Electrophotography – Image formation – Development
Patent
1997-10-27
1999-05-04
Moses, Richard
Electrophotography
Image formation
Development
358501, 358515, 358540, G03G 1501
Patent
active
058996044
ABSTRACT:
A computer (500) with a graphics program, an eight-plane raster image processor program, an eight-plane print-sending program, and a contrast-control program is connected to a single-bit, four-pass, electrographic printer (430). One or more of the primary colors is individually divided into multiple layers (100', 200 . . . ), with each layer having an independently selectable contrast setting (300--330). The printer (430') is now capable of printing images with an improved color gamut and dynamic range.
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patent: 5487020 (1996-01-01), Long
patent: 5668890 (1997-09-01), Winkelman
patent: 5793501 (1998-08-01), Murakami
patent: 5802216 (1998-09-01), Hayashi et al.
Moses Richard
Virmani Shival
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