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:
Sep. 28, 1993
Filed:
Aug. 18, 1992
Yasuhiko Watanabe, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
The image forming apparatus includes a unit for radiating light to an original with plural lighting conditions, a unit for changing the lighting condition according to a concentration of the original and reference exposure data, a unit for storing the reference exposure data, a unit for forming an image on an image carrier under different image forming conditions, using light radiated by the radiating unit and sent via the original, a unit for changing in a first mode the image forming conditions, and changing in a second mode the reference exposure data stored by the storing unit, and a unit for switching the first and second modes so as to change the operation of the changing unit.