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Random-type identifying material, 3-d identifying system and method using the same

  • US 20060268259A1
  • Filed: 07/01/2004
  • Published: 11/30/2006
  • Est. Priority Date: 07/04/2003
  • Status: Active Grant
First Claim
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1. A random type recognition object for an identification apparatus, wherein identification particles are irregularly distributed within a 3D shape, and a positional value and a characteristic value of the identification particles distributed within the 3D shape are recognized from one or a plurality of directions by means of separate recognition means.

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