发明名称 |
Speaker diaphragm and process for producing the same. |
摘要 |
<p>The present invention relates to a speaker diaphragm made of a thin carbon plate, as well as to a process for producing the diaphragm. More particularly, the present invention provides a speaker diaphragm made of a thin carbon plate, capable of reproducing a music source with good fidelity, as well as a process for producing said diaphragm.</p> |
申请公布号 |
EP0409144(A1) |
申请公布日期 |
1991.01.23 |
申请号 |
EP19900113612 |
申请日期 |
1990.07.16 |
申请人 |
NISSHINBO INDUSTRIES, INC. |
发明人 |
SAITO, KAZUO, C/O NISSHINBO INDUSTRIES, INC. |
分类号 |
C01B31/02;C04B35/524;H04R7/02;H04R31/00 |
主分类号 |
C01B31/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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