发明名称 |
Piezoelectric electroacoustic transducer |
摘要 |
A piezoelectric electroacoustic transducer is miniaturized and has a reduced frequency, and even when a diaphragm has a warp or winding, the resonance frequency is be stabilized. The piezoelectric electroacoustic transducer includes a substantially rectangular piezoelectric diaphragm flexurally vibrating in a thickness direction in response to the application of an alternating signal between electrodes and a casing for accommodating the piezoelectric diaphragm, wherein the casing is provided with supporting members for supporting four corners of the piezoelectric diaphragm.
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申请公布号 |
US2003015942(A1) |
申请公布日期 |
2003.01.23 |
申请号 |
US20020180002 |
申请日期 |
2002.06.26 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
TAKESHIMA TETSUO;NAKAMURA YOSHITAKA;TAJIMA KIYOTAKA |
分类号 |
G10K9/122;H01L41/053;H04R7/18;H04R17/00;(IPC1-7):H01L41/053 |
主分类号 |
G10K9/122 |
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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