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RFID-based inventory monitoring systems and methods with self-adjusting operational parameters

  • US 9,076,119 B2
  • Filed: 09/26/2012
  • Issued: 07/07/2015
  • Est. Priority Date: 09/26/2012
  • Status: Active Grant
First Claim
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1. A method comprising the steps of:

  • polling a plurality of RFID tags;

    determining product attributes for items tagged with the plurality of RFID tags;

    storing the product attributes in a historical database;

    associating the product attributes with at least one other attribute;

    scanning an item;

    determining the scanned item'"'"'s current location;

    determining product information for the scanned item; and

    using the determined associations, the product information, and the scanned item'"'"'s current location for determining if the scanned item is misplaced based on strength of the determined associations, wherein the strength of an attribute association monotonically increases with the time period of the attribute association.

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