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Advanced capability RFID system

United States Patent

September 25, 2007
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A radio-frequency transponder device having an antenna circuit configured to receive radio-frequency signals and to return modulated radio-frequency signals via continuous wave backscatter, a modulation circuit coupled to the antenna circuit for generating the modulated radio-frequency signals, and a microprocessor coupled to the antenna circuit and the modulation circuit and configured to receive and extract operating power from the received radio-frequency signals and to monitor inputs on at least one input pin and to generate responsive signals to the modulation circuit for modulating the radio-frequency signals. The microprocessor can be configured to generate output signals on output pins to associated devices for controlling the operation thereof. Electrical energy can be extracted and stored in an optional electrical power storage device.
Gilbert; Ronald W. (Morgan Hill, CA), Steele; Kerry D. (Kennewick, WA), Anderson; Gordon A. (Benton City, WA)
Battelle Memorial Institute K1-53 (Richland, WA)
10/ 775,023
February 9, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with U.S. Government support under Contract DE-AC06-76RL01830 awarded by the U.S. Department of Energy. The U.S. Government has certain rights in the invention.