| 发明名称 |
MICROPHONE AND ITS MANUFACTURE |
| 摘要 |
<p>PURPOSE:To simplify the manufacture of a microphone by securing a prescribed relationship between the polarization direction of the piezoelectric high-molecule film for a microphone and the convex surface of the frame to which the highmolecule film is sticked.</p> |
| 申请公布号 |
JPS5333613(A) |
申请公布日期 |
1978.03.29 |
| 申请号 |
JP19760108608 |
申请日期 |
1976.09.09 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
ATOCHI NOBUHISA;SUGUNO HIROYUKI;YAMAMOTO HIROSHI;IBARAKI SATORU |
| 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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