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ANTI-INTERFERENCE MICROWAVE MOTION SENSOR

  • US 20090160698A1
  • Filed: 12/20/2007
  • Published: 06/25/2009
  • Est. Priority Date: 12/20/2007
  • Status: Active Grant
First Claim
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1. A microwave motion sensor comprising:

  • an oscillator configured to generate a plurality of pulsed microwave signals;

    a random pulse generator configured to set a random pulse period for the generated microwave signals;

    an antenna configured to transmit the microwave signals and to receive reflected signals; and

    a signal processor coupled to the antenna and the random pulse generator and configured to process the reflected signals to determine a presence of a moving object in a protected area.

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