Method and device for protection and control of originality...

Details Method and device for protection and control of originality... Method and device for protection and control of originality...

G - Physics

06

K

G06K 1/12 (2006.01) G09F 7/16 (2006.01)

Patent

CA 2651897

The invention relates to method and device for protection and control of originality of products and their components and electronically readable certificate thereof. Depending on the structure of product (1) an alloying layer (2) is deposited over the product. The layer (2) is affected by a subsequent controlled beam or jet marking carried out by means of a beam (3) depositing a restorable marking (4). In order to control or recover the marking the surface, the conductivity and the structure of the marked part is scanned in the area where the marking is deposited. The acquired image of the encoding elements of the markings is compared with information that contains relevance between the original marking and the encoded restorable elements. The information is recorded in a database as well on the accompanying electronically readable certificate (12) protected by means of a multimedia encrypted marking (13) against manipulation or counterfeit.

L'invention concerne un procédé et un dispositif assurant la protection et le contrôle de l'originalité de produits et de leurs composants ainsi que leur certificat lisible électroniquement. En fonction de la structure du produit (1), une couche d'alliage (2) est déposée sur le produit. La couche (2) est affectée par un marquage par faisceau ou par jet contrôlé subséquent réalisé au moyen d'un faisceau (3) déposant un marquage restaurable (4). Afin de contrôler ou de récupérer le marquage, la surface, la conductivité et la structure de la partie marquée sont scannées dans la zone où le marquage est déposé. L'image acquise des éléments de codage des marquages est comparée aux informations qui contiennent la pertinence entre le marquage original et les éléments restaurables codés. Les informations sont enregistrées dans une base de données ainsi que sur le certificat annexé lisible électroniquement (12) protégé au moyen d'un marquage multimédia crypté (13) contre la manipulation ou la contrefaçon.

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