The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 1996
Filed:
Sep. 17, 1992
Sono Gu, Ohmiya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
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.