B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/10 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) G03C 5/08 (2006.01) G03G 21/04 (2006.01) G07D 7/12 (2006.01)
Patent
CA 2060716
A security, information document for providing information to a reader from an information source organization includes a document substrate having a first area in which a half-tone warning image is printed, indicating that a copy of the document is an unauthorized document. A half-tone background image is printed in a second area on the substrate, with the second area surrounding the first area. A camouflage image extends over the document substrate for confusing the eye of an observer such that the warning image is not readily observed. One of the half-tone warning image and the half-tone background image is printed with a half-tone screen of such a line spacing that it is not readily reproducible by a copier. The camouflage image may contain an identification of the source of the information.
L'invention est un document protégé émanant d'une source d'information qui comporte un substrat ayant une première région où une image d'avertissement tramée est imprimée pour indiquer que toute copie de ce document est un document non autorisé. Un arrière-plan d'image tramée est imprimé dans une seconde région du substrat entourant la première. Une image de camouflage couvre le substrat pour dissimuler l'image d'avertissement. L'une des deux images tramées, l'image d'avertissement ou l'arrière-plan, est imprimée avec une trame de similigravure dont l'espacement des lignes est tel que la reproduction de cette image par un copieur est difficile. L'image de camouflage peut contenir un identificateur de la source d'information.
Mowry William Harvey Jr.
Neitman Robert L.
Gowling Lafleur Henderson Llp
The Standard Register Company
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