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Controllable RFID card

  • US 8,624,740 B2
  • Filed: 02/04/2005
  • Issued: 01/07/2014
  • Est. Priority Date: 02/04/2005
  • Status: Active Grant
First Claim
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1. A display system, comprising:

  • an information reader for generating an RF field to read RFID tags and generating a response to the read RFID tag using pattern recognition, the information reader being configured to determine a proximity of each RFID tag to the system; and

    a display screen located in the RF field for receiving power and the response through the RF field of the information reader and generating an output associated with an RFID tag most proximate to the system.

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