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Perimeter system for detecting intruders

  • US 6,664,894 B2
  • Filed: 02/16/2001
  • Issued: 12/16/2003
  • Est. Priority Date: 02/16/2001
  • Status: Expired due to Fees
First Claim
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1. A system for detecting of an intruder, comprising a plurality groups of sensors connected in parallel with one another, said sensors being selected from the group consisting of seismic sensors, acoustic sensors and both;

  • a plurality of individual processing units each connected with a respective one of said groups of sensors;

    said individual processing units are connected in parallel with one another;

    a central processing unit connected with all said parallel-connected processing units so that each of said individual processing units can obtain information about a presence of an intruder near any of said group of sensors.

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