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US 8,770,627 B2Granted
Product security pattern based on simultaneous color contrast
AssigneeHewlett-Packard Development Company, L.P.
InventorGiordano Beretta
Life of this patent
Estimating the term…
Abstract
A product package article has an HVS-perceivable security pattern on its surface. The security pattern is based on simultaneous color contrast. The security pattern can provide protection against counterfeiting.
Claims11
A product package article comprising
- a first HVS-perceivable security pattern applied onto a surface of the article and a second HVS-perceivable security pattern applied onto a surface of the article, wherein the first and second HVS perceivable security patterns are based on simultaneous color contrast, wherein the first and second security patterns have backgrounds of different colors and foreground objects of the same color to increase simultaneous color contrast effects, where the foreground and background colors of each security pattern have different contrast levels to create an illusion that the foreground objects are of different colors;
- and
- an anti-scan pattern applied onto the surface of the article, wherein the anti-scan pattern is not perceivable by the HVS.
A product package article comprising
- a first HVS-perceivable security pattern applied on a surface of the article and a second HVS-perceivable security pattern applied on a surface of the article, wherein the first and the second HVS-perceivable security patterns are based on simultaneous color contrast, wherein each security pattern includes adjacent first and second objects of contrasting colors, where the first objects of the first and second security patterns have the same color and the second objects of the first and second security patterns have different colors to increase simultaneous color contrast effects and to create an illusion that the first objects have different colors;
- and
- an anti-scan pattern applied on the surface of the article, wherein the anti-scan pattern is not perceivable by the HVS.
Dependencies are inferred from the claim text.