Recto/verso copy-protected security document

Details Recto/verso copy-protected security document Recto/verso copy-protected security document

B - Operations, Transporting

42

D

B42D 15/00 (2006.01) B44F 1/02 (2006.01) B44F 1/06 (2006.01) B44F 1/12 (2006.01) B44F 7/00 (2006.01) G03H 1/04 (2006.01) G07D 7/12 (2006.01) G07D 7/20 (2006.01)

Patent

CA 2492816

The invention concerns a security document comprising, as security element against recto/verso copying, indicia present on both sides and capable of being viewed under reflected lighting and forming an image capable of being viewed under transmitted light. The invention is characterized in that said indicia comprise lines and form said image with 3D effect.

La présente invention concerne un document de sécurité comportant, comme élément de sécurité contre la copie recto/verso, des impressions présentes au recto et au verso et observables en lumière réfléchie et formant une image observable en lumière transmise, caractérisé par le fait que lesdites impressions comportent des lignes et forment ladite image avec un effet 3D.

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