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High density, rectangular binary code symbol

  • US 20090306910A1
  • Filed: 08/16/2007
  • Published: 12/10/2009
  • Est. Priority Date: 08/17/2006
  • Status: Active Grant
First Claim
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1. A rectangular binary code symbol for non-linear strain measurement, comprising:

  • a solid, continuous outer perimeter;

    first and second data regions along adjacent sides of the perimeter, each data region comprising at least two rows, each row comprising a plurality of data cells, each data cell representing a single bit of binary data;

    first and second utility regions along adjacent sides of the perimeter opposite the first and second data regions, each utility region comprising at least two rows, each row comprising a plurality of utility cells of alternating appearance;

    first and second finder cells at opposite corners of the rectangle; and

    inner and outer quiet regions distinguishing the first and second data regions, the first and second utility regions, and the first and second finder cells from their background.

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