Color image forming apparatus

Details Color image forming apparatus Color image forming apparatus

1994-10-12

1996-10-01

Reinhart, Mark J.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347254, 358296, H04N 121

Patent

active

055614558

ABSTRACT:
In a color image forming apparatus, a screen of each of electrostatic latent images to be formed by an exposing device has a parallel lines structure, and phases of the electrostatic latent images each having the parallel lines structure for at least two different colors are made different from each other. Accordingly, the color image forming apparatus can totally solve the problem caused by the rise in potential of exposed portions by toner charges and the dielectric property of toner layers and the problem caused by the toner shielding effect to thereby allow faithful reproduction of a highlight area important for a good halftone image, especially a high-quality color image.

REFERENCES:
patent: 4626901 (1986-12-01), Tanioka
The Society of Electrophotography of Japan, "Japan Hardcopy '89," The Annual Conference of Japan Hardcopy for the Society of Electrophotography of Japan, Jul. 5-7, 1989.
Hajime Yamamoto, "One Drum Color Superimposing Process: Electrostatic Effect of the Toner Layer on the Image Formation," Journal of the Society of Electrophotography, vol. 30, No. 1, pp. 22-29, 1991.

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