发明名称 |
MINIATURE BROADBAND TRANSDUCER |
摘要 |
Multiple embodiments of solid state micro-structures, such as a condenser microphone, are disclosed. According to one embodiment, the transducer a fixed perforated member, a freely movable diaphragm spaced from the perforated member, a support ring in the perforated member maintaining the proper spacing between the diaphragm and the perforated member near the perimeter; and compliant suspension springs allowing the diaphragm to rest freely on the support ring and yet mechanically decouples the diaphragm from the perforated member. According to another embodiment, a raised micro-structure is disclosed for use in a silicon based device. The raised micro-structure comprises a generally planar film having a ribbed sidewall supporting the film. |
申请公布号 |
WO0215636(A2) |
申请公布日期 |
2002.02.21 |
申请号 |
WO2001US25184 |
申请日期 |
2001.08.10 |
申请人 |
KNOWLES ELECTRONICS, LLC;PEDERSEN, MICHAEL;LOEPPERT, PETER, V. |
发明人 |
PEDERSEN, MICHAEL;LOEPPERT, PETER, V. |
分类号 |
H04R19/04;B06B1/04;H04R19/00;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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