The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 2023
Filed:
Apr. 17, 2019
Thales Dis France Sas, Meudon, FR;
Joseph Leibenguth, Meudon, FR;
THALES DIS FRANCE SAS, Meudon, FR;
Abstract
The invention relates to a method for authenticating a secure document comprising data printed by analogue or digital printing, said method comprising the following operations: —definition, from among a set of graphical and/or alphanumeric data of the secure document, of at least one distinct data area including at least one distinctive pattern; —during an operation of fabrication of the secure document, reading the distinct data area onto a storage device so as to form a distinct reference data area; —in the course of an operation of verification of the authenticity of the secure document, extracting the distinct data area from a digitized version of the secure document; and—comparing the extracted distinct data area with the distinct reference data area so as to determine a level of matching between said distinct data areas and to deduce therefrom a positive authentication or negative authentication.