Invention Grant
- Patent Title: Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
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Application No.: US13692393Application Date: 2012-12-03
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Publication No.: US08498588B2Publication Date: 2013-07-30
- Inventor: Michael Stephen Corrigan , George Soliman Mankaruse , Lizhong Zhu
- Applicant: Research In Motion Limited
- Applicant Address: CA Waterloo, Ontario
- Assignee: Research In Motion Limited
- Current Assignee: Research In Motion Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
- Main IPC: H04B1/38
- IPC: H04B1/38
Abstract:
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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