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:
Sep. 13, 2005
Filed:
Jun. 15, 2004
Junichi Tanizaki, Kasuya-gun, JP;
Takuo Shimokawa, Chikugo, JP;
Yoshitaka Kitaoka, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An optical unit includes an incidence optical member for giving a different angle to each of a plurality of laser beams to form a color image and making the laser beam incident on a single polygon mirror rotation body; a single first reflecting mirror for reflecting the laser beam for each color reflected on the polygon mirror in the opposite direction to the incidence direction; and a single or plurality of second reflecting mirrors having Fθ characteristics for forming an image of each reflected laser beam reflected on the first reflecting mirror on the image formation position for each color.