发明授权
US08346199B2 Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry 有权
移动无线通信设备,其具有来自射频通信电路的麦克风噪声降低

Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
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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