发明名称 |
Electronic device with electret electro-acoustic transducer |
摘要 |
An electronic device is provided. The electronic device includes a housing and an electro-acoustic transducer disposed on the inner surface of the housing. The electro-acoustic transducer includes an electret diaphragm, a conductive plate and at least one spacer. The electret diaphragm is positioned on the inner surface of the housing and has a film body and an electrode layer. The film body has static charges and the electrode layer is formed on the lower surface of the film body. The conductive plate has a plurality of openings and is stacked on the upper surface of the film body. The spacer is positioned between the electret diaphragm and the conductive plate to keep a predetermined distance therebetween.
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申请公布号 |
EP2182737(A1) |
申请公布日期 |
2010.05.05 |
申请号 |
EP20090169282 |
申请日期 |
2009.09.02 |
申请人 |
HTC CORPORATION |
发明人 |
LEE, FANG CHING;CHENG, YI TSUNG;HSIEH, CHIH CHAO |
分类号 |
H04R19/01 |
主分类号 |
H04R19/01 |
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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