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:
Mar. 31, 2009
Filed:
Mar. 03, 2005
Kenro Ohsawa, Musashino, JP;
Nagaaki Ohyama, Kawasaki, JP;
Masahiro Yamaguchi, Yokohama, JP;
Takeyuki Ajito, Sagamihara, JP;
Kenro Ohsawa, Musashino, JP;
Nagaaki Ohyama, Kawasaki, JP;
Masahiro Yamaguchi, Yokohama, JP;
Takeyuki Ajito, Sagamihara, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A display apparatus includes a color image projection unit and a screen. The color image projection unit includes a converter which receives image signals of three primary colors, and converts the received image signals of three primary colors into image signals of four or more primary colors, and a color image projector which includes a plurality of image projection devices having respective primary colors, and which receives the image signals of four or more primary colors, and projects the received image signals of four or more primary colors onto the screen. The color image projector is capable of physically adjusting positions of the image signals of four or more primary colors, which are projected onto the screen such that the positions of the image signals are coincident with each other.