发明名称 |
Speaker unit, speaker system, and speaker diaphragm manufacturing method |
摘要 |
The present invention provides a speaker unit comprising a diaphragm of 0.5 to 10 mm thick aromatic polycarbonate with a density of 0.03 to 0.6 g/cm3, and a mechanism for driving the diaphragm. The aromatic polycarbonate used for the diaphragm is preferably derived from bisphenol with a viscosity average molecular weight of 25,000 to 70,000. The invention further provides a speaker system comprising such a speaker unit attached to a cabinet and a method for manufacturing the speaker diaphragm.
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申请公布号 |
US2001050194(A1) |
申请公布日期 |
2001.12.13 |
申请号 |
US20000730742 |
申请日期 |
2000.12.07 |
申请人 |
JSP CORPORATION |
发明人 |
ISHIHARA YOSHIHISA;AOKI TAKESHI;IWASAKI SATOSHI;KAKUTA HIROTOSHI |
分类号 |
H04R7/02;C08G64/06;H04R7/00;(IPC1-7):H04R7/00;G10K13/00 |
主分类号 |
H04R7/02 |
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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