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Remote detection of electronic devices

United States Patent

September 25, 2012
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
An apparatus and method for detecting solid-state electronic devices are described. Non-linear junction detection techniques are combined with spread-spectrum encoding and cross correlation to increase the range and sensitivity of the non-linear junction detection and to permit the determination of the distances of the detected electronics. Nonlinear elements are detected by transmitting a signal at a chosen frequency and detecting higher harmonic signals that are returned from responding devices.
Judd; Stephen L. (Los Alamos, NM), Fortgang; Clifford M. (Los Alamos, NM), Guenther; David C. (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
12/ 421,623
April 9, 2009
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. DE-AC52-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.