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. 23, 2003
Filed:
Aug. 10, 2001
Applicant:
Inventors:
Masaharu Eguchi, Tokyo, JP;
Hidefumi Notagashira, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/126 ; G03B 2/122 ; G03B 2/128 ; G03B 5/08 ; G02F 1/1333 ;
U.S. Cl.
CPC ...
G03B 2/126 ; G03B 2/122 ; G03B 2/128 ; G03B 5/08 ; G02F 1/1333 ;
Abstract
The object of the present invention is to miniaturize an optical unit and an image display device. The optical unit of the present invention keeps an optical system so as to form an optical path inside a housing. The optical unit has at least one reflecting optical element, and the at least one reflecting optical element is formed in one body with the housing.
Eguchi, Masaharu. (2003). Optical unit, image display apparatus, and illumination adjustment method in an image display optical unit the same (U.S. Patent No. 6623123). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6623123
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile