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Applications for radio frequency identification systems

  • US 7,471,205 B2
  • Filed: 08/24/2006
  • Issued: 12/30/2008
  • Est. Priority Date: 08/14/1998
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • automatically detecting a radio frequency identification (RFID) element associated with a patron card when the patron card enters an interrogation zone;

    automatically detecting an RFID element associated with an item when the item enters the interrogation zone;

    modifying a status of the item with respect to a patron associated with the patron card when the patron card enters the interrogation zone substantially simultaneously with the item entering the interrogation zone;

    updating a database to reflect the modified status of the item; and

    performing a magnetization operation on a magnetic security element associated with the item to activate or deactivate the magnetic security element.

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