Method for producing indicators and processing apparatus and system utilizing the indicators

  • US 7,328,845 B2
  • Filed: 07/02/2002
  • Issued: 02/12/2008
  • Est. Priority Date: 01/11/2002
  • Status: Active Grant
First Claim
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1. A processing system comprising:

  • an optical device for capturing an image from a selected zone on a surface of an object by a user, wherein the image includes a graphical indicator that is visually negligible and is affixed on the surface of the object;

    a processing device coupled to the optical device for receiving the image, the processing device retrieving the graphical indicator from the image and acquiring an additional information corresponding to the graphical indicator by processing and/or transforming the graphical indicators; and

    an output device coupled to the processing device for outputting the additional information.

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