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. 22, 2013
Filed:
May. 18, 2009
Tae Mutsuo, Yokohama, JP;
Tae Mutsuo, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The image forming apparatus includes a halftone processing section that executes halftone processing having a halftone processing period, a signal add-on section that adds the add-on signals on the input image signals subjected to the halftone processing, a position information acquisition section that acquires position information to determine a relative position of halftone dots by the halftone processing and the add-on signals in a first image area, the first image area is based on a common multiple of the halftone processing period and a minimum interval of the add-on dots, and the position information preventing the add-on signals added by the signal add-on section from crossing over the halftone dots, and an add-on control section that continues or repeats add-on control processing of the add-on signals, executed based on the acquired position information, in a second image area based on the common multiple and consecutive from the first image area.