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Interactive radio frequency tags

  • US 8,054,163 B2
  • Filed: 10/21/2010
  • Issued: 11/08/2011
  • Est. Priority Date: 05/06/1999
  • Status: Active Grant
First Claim
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1. An interactive card for accessing web sites, the interactive card comprising:

  • a card surface carrying human-readable indicia,wherein the human-readable indicia include indications of multiple web sites;

    a radio frequency transponder including—

    an integrated circuit with memory storing multiple data items,wherein at least some of the multiple data items are associated with the multiple human-readable indicia, andwherein the data items include URL references to the multiple web sites; and

    an antenna that receives an incident signal, wherein the antenna is coupled to the integrated circuit; and

    multiple human-selectable switches electrically coupled to the integrated circuit and carried by the card,wherein each human-selectable switch, when selected by a human, is configured to cause the integrated circuit to provide to the antenna an output signal for an associated stored data item when the antenna receives the incident signal,wherein the output signal permits access one of the multiple websites via one of the URL references.

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