Multi-bit output sampled threshold array halftoner

Details Multi-bit output sampled threshold array halftoner Multi-bit output sampled threshold array halftoner

2008-04-15

2008-04-15

Moore, David (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003010, C358S003100, C358S003130

Reexamination Certificate

active

07359091

ABSTRACT:
Xerox Reference No. D/A0639A system and method for improving xerographic halftoning by magnifying a threshold array, interpolating the in-between values, enabling multiple thresholds to be accessed simultaneously and presented to multiple comparators, to cause multi-bit output. A threshold array is sampled at distinct locations separated by the sparse sampling distance to allow warping of the threshold array dots by adjusting the sampling distance in small, fractional portions (deltas) of the magnified distance. By adding more thresholds, amplitude or intensity modulation is used to move dot edges in a process direction for further flexibility in printing irrational or warpable screens.

REFERENCES:
patent: 5410414 (1995-04-01), Curry
patent: 5557709 (1996-09-01), Shu
patent: 5732162 (1998-03-01), Curry
patent: 5875268 (1999-02-01), Miyake
patent: 6172773 (2001-01-01), Ulichney
patent: 6208430 (2001-03-01), Hains et al.
patent: 6809840 (2004-10-01), Yu et al.
patent: 7031025 (2006-04-01), He et al.
patent: 7126723 (2006-10-01), Yamamoto
patent: 2003/0081258 (2003-05-01), Sugizaki
patent: 0 707 412 (1996-04-01), None
U.S. Appl. No. 09/681,967, filed Jun. 29, 2001.

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