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:
Apr. 07, 2009
Filed:
Dec. 18, 2006
Junichi Horii, Kanagawa, JP;
Junichi Horii, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes an input unit that inputs an image forming job, a raster image generating unit, a transport path, a plurality of image forming engines, a calculating unit that calculates the displacement amount between the formation position of the pattern formed by each image forming engine and an ideal formation position thereof, and a controller that supplies each of the plurality of image forming engines with a driving signal instructing formation of a blank image during the time period when the calculated displacement amount is larger than a second threshold value, supplies each of the plurality of image forming engines with a driving signal instructing formation of the image corresponding to each raster image generated by the raster image generating unit and a preset mark when the displacement amount is smaller than the second threshold value.