Security marking authentication device

Details Security marking authentication device Security marking authentication device

G - Physics

07

D

G07D 7/00 (2006.01) G07D 7/12 (2006.01)

Patent

CA 2700616

The invention discloses an authentication device for the visual authentication of a document or item comprising a circular polarizing security marking, said device comprising a light source and polarization filters for the either parallel or alternate illumination of said marking on said document with left- and right -circular polarized light. Corresponding methods for the visual and the automated authentication of the marking are disclosed as well. Image

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.

Affiliated with

Also associated with

Rating

Security marking authentication device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Security marking authentication device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Security marking authentication device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1787246