| 发明名称 |
DIAPHRAGM FOR CONDENSER MICROPHONE |
| 摘要 |
PURPOSE:To redue the losses in the floating capacity and sensitivity of a condenser microphone of electret type by raising the evaporated surface, which leads to an outer casing, to the upper surface of a film extending ring which is made of an insulated material. |
| 申请公布号 |
JPS5366726(A) |
申请公布日期 |
1978.06.14 |
| 申请号 |
JP19760142463 |
申请日期 |
1976.11.27 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
MIURA KENZOU |
| 分类号 |
H04R7/04;H04R19/00;H04R19/01;H04R19/04 |
主分类号 |
H04R7/04 |
| 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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