Process and apparatus for providing markings on security papers

Details Process and apparatus for providing markings on security papers Process and apparatus for providing markings on security papers

B - Operations, Transporting

42

D

B42D 15/00 (2006.01) B41F 11/02 (2006.01)

Patent

CA 2567770

Processing unit (8) is programmed to send control signals to all the members (51, 52, 53, 61, 62, 63) of two or more marking stations functioning with different printing technologies. Station (5) for instance functions with a mechanical typography system and station (6) is a laser marking station, the laser beam of which interacts with a light absorbing material applied on the rear side of the sheet (1), without substantially interacting with the front side of sheet (1) and the substrate of sheet (1).

L'invention concerne une unité de traitement (8) programmée pour envoyer des signaux de commande à tous les membres (51, 52, 53, 61, 62, 63) d'au moins deux stations de marquage utilisant différentes technologies d'impression. La station (5) fonctionne, par exemple, avec un système de typographie mécanique et la station (6) est une station de marquage au laser, dont le faisceau laser interagit avec un matériau absorbant la lumière, appliqué sur le verso de la feuille (1), sans interagir sensiblement avec le recto de la feuille (1) et le substrat de feuille (1).

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