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Method and System for Controlling the Traffic Flow Through an RFID Directional Portal

  • US 20090289793A1
  • Filed: 05/23/2008
  • Published: 11/26/2009
  • Est. Priority Date: 05/23/2008
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a first motion sensor configured to sense movement of an object on a first side of a portal, the object including an RFID tag;

    a first RFID reader being activated by the first motion sensor when the first motion sensor senses movement of the object, the first RFID reader reading the RFID tag;

    a second motion sensor configured to sense movement of the object on a second side of the portal; and

    a second RFID reader being activated by the second motion sensor when the second motion sensor senses movement of the object, the second RFID reader reading the RFID tag, wherein, when one of the first and second motion sensors sense movement of the object, the other one of the first and second motion sensors is deactivated for a predetermined period of time.

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