Devices employing modulator switching and methods thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8823493
APP PUB NO 20110304432A1
SERIAL NO

12814095

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In one embodiment, a RFID reader circuit includes a RF source input in a transmitting path, a RF modulator in parallel with a bypass, the RF modulator and the bypass being selectively coupled to the RF source input, at least one switch for selectively coupling an output of the RF modulator to the transmitting path, and a RF power amplifier in the transmitting path. In another embodiment, a RFID system includes a plurality of RFID tags, and a RFID reader, the RFID reader comprising a RFID reader circuit. The circuit includes a RF source input in a transmitting path, a RF modulator in parallel with a bypass, the RF modulator and the bypass being selectively coupled to the RF source input, at least one switch for selectively coupling an output of the RF modulator to the transmitting path, and a RF power amplifier in the transmitting path.

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Patent Owner(s)

  • ZEST LABS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrell, Edward M Saratoga, US 9 422
Panchalan, Prasad San Jose, US 38 313

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