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“Invisi wall” anti-theft system

  • US 8,970,369 B2
  • Filed: 09/13/2011
  • Issued: 03/03/2015
  • Est. Priority Date: 09/13/2010
  • Status: Active Grant
First Claim
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1. A system for monitoring a display of products, said system comprising:

  • a product display monitoring system configured to generate an invisible wall occupying a portion of a generally vertically oriented plane disposed between at least one associated product held in an associated display and an associated individual; and

    a motion detection unit configured to;

    receive an electromagnetic signal from a sensor concerning the portion of the plane disposed between at least one associated product held in an associated display and an associated individual;

    determine whether the portion of the plane is breached based on temporal deviations in the electromagnetic signal; and

    ,in response to determining a breach, generate a notification of the breach;

    wherein the determination includes determining whether an object moves through the portion of the plane from one side of the plane to the other side of the plane.

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