发明名称 |
Piezo speaker pressure sensor |
摘要 |
A piezo speaker pressure sensor that includes a bladder and a piezo speaker element. The bladder abuts the piezo speaker element. A pressure may be sensed from the piezo speaker element proportional to a pressure exerted on the bladder in a direction of the piezo speaker element. The piezo speaker element functions as a speaker when audio signals are received by the piezo speaker element. |
申请公布号 |
US8243964(B2) |
申请公布日期 |
2012.08.14 |
申请号 |
US20080030535 |
申请日期 |
2008.02.13 |
申请人 |
EATON WILLIAM CHRIS;SONY MOBILE COMMUNICATIONS AB |
发明人 |
EATON WILLIAM CHRIS |
分类号 |
H04R25/00;H01L21/00;H01L29/84 |
主分类号 |
H04R25/00 |
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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