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
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
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