Methods of Printing Document Markings with Enhanced Visual Effects, and Documents that Exhibit Such Effects
AssigneeXerox Corporation
InventorsEdward N. Chapman, Jonathan Ireland
Life of this patent
Estimating the term…
Abstract
Embodiments disclosed include a monochromatic pattern mark that includes multiple sets of pattern ink segments that cause a substrate to exhibit an enhanced moiré effect. A first set of the pattern ink segments includes a solid center line that is black; a first outer line that is dashed, grey, and adjacent to a first side of the center line; and a second outer line that is dashed, grey, and adjacent to a second side of the center line. Each of the first and second outer lines has a color value of less than approximately 100% K. In other embodiments, the mark may or may not be monochromatic, but it also functions as a correlation mark.
Claims20
A method of printing a monochromatic pattern mark on a substrate, the method comprising:
- by a processor, generating a pattern mark to be printed within a boundary on a substrate by:
- rendering a first set L1 of pattern ink segments each of which comprises:
- a solid center line that is black and has a color value of approximately 100% K,
- a first outer line that is dashed, grey, and adjacent to a first side of the center line, and
- a second outer line that is dashed, grey, and adjacent to a second side of the center line,
- wherein each of the first and second outer lines has a color value of less than approximately 100% K;
- and
- by a print engine of a print device, printing the first set L1 of pattern ink segments on the substrate in the boundary at a first frequency F1 and a first angle A.
A substrate on which a monochromatic pattern mark is printed, the pattern mark comprising:
- a first set L1 of pattern ink segments printed on the substrate at a first frequency F1 and a first angle A, wherein each of the pattern ink segments comprises:
- a solid center line that is black and has a color value of approximately 100% K,
- a first outer line that is dashed, grey, and adjacent to a first side of the center line, and
- a second outer line that is dashed, grey, and adjacent to a second side of the center line,
- wherein each of the first and second outer lines has a color value of less than approximately 100% K;
- wherein the pattern mark causes the substrate to exhibit an enhanced moiré effect.
A system comprising:
- a substrate on which a pattern mark is printed, the pattern mark comprising:
- a first set L1 of pattern ink segments printed on the substrate at a first frequency F1 and a first angle A, wherein each of the pattern ink segments comprises:
- a solid center line that is black and has a color value of approximately 100% K,
- a first outer line that is dashed, grey, and adjacent to a first side of the center line, and
- a second outer line that is dashed, grey, and adjacent to a second side of the center line,
- wherein each of the first and second outer lines has a color value of less than approximately 100% K;
- and
- an electronic device comprising a camera and a display,
- wherein the pattern mark will exhibit an enhanced moiré effect when captured by the camera and output on the display.
Dependencies are inferred from the claim text.