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Method and system for controlling the traffic flow through an RFID directional portal

  • US 8,487,747 B2
  • Filed: 05/23/2008
  • Issued: 07/16/2013
  • 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 a movement of a first object on a first side of a portal, the portal comprising the first side and a second side, the first object including a first radio frequency identification tag;

    a first radio frequency identification reader configured to be activated by the first motion sensor when the first motion sensor senses the movement of the first object on the first side of the portal, the first radio frequency identification reader further configured to read the first radio frequency identification tag;

    a second motion sensor configured to sense a movement of a second object on the second side of the portal, the second object including a second radio frequency identification tag; and

    a second radio frequency identification reader configured to be activated by the second motion sensor when the second motion sensor senses the movement of the second object on the second side of the portal, the second radio frequency identification reader further configured to read the second radio frequency identification tag, wherein the first motion sensor is further configured to deactivate the second motion sensor for a predetermined period of time when the first motion sensor senses the movement of the first object on the first side of the portal.

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