| 发明名称 |
Speaker diaphragm and speaker using the diaphragm |
| 摘要 |
A speaker diaphragm outputting a voice with vibrations of a voice coil, includes a base substance and a polyethylene naphthalate fiber sheet laminated on the base substance. The polyethylene naphthalate fiber sheet includes a polyethylene naphthalate fiber impregnated with a resin and is formed like a sheet. <IMAGE> |
| 申请公布号 |
EP1513369(A3) |
申请公布日期 |
2005.12.21 |
| 申请号 |
EP20040020857 |
申请日期 |
2004.09.02 |
| 申请人 |
PIONEER CORPORATION;TOHOKU PIONEER CORPORATION |
发明人 |
TAKAYAMA, KOJI;HACHIYA, SATOSHI |
| 分类号 |
H04R7/02;B32B27/36;H04R7/12;H04R9/00 |
主分类号 |
H04R7/02 |
| 代理机构 |
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