Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1994-04-20
1996-10-15
Reinhart, Mark J.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
358298, 358458, H04N 121
Patent
active
055659071
ABSTRACT:
An image forming apparatus capable of producing a high quality halftone image stably and rendering faithful tonality. For a bilevel image, the apparatus smooths the boundary between black and white. For a multilevel image, the apparatus obviates solitary dots for thereby causing dots to concentrate. As a result, a bilevel image and a multilevel image are provided with a clear boundary.
REFERENCES:
patent: 4903138 (1990-02-01), Aragaki
patent: 5450208 (1995-09-01), Murata
Wada Shinichiro
Yagishita Takahiro
Reinhart Mark J.
Ricoh & Company, Ltd.
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