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Identification device and method

  • US 20070057054A1
  • Filed: 09/14/2005
  • Published: 03/15/2007
  • Est. Priority Date: 09/14/2005
  • Status: Active Grant
First Claim
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1. A device for containing information comprising:

  • a) a pattern adapted and configured to be read optically by a reader to obtain information, the pattern formed at least in part by electrically conductive material; and

    b) a resonant circuit configured to resonate at a resonant frequency, the resonant circuit formed at least in part from at least a portion of the electrically conductive material of the pattern.

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