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. 23, 2013
Filed:
Feb. 19, 2009
Shinya Tanaka, Tokyo, JP;
Hideomi Fujimoto, Kanagawa, JP;
Mutsumi Namba, Tokyo, JP;
Atsushi Hagiwara, Kanagawa, JP;
Satoshi Takano, Tokyo, JP;
Hiroyuki Nagano, Tokyo, JP;
Shinya Tanaka, Tokyo, JP;
Hideomi Fujimoto, Kanagawa, JP;
Mutsumi Namba, Tokyo, JP;
Atsushi Hagiwara, Kanagawa, JP;
Satoshi Takano, Tokyo, JP;
Hiroyuki Nagano, Tokyo, JP;
Ricoh Company, Ltd, Tokyo, JP;
Abstract
An image forming apparatus includes an image forming unit for forming an image; a status conversion unit for converting the multi-value pixel data into status values; plural reference look-up tables each indicating an association between an arrangement of the status values of a target pixel and adjacent pixels in a pixel window and an output data value of the multi-value pixel data to be output; a determining unit for determining a target reference look-up table based on the arrangement; and a generating unit configured to change an input data value of the multi-value pixel data, into the output data value of the determined target reference look-up table, and for outputting the multi-value pixel data to the image forming unit.