发明名称 PRODUCTION OF DIAPHRAGM FOR DYNAMIC ELECTROOACOUSTIC TRANSDUCERS
摘要 PURPOSE:To facilitate production and achieve the reduction of cost as well as the improvement in extra-high-frequency range reproduction and performance by coating a liquid-form heat-resisting insulator on one side of a conductor foil forming the same to a film then forming a conductor circuit.
申请公布号 JPS5443015(A) 申请公布日期 1979.04.05
申请号 JP19770110252 申请日期 1977.09.12
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 FUJIMURA KATSUNORI;OONO MASAHARU;AOI TAKAHISA;ATOJI NOBUHISA
分类号 H04R9/00;H04R7/04;H04R9/04;H04R31/00 主分类号 H04R9/00
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