Photocopying – Contact printing – Light boxes
Patent
1992-10-01
1993-06-22
Moses, R. L.
Photocopying
Contact printing
Light boxes
346157, G03G 1501
Patent
active
052219542
ABSTRACT:
A four color toner single pass color printing system consists generally of a raster output scanner (ROS) optical system and a quad-level xerographic unit and a tri-level xerographic unit in tandem. The resulting color printing system would be able to produce pixels of black and white and all six primary colors. The color printing system uses a black toner and toners of the three subtractive primary colors or just toners of the three subtractive primary colors.
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patent: 4731634 (1988-03-01), Stark
patent: 4901100 (1990-02-01), DiBianca
patent: 4984021 (1991-01-01), Williams
patent: 4990955 (1991-02-01), May et al.
patent: 4998139 (1991-03-01), May et al.
patent: 5049949 (1991-09-01), Parker et al.
patent: 5113202 (1992-05-01), Loce et al.
patent: 5155541 (1992-10-01), Loce et al.
Johnson et al., "Scophony Spatial Light Modulator", Optical Engineering, vol. 24, No. 1, Jan./Feb. 1985, pp. 93-100.
Moses R. L.
Propp William
Xerox Corporation
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