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Two-dimensional code

  • US 9,892,300 B2
  • Filed: 11/07/2013
  • Issued: 02/13/2018
  • Est. Priority Date: 11/13/2012
  • Status: Active Grant
First Claim
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1. A two-dimensional code, comprising cells representing binary-coded data that are arranged as a pattern in the form of a two-dimensional matrix,wherein the two-dimensional code comprises three or more different position detection patterns, each position detection pattern having a different shape, different size, or different arrangement orientation that individually enables the two-dimensional code to be detectable from an image, andeach of the three or more different position detection patterns has an elliptical external shape, or has a right triangle external shape, or has a first rectangle and a second rectangle, wherein the first rectangle and the second rectangle intersect perpendicularly with each other at a position in a center of each rectangle.

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