Halftone patterns

Details Halftone patterns Halftone patterns

2007-09-11

2007-09-11

Lee, Thomas D. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003110

Reexamination Certificate

active

09936530

ABSTRACT:
The patterns can be used to reduce one or more undesirable effects such as moire or colour shift in coloured halftone images. Colour screens in the images are based on a combination of non-orthogonal mesh structures with parcels of printing dots which have common shape and size. Preferably the dots grow in mid tones by extending first towards their second, third or fourth nearest neighbours.

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“Modern Illustration Processes”, Charles W. Gamble, 1947, pp. 147-148.
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Desktop to Press, No. 9, 13 pages (Feb. 1992).
Gamble, C.W., “Modern Illustration Processes”, Sir Isaac Pitman & Sons, Ltd., London 1947, Fig. 26 at p. 148.

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