Document having an area with marks to resemble shading at a...

Details Document having an area with marks to resemble shading at a... Document having an area with marks to resemble shading at a...

B - Operations, Transporting

42

D

B42D 15/00 (2006.01)

Patent

CA 2299928

A document has a substrate with a first side. The first side has a first area within which the substrate is a first color. The document also has a plurality of marks on the substrate within a second area. The second area is smaller than the first area and is within the first area. Each mark is a different color from the first color. The density and size of the marks is such that at a distance of about twenty inches, the first area appears to the human eye to have a shaded area corresponding to the second area, as well as an unshaded area corresponding to a portion of the first area not occupied by the second area. At a distance of about eight inches, the second area appears to the human eye to have a plurality of marks. The method of making the document begins by providing a substrate, as described above. Next, a plurality of marks are printed on the substrate within the second area.

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