Mobile wireless communications device with reduced...

Details Mobile wireless communications device with reduced... Mobile wireless communications device with reduced...

H - Electricity

04

W

H04W 88/02 (2009.01) H04B 1/10 (2006.01) H04R 3/00 (2006.01) H05K 9/00 (2006.01)

Patent

CA 2577808

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.

Un dispositif de communication sans fil mobile comprend un boîtier et une carte de circuit dans ce boîtier qui possède un circuit de fréquences radio (RF), un amplificateur de puissance et un microphone monté sur ce dispositif. Une antenne est portée à l'intérieur de boîtier et peut fonctionner avec le circuit RF. Un blindage RF entoure et isole le microphone du circuit RF, de l'amplificateur de puissance et de l'antenne et protège le microphone contre l'énergie rayonnée générée à partir du circuit RF, de l'antenne ou de l'amplificateur de puissance.

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