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:
Nov. 01, 2011
Filed:
Feb. 27, 2007
Ryuhei Amano, Osaka, JP;
Yoshihiro Yokote, Osaka, JP;
Hideyuki Kanayama, Kyoto, JP;
Kazuhiro Arai, Osaka, JP;
Takashi Ikeda, Osaka, JP;
Takashi Miwa, Osaka, JP;
Ryuhei Amano, Osaka, JP;
Yoshihiro Yokote, Osaka, JP;
Hideyuki Kanayama, Kyoto, JP;
Kazuhiro Arai, Osaka, JP;
Takashi Ikeda, Osaka, JP;
Takashi Miwa, Osaka, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
There are provided a write light valve for generating image-writing light by modulating write light, a driver for writing images into the write light valve based on image data, read light valves for each color for generating respective color image lights by modulating each received color illumination light, an imaging lens group for guiding the image-writing light emitted from the write light valve to the respective read light valves, a dichroic cube for combining together color image lights emitted from the respective read light valves, a projection lens for projecting each color image light combined together. The imaging lens group has a distortion aberration which reduces or cancels out a distortion aberration of the projection lens.