MA31762B1 - AUTHENTICATION DEVICE WITH SECURITY MARKING - Google Patents

AUTHENTICATION DEVICE WITH SECURITY MARKING

Info

Publication number
MA31762B1
MA31762B1 MA32752A MA32752A MA31762B1 MA 31762 B1 MA31762 B1 MA 31762B1 MA 32752 A MA32752 A MA 32752A MA 32752 A MA32752 A MA 32752A MA 31762 B1 MA31762 B1 MA 31762B1
Authority
MA
Morocco
Prior art keywords
marking
authentication device
authentication
security marking
document
Prior art date
Application number
MA32752A
Other languages
French (fr)
Inventor
Eric Decoux
Andrea Callegari
Original Assignee
Sicpa Holding Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sicpa Holding Sa filed Critical Sicpa Holding Sa
Priority to MA32752A priority Critical patent/MA31762B1/en
Publication of MA31762B1 publication Critical patent/MA31762B1/en

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Abstract

L'INVENTION CONCERNE UN DISPOSITIF D'AUTHENTIFICATION POUR L'AUTHENTIFICATION VISUELLE D'UN DOCUMENT OU D'UN ARTICLE, COMPRENANT UN MARQUAGE DE SÉCURITÉ À POLARISATION CIRCULAIRE, LEDIT DISPOSITIF COMPRENANT UNE SOURCE DE LUMIÈRE ET DES FILTRES DE POLARISATION POUR L'ÉCLAIRAGE SOIT PARALLÈLE SOIT ALTERNÉ DUDIT MARQUAGE SUR LEDIT DOCUMENT AVEC UNE LUMIÈRE POLARISÉE DE FAÇON CIRCULAIRE À DROITE ET À GAUCHE. L'INVENTION CONCERNE ÉGALEMENT DES PROCÉDÉS CORRESPONDANTS POUR L'AUTHENTIFICATION VISUELLE ET L'AUTHENTIFICATION AUTOMATIQUE DU MARQUAGE.THE INVENTION CONCERNS AN AUTHENTICATION DEVICE FOR THE VISUAL AUTHENTICATION OF A DOCUMENT OR AN ARTICLE, COMPRISING A CIRCULAR POLARIZATION SECURITY MARKING, THIS DEVICE COMPRISING A LIGHT SOURCE AND POLARIZATION FILTERS FOR LIGHTING EITHER PARALLEL OR ALTERNATE OF SAID MARKING ON THIS DOCUMENT WITH CIRCULAR POLARIZED LIGHT RIGHT AND LEFT. The invention also relates to corresponding methods for the visual authenticity and the automatic authentication of the marking.

MA32752A 2010-04-08 2010-04-08 AUTHENTICATION DEVICE WITH SECURITY MARKING MA31762B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MA32752A MA31762B1 (en) 2010-04-08 2010-04-08 AUTHENTICATION DEVICE WITH SECURITY MARKING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA32752A MA31762B1 (en) 2010-04-08 2010-04-08 AUTHENTICATION DEVICE WITH SECURITY MARKING

Publications (1)

Publication Number Publication Date
MA31762B1 true MA31762B1 (en) 2010-10-01

Family

ID=44083990

Family Applications (1)

Application Number Title Priority Date Filing Date
MA32752A MA31762B1 (en) 2010-04-08 2010-04-08 AUTHENTICATION DEVICE WITH SECURITY MARKING

Country Status (1)

Country Link
MA (1) MA31762B1 (en)

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