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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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