Transitory image structure

Details Transitory image structure Transitory image structure

B - Operations, Transporting

41

M

B41M 3/14 (2006.01) B42D 15/00 (2006.01) G09F 3/02 (2006.01)

Patent

CA 2286551

A transitory image structure comprises linear markings (1-10) on a substrate. The linear markings define image (31, 32) and background (30) portions respectively, the markings cooperating together such that an image generated by the image portion is not visible from all viewing angles. At least some of the lines of the markings of at least one of the portions have a physical characteristic, such as thickness, which varies in a substantially random manner along their lengths.

Structure d'image transitoire composée de marques linéaires (1-10) sur un substrat. Ces marques linéaires définissent des parties respectives d'image (31, 32) et d'arrière-plan (30) et coopèrent les unes avec les autres, de sorte qu'une image générée par la partie d'image n'est pas visible depuis tous les angles de visualisation. Au moins quelques unes des lignes des marques d'au moins une des parties possèdent une caractéristique physique, telle que l'épaisseur, variant sensiblement au hasard sur leurs longueurs respectives.

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