER DIAPHRAGM, SPEAKER, AND PRODUCTION METHOD OF SPEAKER DIAPHRAGM |
| 摘要 |
A speaker diaphragm (1) contains a material obtained by adding a cycloolefin polymer resin to a carbon fiber-reinforced liquid crystal polymer. The speaker diaphragm (1) having high sound velocity, a speaker (5), and a production method of the speaker diaphragm (1) can thereby be obtained.
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| 申请公布号 |
US2011284317(A1) |
申请公布日期 |
2011.11.24 |
| 申请号 |
US201013147511 |
申请日期 |
2010.02.19 |
| 申请人 |
MITANI TETSUO;MURAKAMI OSAMU;HARA MASASHI;FUJITA AKIHIRO;MITSUBISHI ELECTRIC CORPORATION |
发明人 |
MITANI TETSUO;MURAKAMI OSAMU;HARA MASASHI;FUJITA AKIHIRO |
| 分类号 |
H04R7/00;B29C45/70 |
主分类号 |
H04R7/00 |
| 代理机构 |
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