发明名称 |
PRODUCTION OF PIEZOELECTRIC MICROPHONE |
摘要 |
PURPOSE:To improve the massproducibility of a piezoelectric microphone by punching out the outer peripheral portion to produce a microphone unit, after a piezoelectric film of high molecular material is adhered to one side of a frame plate, and by forming the unit into a curved shape. |
申请公布号 |
JPS53137127(A) |
申请公布日期 |
1978.11.30 |
申请号 |
JP19770052263 |
申请日期 |
1977.05.07 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
IBARAKI SATORU;YAMAMOTO HIROSHI |
分类号 |
H04R17/02;H04R17/00 |
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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