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. 21, 2013
Filed:
Mar. 01, 2011
Hiroyuki Fuse, Shizuoka, JP;
Hiroyuki Fuse, Shizuoka, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes: a storage unit including unique information identify to an apparatus main unit; a setting unit including setting information of the apparatus main unit instead of the unique information; a pattern addition unit that adds an addition pattern based on a unique pattern generated from the unique information or a setting pattern generated from the setting information to image data that is input to the apparatus main unit; an image formation unit that forms a visual image of the image data and an addition image of the addition pattern which is hardly recognized by eyes on a recording medium; and a control unit that changes the addition pattern formed by the image formation unit from the unique pattern to the setting pattern when an error depending on the unique information occurs.