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:
Aug. 02, 2011
Filed:
Sep. 28, 2007
Applicants:
Kenji Saitoh, Atsugi, JP;
Hiroshi Yoshikawa, Kawasaki, JP;
Inventors:
Kenji Saitoh, Atsugi, JP;
Hiroshi Yoshikawa, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 15/02 (2006.01); G03B 15/06 (2006.01); F21V 7/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
An illumination device has a light source that supplies illumination light to an object to be illuminated and also has a corner cube member disposed at the opposite side of the light source with respect to the object to be illuminated. With this feature, efficient illumination of the object to be illuminated is achieved without need for high precision in positioning.