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:
Jul. 17, 2012
Filed:
Aug. 21, 2007
Shinji Ehara, Oita, JP;
Tadanori Aruga, Beppu, JP;
Hiromasa Yamada, Beppu, JP;
Kenji Tanaka, Beppu, JP;
Hiroyuki Akahane, Beppu, JP;
Masaki Uemori, Beppu, JP;
Shinji Ehara, Oita, JP;
Tadanori Aruga, Beppu, JP;
Hiromasa Yamada, Beppu, JP;
Kenji Tanaka, Beppu, JP;
Hiroyuki Akahane, Beppu, JP;
Masaki Uemori, Beppu, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes a projecting unit that projects a calibration image containing a plurality of types of pattern images having different shapes, a storing unit that stores correction data showing a correction value for each of the pattern images, a selecting unit that receives selection of a pattern image selected by a user from the pattern images, and a correcting unit that corrects distortion of an image projected by the projecting unit based on the correction value corresponding to the selection.