发明名称 |
PARALLEL FIELD EXCITATION PIEZOELECTRIC VIBRATOR FOR OVERTONE |
摘要 |
PURPOSE:To lower equivalent impedance by intensively exciting overtone vibrations of a desired order without increasing the depth size of electrodes and conversely weaken the electrical response for the vibrations of other orders. |
申请公布号 |
JPS5376696(A) |
申请公布日期 |
1978.07.07 |
申请号 |
JP19760152300 |
申请日期 |
1976.12.18 |
申请人 |
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发明人 |
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分类号 |
H03H9/02;H03H9/17;H03H9/19;H03H9/25;H03H9/56 |
主分类号 |
H03H9/02 |
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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