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Systems and methods for scanning an identification code of an unknown orientation

  • US 7,748,628 B2
  • Filed: 12/18/2006
  • Issued: 07/06/2010
  • Est. Priority Date: 05/10/2006
  • Status: Active Grant
First Claim
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1. A method of scanning an identification code of an unknown orientation, said method comprising:

  • locating an edge of a surface of an item on which the identification code is displayed, whereinthe item is located in a carrier, andlocating the edge of the surface of the item comprises locating the edge of the item based at least in part on a contrast in brightness between the surface of the item and the carrier; and

    scanning one or more optical signals across the item in a predefined direction relative to the edge.

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