发明名称 DIAPHRAGM FOR LOUDSPEAKERS
摘要 The present invention is directed to a diaphragm for loudspeakers which is integrally constructed through the combination of a core material being formed as a disc-shaped solid construction through the independent or series of combination of a plurality of flat-plate pieces and disc-shaped skin materials each being approximately equal in diameter on the top face and the bottom face of disc-shaped core material, the core material and skin materials being made of either boron or beryllium, thus resulting in the higher efficiency, wider zone and lower distortion of the loudspeakers.
申请公布号 DE3379210(D1) 申请公布日期 1989.03.23
申请号 DE19833379210 申请日期 1983.03.15
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 TAKEUCHI, HIROSHI;MARUNO, YOSHIAKI
分类号 H04R7/10;(IPC1-7):H04R7/10 主分类号 H04R7/10
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