发明名称 Loudspeaker diaphragm
摘要 A loudspeaker diaphragm for converting fluctuating electric energy into acoustic energy is made of a composite of paper, fiber material, plastic, laminate, metal foil, or a combination of the afore-mentioned materials, and elastic plastic foam he composite may hereby be constructed of two or more layers depending on the requirement to be satisfied by the loudspeaker diaphragm.
申请公布号 US2005211499(A1) 申请公布日期 2005.09.29
申请号 US20050033443 申请日期 2005.01.11
申请人 SCHWARZENBERG HANS-JOSEF;GERKINSMEYER NORMAN 发明人 SCHWARZENBERG HANS-JOSEF;GERKINSMEYER NORMAN
分类号 B32B27/10;H04R7/10;H04R7/12;(IPC1-7):G10K13/00;H04R7/00 主分类号 B32B27/10
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