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Interactive optical cards and other hand-held devices with increased connectivity

  • US 7,552,456 B2
  • Filed: 04/10/2007
  • Issued: 06/23/2009
  • Est. Priority Date: 01/22/1999
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • optically receiving on a hand-held device a modulated video signal, the modulated video signal including auxiliary data modulated in an active portion of the modulated video signal;

    detecting on the hand-held device the auxiliary data contained within the modulated video signal;

    comparing the auxiliary data against prestored data on the hand-held device to determine whether a data match was identified;

    enabling a prestored promotional opportunity within read only memory of the handheld device; and

    sequentially illuminating a series of light-emitting devices on the hand-held device when the data match was identified to provide a representation of a value available for redemption by use of the hand-held device.

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