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Sensor for detecting human intruders, and security system

  • US 20080191871A1
  • Filed: 02/13/2007
  • Published: 08/14/2008
  • Est. Priority Date: 02/13/2007
  • Status: Active Grant
First Claim
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1. A dual-modality sensor for detecting human intruders to a secure setting, comprising:

  • a seismic sensor for detecting and measuring seismic disturbances;

    an active acoustic sensor for acquiring an acoustic signature relating to a detected seismic disturbance; and

    a processor for processing and correlating the measured seismic disturbance and the active acoustic signature to verify a presence of a human characteristic therein, and for generating a human intruder alarm signal where said human characteristic presence is verified.

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