| 发明名称 |
PIEZPOOELECTRIC MICROPHONE AND ITS MANUFACTURE |
| 摘要 |
PURPOSE:To stabilize the characteristic and to contrive mass production, by holding the frame of flat spring plate, whose front and back faces are adhered with high molecular piezo-electric film attached with electrodes, between the curved guide plates. |
| 申请公布号 |
JPS5387215(A) |
申请公布日期 |
1978.08.01 |
| 申请号 |
JP19770001678 |
申请日期 |
1977.01.10 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NAONO HIROYUKI;IBARAKI SATORU;MATSUMOTO MICHIO;ATOJI NOBUHISA |
| 分类号 |
H04R17/02;H04R7/16;H04R17/00;H04R31/00 |
主分类号 |
H04R17/02 |
| 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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