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Information management system with authenticity check

  • US 20060034496A1
  • Filed: 08/12/2005
  • Published: 02/16/2006
  • Est. Priority Date: 05/25/1999
  • Status: Active Grant
First Claim
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1. A product comprising at least one authentication writing area which is adapted to receive handwritten authentication information from a user and which is provided with a position-coding pattern, which codes coordinates for a plurality of points on an imaginary surface, said position-coding pattern allowing digital recording and reproduction of the handwritten authentication information as well as authenticity checking.

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