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METHODS FOR DETECTING HUMANS

  • US 20100027378A1
  • Filed: 10/27/2008
  • Published: 02/04/2010
  • Est. Priority Date: 04/25/2006
  • Status: Active Grant
First Claim
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1. A method of detecting a human, comprising:

  • (a) measuring the ultrasonic signal emitted from human footsteps;

    (b) measuring the human body motion Doppler signature;

    (c) reviewing the measurements of steps (a) and (b); and

    (d) determining the presence of a human.

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