Density-based print masking for photographic-quality ink-jet pri

Details Density-based print masking for photographic-quality ink-jet pri Density-based print masking for photographic-quality ink-jet pri

1997-10-07

1999-07-13

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 40, 347 41, B41J 2015, B41J 2205

Patent

active

059233494

ABSTRACT:
A method and apparatus for printing color images by binary construction from individual colorant dots formed in pixel arrays uses a multi-pass print mode and print masks. Based on color map requirements, a pixel is given a density level. Print masks are provided having mask numbers representing a specific density level. A particular colorant dot is formed only on a pass when the mask number is less than or equal to the specific density level for a target pixel.

REFERENCES:
patent: 5485180 (1996-01-01), Askeland et al.
patent: 5555006 (1996-09-01), Cleveland et al.

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