Non-linear junction detector
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United States of America Patent
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May 24, 2005
Grant Date -
May 20, 2004
app pub date -
Feb 11, 2002
filing date -
Feb 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A target junction is illuminated with energy at a fundamental RF frequency and reflections from the non-linear junction are analyzed to determine the type of junction detected. The power output level of a transmitter emitting the illuminating signal is automatically controlled so as to drive the signal strength of the received signals towards a predetermined value, e.g. a minimum threshold value. An indication of the current received signal strength, adjusted by a factor so as to compensate for any automatic adaptation in the actual transmitter power output level, may be provided to an operator.
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