Information management system with authenticity check
First Claim
1. A product comprising at least one authentication writing area which is adapted to receive handwritten authentication information from an optically imaging pen operated by a user and which is provided with a position-coding pattern constructed of a plurality of coded tags, each tag encoding coordinates for a point on a tag map and an orientation feature, said orientation feature enabling the pen to determine a planar orientation of each tag relative to a yaw of the pen, said position-coding pattern allowing digital recording and reproduction of the handwritten authentication information as well as authenticity checking.
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Accused Products
Abstract
A product comprising at least one authentication writing area is provided. The product is adapted to receive handwritten authentication information from a user and is provided with a position-coding pattern. The pattern codes coordinates for a plurality of points on an imaginary surface. The pattern allows digital recording and reproduction of the handwritten authentication information as well as authenticity checking.
46 Citations
6 Claims
- 1. A product comprising at least one authentication writing area which is adapted to receive handwritten authentication information from an optically imaging pen operated by a user and which is provided with a position-coding pattern constructed of a plurality of coded tags, each tag encoding coordinates for a point on a tag map and an orientation feature, said orientation feature enabling the pen to determine a planar orientation of each tag relative to a yaw of the pen, said position-coding pattern allowing digital recording and reproduction of the handwritten authentication information as well as authenticity checking.
Specification