Security document comprising a light source and a...

Details Security document comprising a light source and a... Security document comprising a light source and a...

B - Operations, Transporting

42

D

B42D 15/10 (2006.01) B42D 15/00 (2006.01)

Patent

CA 2588186

A security document is provided with a light source (14) and with a light- processing device, e.g. in the form of a hologram (18), which processes the light emitted by the light source by deflecting, reflecting, polarizing and/or partially absorbing it. The properties of the light source downstream of the light-processing device which are recognized by the tester or a test device as characteristic increase the security of the document.

L'invention concerne un document de sécurité comprenant une source lumineuse (14), ainsi qu'un dispositif de traitement de la lumière, se présentant par exemple sous la forme d'un hologramme (18), lequel traite la lumière provenant de la source lumineuse. Ledit dispositif dévie, réfléchit, polarise et/ou absorbe partiellement la lumière. La sécurité est améliorée par les propriétés caractéristiques de la lumière de la source lumineuse en aval du dispositif de traitement de la lumière par l'appareil de vérification ou le vérificateur.

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