- 专利标题： Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
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申请号： US13692393申请日： 2012-12-03
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公开(公告)号： US08498588B2公开(公告)日： 2013-07-30
- 发明人: Michael Stephen Corrigan , George Soliman Mankaruse , Lizhong Zhu
- 申请人： Research In Motion Limited
- 申请人地址： CA Waterloo, Ontario
- 专利权人： Research In Motion Limited
- 当前专利权人： Research In Motion Limited
- 当前专利权人地址： CA Waterloo, Ontario
- 代理机构： Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
- 主分类号： H04B1/38
- IPC分类号： H04B1/38
摘要：
A mobile wireless communications device includes a housing and circuit board in the housing and having radio frequency (RF) circuitry and a power amplifier and microphone mounted thereon. An antenna is carried within the housing and operative with the RF circuitry. An RF shield surrounds and isolates the microphone from the RF circuitry, power amplifier and antenna and shields the microphone from radiated energy generated from the RF circuitry, antenna or power amplifier.
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