Invention Application
- Patent Title: PROCESS AND DEVICE FOR SECURING DOCUMENTS
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Application No.: US13706646Application Date: 2012-12-06
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Publication No.: US20130094064A1Publication Date: 2013-04-18
- Inventor: Jean-Pierre MASSICOT , Alain FOUCOU , Zbigniew SAGAN
- Applicant: ADVANCED TRACK AND TRACE
- Applicant Address: FR Rueil-Malmaison
- Assignee: ADVANCED TRACK AND TRACE
- Current Assignee: ADVANCED TRACK AND TRACE
- Current Assignee Address: FR Rueil-Malmaison
- Priority: FR0604937 20060601; FR0606588 20060719; FR0611402 20061226
- Main IPC: G06K15/02
- IPC: G06K15/02

Abstract:
A process for securing a document including a step of printing a distribution of dots on said document, said printing, as a result of unanticipated unknowns in printing, causing an unpredictable variation, dot by dot, of at least one geometric characteristic of the printed dots and prior to said print step, a step generating said distribution of dots so that at least half the dots of said distribution are not laterally juxtaposed to four other dots of said dot distribution, and at least one dimension of at least one part of the dots of said distribution of dots is of the same order of magnitude as the average for the absolute value of said unpredictable variation. In embodiments, during the step generating the dot distribution, more than half the dots do not touch any other dot of said distribution. In embodiments, during the step of generating the dot distribution, dots are produced of which at least one geometric characteristic is variable, the geometric amplitude of the generated variation having the order of magnitude of the average dimension of at least one part of the dots.
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