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Document printed with graphical symbols which encode information

  • US 20040060990A1
  • Filed: 08/05/2003
  • Published: 04/01/2004
  • Est. Priority Date: 02/09/2001
  • Status: Active Grant
First Claim
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1. A document printed with graphical symbols which encode information but are not human readable, and which are formed into some or all of a visible element printed on the document, wherein the outline of the element is used for synchronising an automated process for scanning the document to extract the encoded information from the element.

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