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Regenerative feedback resonant circuit

United States Patent

September 2, 2014
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A regenerative feedback resonant circuit for measuring a transient response in a loop is disclosed. The circuit includes an amplifier for generating a signal in the loop. The circuit further includes a resonator having a resonant cavity and a material located within the cavity. The signal sent into the resonator produces a resonant frequency. A variation of the resonant frequency due to perturbations in electromagnetic properties of the material is measured.
Jones; A. Mark (West Richland, WA), Kelly; James F. (Pasco, WA), McCloy; John S. (Richland, WA), McMakin; Douglas L. (Richland, WA)
Battelle Memorial Institute (Richland, WA)
13/ 396,402
February 14, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The invention was made with Government support under Contract DE-AC-05-76RL01830, awarded by the U.S. Department of Energy. The Government has certain rights in the invention.