| 发明名称 |
PIEZOOELECTROACOUSTIC CONVERTER |
| 摘要 |
PURPOSE:To lower impedance of a vibration diaphragm by imparting remarkable piezo effect without any polarization operation by use of a film having dispersed a specific electron transfer type complex compound as vibration diaphragm. |
| 申请公布号 |
JPS5324823(A) |
申请公布日期 |
1978.03.08 |
| 申请号 |
JP19760099161 |
申请日期 |
1976.08.18 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
TAMURA TOORU;OSHIMA NOBUYUKI;KONDOU SHIGERU;HASEGAWA HIROSHI |
| 分类号 |
H04R17/00;H01L41/08;H01L41/193;H04R17/04 |
主分类号 |
H04R17/00 |
| 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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