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Jones; Thomas H.
Cookeville, TN
No. of patents:

Patent Number Title Of Patent Date Issued
7808226 Line tracing method and apparatus utilizing non-linear junction detecting locator probe October 5, 2010
A method, device, and apparatus for tracing a conductive line and locating any concealed surveillance devices coupled to the line uses a signal generator to produce a test signal having a fundamental frequency which is coupled to the line under test. The test signal flowing through the
7212008 Surveillance device detection utilizing non linear junction detection and reflectometry May 1, 2007
An apparatus for detecting concealed surveillance devices coupled to a transmission line uses either a time domain or frequency domain reflectometry operation to locate any impedance anomalies on the transmission line and a non-linear junction detection operation to classify the loca
7058530 Comparative spectrum trace method and apparatus for detecting transmitters June 6, 2006
An improved method and system for detecting covert surveillance devices uses frequency spectrum traces produced by a spectrum analyzer. The electromagnetic spectrum is scanned in a reference area to produce a reference frequency spectrum trace. The electromagnetic spectrum is then co
6397154 Correlation method for surveillance device detection May 28, 2002
A new correlation process and implementing apparatus for use in detecting the presence and location of a concealed eavesdropping device is disclosed in the present application. The process correlates a demodulated intercepted signal with a reference signal that corresponds to the sounds
6163259 Pulse transmitting non-linear junction detector December 19, 2000
A non-linear junction detector designed for counter surveillance measures achieves superior performance by transmitting a series of pulses and receiving harmonics of the transmitted pulse signals that are re-radiated by a non-linear junction such as would be found in an eavesdropping dev
6057765 Non-linear junction detector May 2, 2000
A non-linear junction detector designed for counter surveillance measures achieves superior performance by using a single circularly polarized antenna to transmit a signal and to receive harmonics of the transmitted signal that are re-radiated by a non-linear junction such as would be

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