发明名称 MANUFACTURE OF DIAPHRAGM FOR DYNAMIC ELECTRICITYYSOUND CONVERTER
摘要 PURPOSE:To reinforce the center part of the diaphragm by holding the organic resin of the 3-dimensional netlike structure containing continuous pores into a cone shape and applying the electric plating to the organic resin, and thus to obtain a speaker which features the enhanced transient characteristics and the frequency characteristics.
申请公布号 JPS53142221(A) 申请公布日期 1978.12.11
申请号 JP19770057447 申请日期 1977.05.18
申请人 SUMITOMO ELECTRIC INDUSTRIES 发明人 KAMIJIYOU EIJI;NISHIMOTO TATSUYA
分类号 H04R7/02;H04R7/12 主分类号 H04R7/02
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