Recovering data in a near field communication apparatus

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United States of America Patent

PATENT NO 9473208
APP PUB NO 20150140929A1
SERIAL NO

14603551

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A communication device is disclosed that includes an antenna circuit with coupling connections that are used interchangeably as a receive coupling connection and a transmit coupling connection for an RF signal. A driver maintains a constant voltage or a constant current on a first coupling connection of the antenna circuit based on a drive signal that includes an output voltage and an output current. A demodulator extracts modulation from the RF signal based on a fluctuating voltage or a fluctuating current on a second coupling connection of the antenna circuit.

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Patent Owner(s)

Patent OwnerAddress
NXP USA INC6501 WILLIAM CANNON DRIVE AUSTIN TX 78735

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lefley, Alastair Kemble, GB 12 242

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