Non-linear junction detector

Details Non-linear junction detector Non-linear junction detector

2005-05-24

2005-05-24

Trieu, Van T. (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572400, C340S551000

Reexamination Certificate

active

06897777

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.

REFERENCES:
patent: 5191343 (1993-03-01), Danzer et al.
patent: 6057765 (2000-05-01), Jones et al.
patent: 6163259 (2000-12-01), Barsumian et al.
patent: 1038039 (1978-09-01), None
patent: 0 611 164 (1994-08-01), None
patent: 0 798 681 (1997-10-01), None
patent: 1 527 399 (1998-10-01), None

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