发明名称 PIEZOELECTRIC MICROPHONE
摘要 <p>Piezoelectric microphone (10) with improved audio characteristics. The microphone (10) has a transducer membrane (15) comprising a piezoelectric layer (20) and the improved audio characteristics are achieved because the transducer membrane (15) has an essentially triangular shape.</p>
申请公布号 WO2004105427(A1) 申请公布日期 2004.12.02
申请号 WO2004SE00782 申请日期 2004.05.21
申请人 EHRLUND, GOERAN 发明人 EHRLUND, GOERAN
分类号 H04R1/46;H04R17/02;(IPC1-7):H04R17/02 主分类号 H04R1/46
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