Method to apply an invisible mark on a media

Details Method to apply an invisible mark on a media Method to apply an invisible mark on a media

2011-06-21

2011-06-21

Bella, Matthew C (Department: 2624)

Image analysis

Applications

Reexamination Certificate

active

07965862

ABSTRACT:
The present application aims to propose a solution for embedding invisible mark suitable for very large production volumes. This is achieved by a method for applying an invisible mark on a media based on a pattern, and comprising the following steps: determining an area to apply this mark, applying a transparent or semi-transparent substance, on the media, said substance being modulated with the active dots to form the pattern by modifying the quantity of the substance at each active dot.

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