发明名称 |
SOUND TRANSDUCER AND MICROPHONE USING SAME |
摘要 |
Provided is an acoustic transducer (11) including: a semiconductor substrate (21); a vibrating membrane (23), provided above the semiconductor substrate (21), including a vibrating electrode (220); and a fixed membrane (23), provided above the semiconductor substrate (21), including a fixed electrode (230), the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode (220) and the fixed electrode (230), converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode (220) and the fixed electrode (230) is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals. |
申请公布号 |
EP2663093(A4) |
申请公布日期 |
2016.07.13 |
申请号 |
EP20110854547 |
申请日期 |
2011.12.22 |
申请人 |
OMRON CORPORATION;STMICROELECTRONICS S.R.L. |
发明人 |
KASAI, TAKASHI;SATO, SHOBU;UCHIDA, YUKI;PADOVANI, IGINO;DAVID, FILIPPO;CONTI, SEBASTIANO |
分类号 |
H04R19/04;H04R1/08;H04R3/00;H04R19/00;H04R19/01;H04R31/00 |
主分类号 |
H04R19/04 |
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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