发明名称 |
Gasket for reducing electromagnetic interference in a boundary microphone |
摘要 |
A boundary microphone including a microphone case is provided whereby sufficient shielding performance can be achieved against strong electromagnetic waves of cellular phones. In the boundary microphone, a microphone case 1 includes a flat metallic base 10 opened on its top surface and a metallic microphone cover 20 mounted on the base 10 so as to cover the top surface of the base 10, the microphone cover 20 having a number of openings (sound wave introduction holes) thereon, the microphone case 1 housing a microphone unit 31, wherein a gasket 40 having elasticity and conductivity is disposed between the base 10 and an edge face 20a of the microphone cover 20.
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申请公布号 |
US7602931(B2) |
申请公布日期 |
2009.10.13 |
申请号 |
US20050129288 |
申请日期 |
2005.05.16 |
申请人 |
KABUSHIKI KAISHA AUDIO-TECHNICA |
发明人 |
AKINO HIROSHI;KONDO KAZUHISA;YOSHINO SATOSHI |
分类号 |
H04R1/02;H04R9/08;H04R1/08;H04R11/04;H04R17/02;H04R19/04;H04R21/02;H04R25/00 |
主分类号 |
H04R1/02 |
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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