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Pattern codes used for interactive control of computer applications

  • US 7,972,211 B2
  • Filed: 03/12/2010
  • Issued: 07/05/2011
  • Est. Priority Date: 05/10/2004
  • Status: Expired due to Term
First Claim
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1. A method for determining input to be supplied to a computer program, comprising:

  • processing a first video frame having a pattern code before light is applied to the pattern code, the first video frame defining a first characteristic of the pattern code, the pattern code defined by at least two tags;

    processing a second video frame having the pattern code when light is applied to the pattern code, the second video frame defining a second characteristic of the pattern code;

    decoding the first characteristic and the second characteristic of the pattern code to produce decoded information; and

    initiating an interactive command to the computer program, a type of the interactive command defined by the decoded information;

    wherein one of the tags has a reflective surface and one of the tags has a non-reflective surface, and wherein at least some of the operations of the method are executed by a processor.

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