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Interactive tracking device

  • US 5,299,971 A
  • Filed: 12/24/1991
  • Issued: 04/05/1994
  • Est. Priority Date: 11/29/1988
  • Status: Expired due to Fees
First Claim
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1. An automatically activated and operated passive infrared tracking device for the detection and continual tracking of an intruder, comprising;

  • a stationary portion including passive detectors for the detection of radiation emission by said intruder and a stepper motor,a rotatable portion mounted to said stepper motor and including passive detectors for the detection of radiation emission by said intruder and video monitoring means,control means including circuitry for determination of the general direction and range of said intruder by said stationary portion passive detectors, operation of said stepper motor to cause said rotatable portion to rotate to align at least one of said rotatable portion passive detectors with said intruder and to continually track said intruder, verification of said intruder by said rotatable portion passive detectors, and activation of said video monitoring means, andone or more of said tracking devices linked with one another to provide coverage to a remote security post.

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