| 发明名称 |
PIEZOELECTRIC AUDIBLE SOUND GENERATOR |
| 摘要 |
<p>A PIEZOELECTRIC AUDIBLE SOUND GENERATOR A piezoelectric audible sound generator having a feedback type piezoelectric transducer, an amplifier, and a phase compensator for adjusting the phase shift due to the combination of a bias resistance of the amplifier and equivalent capacitance of the piezoelectric transducer.</p> |
| 申请公布号 |
CA1160730(A) |
申请公布日期 |
1984.01.17 |
| 申请号 |
CA19810373769 |
申请日期 |
1981.03.18 |
| 申请人 |
FUJI ELECTROCHEMICAL CO., LTD. |
发明人 |
TORII, MICHIHIRO;HIRUKAWA, KOHEI;URATA, HIROSHI;SUZUKI, SHINICHI |
| 分类号 |
H04R3/00;H04R17/10;(IPC1-7):H04R3/00 |
主分类号 |
H04R3/00 |
| 代理机构 |
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