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:
May. 23, 2000
Filed:
Sep. 20, 1996
Applicant:
Inventor:
Hiroya Hata, Fujisawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06K / ; G03F / ;
U.S. Cl.
CPC ...
382167 ; 382255 ; 358518 ;
Abstract
An image forming apparatus having a correcting function for preventing toner from scattering around edge portions of line images. The image forming apparatus includes an image paper sheet formed from an original image for testing, a line width extracting unit for reading the image paper sheet for correcting and color-by-color extracting a state of toner scattering around edge portions of the line image. Color-by-color correcting data is then calculated based on the color-by-color extracted information. A line width correcting unit accomplishes correction based on the calculated result when subsequently forming ordinary images.