G - Physics – 07 – D
Patent
G - Physics
07
D
G07D 7/12 (2006.01)
Patent
CA 2573414
The invention relates to a data carrier, in particular a value document such as a banknote, identity card and the like comprising a security element (20) provided with a printed image (22) and a laser marking (24) at least partially overlapping said printed image (22). Said invention is characterised in that the security element (20) comprises a laser modification area (26) which at least partially overlaps the printed image (22), is registered for the laser marking (24) and the visual appearance of the printed image (22) is modified under effect of a laser beam in the area (28) of said laser modification area (26) overlapping the printed image (22).
L'invention concerne un support de données, en particulier un document-valeur, tel que billet de banque, carte d'identité ou analogue, comprenant un élément de sécurité (20) présentant une image imprimée (22) et un marquage laser (24) superposé, au moins partiellement, à l'image imprimé (22). L'invention est caractérisée en ce que l'élément de sécurité (20) présente en outre une zone de modification laser (26) superposée, au moins partiellement, à l'image imprimée (22), zone qui est en repère par rapport dudit marquage laser (24), cependant que dans sa partie de superposition (28) avec l'image imprimée (22), l'aspect visuel de l'image imprimée (22) est modifié sous l'effet d'un faisceau laser.
Depta Georg
Mayer Karlheinz
Blake Cassels & Graydon Llp
Giesecke & Devrient Gmbh
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