Enhancement of glossmark images at low and high densities...

Details Enhancement of glossmark images at low and high densities... Enhancement of glossmark images at low and high densities...

2007-12-03

2010-10-12

Rogers, Scott A (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003200, C358S003280, C358S534000

Reexamination Certificate

active

07813006

ABSTRACT:
The present invention relates to expanding the range of image densities over which the manipulation of differential gloss as may be inherent in halftoned images may be achieved. By selectively applying halftones with anisotropic structure characteristics which are significantly different in orientation while remaining identical in density, a gloss image may be superimposed within an image without the need for special toners or paper. This technique may be enhanced across low and high density areas by application of clear toner to expand the range of image densities over which a desired glossmark image will bear an effect.

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