Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Patent
1992-09-17
1996-01-16
Wong, Peter S.
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
347133, 347240, 347251, 358298, G01D 1514
Patent
active
054851912
ABSTRACT:
An image forming apparatus including an electrophotographic photosensitive member; a latent image forming device for forming an electrostatic latent image by charging the photosensitive member and exposing it to light information; a controller for controlling the latent image forming means to control tone reproducibility of the electrostatic latent image; an image forming device for forming an image having light, halftone and dark portions, for tone controls, a detector for detecting a state of the tone control image, and wherein the controller controls the electrostatic latent image forming device on the basis of a datum from the detector and predetermined tone correcting information.
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Canon Kabushiki Kaisha
Gibson Randy W.
Wong Peter S.
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