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Personal interface device and method

  • US 8,380,636 B2
  • Filed: 06/22/2011
  • Issued: 02/19/2013
  • Est. Priority Date: 11/06/2002
  • Status: Expired due to Term
First Claim
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1. A device comprising:

  • an RFID system receiving RFID data from a plurality of products;

    a transaction tracking system for receiving the RFID data and storing product data corresponding to each of the plurality of products in one or more predetermined categories; and

    a query system for receiving the product data, determining that the product data has not been assigned to a classification, and generating a classification query to allow the product data to be assigned to a classification; and

    an identification verification system for receiving identification data and generating payment authorization data if the identification data corresponds to stored identification data.

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