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TWO-DIMENSIONAL TAG WITH A TAG FORMAT STRUCTURE

  • US 20080035743A1
  • Filed: 10/22/2007
  • Published: 02/14/2008
  • Est. Priority Date: 06/30/2000
  • Status: Active Grant
First Claim
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1. A two-dimensional (2D) tag for reading with an optical reader, the tag having a plurality of dot positions and comprising:

  • a locator component used to locate the tag by the reader;

    an orientation component used to sense an orientation of the reader relative to the tag; and

    a data area to be read by the reader;

    wherein the tag is represented by a tag format structure that contains an entry for each of the plurality of dot positions.

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