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Non-linear junction detector

  • US 20040095243A1
  • Filed: 12/15/2003
  • Published: 05/20/2004
  • Est. Priority Date: 02/13/2001
  • Status: Active Grant
First Claim
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1. A non-linear junction detector comprising:

  • a transmitter for emitting an illuminating signal at a power output level;

    a receiver for receiving reflected signals;

    means for determining a signal strength of said received signals;

    control means for automatically varying the power output level of the transmitter so as to drive the signal strength of said received signals towards a predetermined value.

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