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. 14, 2012
Filed:
Jan. 21, 2009
Applicants:
Hirofumi Aota, Kawasaki, JP;
Kohei Shibata, Kawasaki, JP;
Tamotsu Akashi, Kawasaki, JP;
Tsuyoshi Yamamoto, Kawasaki, JP;
Inventors:
Hirofumi Aota, Kawasaki, JP;
Kohei Shibata, Kawasaki, JP;
Tamotsu Akashi, Kawasaki, JP;
Tsuyoshi Yamamoto, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical apparatus includes a collimation optical member for collimating and outputting input light, a condensing optical member for condensing light from the collimation optical member and a light blocking mask member provided at a place on an optical path of the input light for light blocking part of the input light, and enhances the degree of freedom in design of an optical system.