发明授权
- 专利标题： Electro-acoustic transducer with plural piezoelectric film
- 专利标题（中）： 具有多个压电薄膜的电声换能器
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申请号： US461147申请日： 1983-01-26
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公开(公告)号： US4453044A公开(公告)日： 1984-06-05
- 发明人: Preston V. Murphy
- 申请人： Preston V. Murphy
- 申请人地址： CHX Geneva
- 专利权人： Lectret S.A.
- 当前专利权人： Lectret S.A.
- 当前专利权人地址： CHX Geneva
- 优先权： FRX8202530 19820209
- 主分类号： H04R17/00
- IPC分类号： H04R17/00
摘要：
An acoustic transducer having a plurality of piezoelectric polymer films spaced apart and mounted at their peripheries upon a hollow support member, and physically connected together at center portions such that the films are parallel to each other at the center portions and diverging from each other near the peripheries.
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