发明名称 |
Sound generator (source) having a piezoelectric transducer |
摘要 |
The sound generator comprises a disc-shaped piezoelectric transducer which adjoins on both sides one resonance chamber each of which are provided with sound exit openings. The piezoelectric transducer can be bonded onto a diaphragm and consist of a plurality of regions connected electrically in series.
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申请公布号 |
DE3135096(A1) |
申请公布日期 |
1982.09.09 |
申请号 |
DE19813135096 |
申请日期 |
1981.09.04 |
申请人 |
APPARATEBAU WILHELM HEIBL GMBH |
发明人 |
RUDNICK,LUTZ;SIMON,HELMUT |
分类号 |
G10K9/122;H04R1/22;H04R17/10;(IPC1-7):B06B1/06;G10K11/02;H01L41/08 |
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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