Interactive holographic security element

Details Interactive holographic security element Interactive holographic security element

G - Physics

03

H

G03H 1/04 (2006.01) B42D 15/00 (2006.01) G03H 1/26 (2006.01) G07D 7/12 (2006.01)

Patent

CA 2646657

The present invention relates to an interactive security element comprising at least one volume hologram the latter being responsive to at least one applied external stimulus and exhibits a defined optical effect in form of an image, whereby the optical effect in form of an image is preferably different when being observed at different angles of view and the different images may be observed at least after an external stimulus has been applied, to a method of verifying said interactive security element as well as to the use thereof for verification, identification, authentication or anti-counterfeiting purposes, in particular as a public feature to security products such as banknotes, passports, identification documents, tickets, credit cards, smart cards, etc., and for brand and production protection.

L'invention concerne un élément de sécurité interactif qui comprend au moins un hologramme épais sensible à l'application d'au moins un stimulus externe et qui produit un effet optique précis sous forme d'image, cet effet optique étant préférablement différent selon l'angle d'observation et les différente images peuvent être observées au moins après l'application d'un stimulus externe. Par ailleurs, l'invention concerne un procédé de vérification de l'élément de sécurité interactif et d'utilisation de celui-ci à des fins de vérification, d'identification, d'authentification ou de lutte contre la contrefaçon, en particulier comme une caractéristique publique associée à des produits de sécurité tels que : billets de banque, passeports, pièces d'identité, tickets, cartes de crédit, cartes à puce, etc., ainsi que dans la protection des marques et des produits.

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