发明名称 |
DIAPHRAGM FOR SPEAKER |
摘要 |
PROBLEM TO BE SOLVED: To provide a speaker diaphragm superior in acoustic characteristics which comprises a resin layer reinforced with a cloth composed of fibers having a high strength and a high elasticity modulus. SOLUTION: The speaker diaphragm comprises a resin layer reinforced with a cloth which is composed of polyethylene naphthalate fibers. COPYRIGHT: (C)2005,JPO&NCIPI
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申请公布号 |
JP2005217716(A) |
申请公布日期 |
2005.08.11 |
申请号 |
JP20040021048 |
申请日期 |
2004.01.29 |
申请人 |
TEIJIN TECHNO PRODUCTS LTD |
发明人 |
OHORA KENJI;FURUKAWA MASATSUGU |
分类号 |
D03D1/00;H04R7/02;(IPC1-7):H04R7/02 |
主分类号 |
D03D1/00 |
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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