| 发明名称 |
SPEAKER DIAPHRAGM, SPEAKER, AND METHOD FOR MANUFACTURING SPEAKER DIAPHRAGM |
| 摘要 |
A speaker diaphragm of the present invention is molded by paper-making molding, using not smaller than 5 wt % of fibers extracted from at least bamboo leaves. It is thereby possible to improve the rigidity of the speaker diaphragm, so as to realize a speaker diaphragm with low environmental load, reducible cost and high sound quality.
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| 申请公布号 |
US2011007931(A1) |
申请公布日期 |
2011.01.13 |
| 申请号 |
US20090921231 |
申请日期 |
2009.07.23 |
| 申请人 |
PANASONIC CORPORATION |
发明人 |
JIN YOHEI;MIMURA KAZUYOSHI;MIZONE SHINYA;FUJII TORU |
| 分类号 |
H04R1/00;D21F13/00;G10K13/00 |
主分类号 |
H04R1/00 |
| 代理机构 |
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