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:
Feb. 09, 2016
Filed:
Dec. 21, 2012
Yoshihiro Inukai, Kanagawa, JP;
Shinichi Wakahara, Kanagawa, JP;
Naofumi Yoshimizu, Saitama, JP;
Akira Murakata, Tokyo, JP;
Taira Matsuoka, Kanagawa, JP;
Taro Kikuchi, Tokyo, JP;
Yoshihiro Inukai, Kanagawa, JP;
Shinichi Wakahara, Kanagawa, JP;
Naofumi Yoshimizu, Saitama, JP;
Akira Murakata, Tokyo, JP;
Taira Matsuoka, Kanagawa, JP;
Taro Kikuchi, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A projection display device according to the invention includes a separating unit that assigns X separation information for identifying a type of an image to each pixel by using a characteristic amount of the input image, a luminance detecting unit that detects a luminance of a screen, a first determining unit that determines a first target region indicating a region on which halftone processing of converting the number of gradations is performed on the input image by using the X separation information, and a halftone processing unit that executes the halftone processing that varies depending on the luminance on the first target region.