发明名称 Composite loudspeaker cone
摘要 Composite loudspeaker cones that include an interstitial layer of material having a core density below 600 kg/m3 and a Young's modulus greater than 0.2 GPa, such as balsa wood, interposed between a first carbon fiber layer and a second carbon fiber layer and method of making same.
申请公布号 US8320604(B1) 申请公布日期 2012.11.27
申请号 US20080108053 申请日期 2008.04.23
申请人 VANDERSTEEN RICHARD;LATVIS, JR. MICHAEL P. 发明人 VANDERSTEEN RICHARD;LATVIS, JR. MICHAEL P.
分类号 H04R1/00;B29C47/00;H04R7/00;H04R9/06;H04R11/02;H04R25/00 主分类号 H04R1/00
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