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:
Jul. 12, 2005
Filed:
Jan. 02, 2003
Applicants:
Hitoshi Shimizu, Saitama, JP;
Tadashi Iwasawa, Saitama, JP;
Inventors:
Hitoshi Shimizu, Saitama, JP;
Tadashi Iwasawa, Saitama, JP;
Assignee:
Fuji Photo Optical Co., Ltd., Saitama, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B007/02 ;
U.S. Cl.
CPC ...
Abstract
A rod integrator holder comprises a wall constituting at least a part of an intermediate portion interposed between a rod integrator in an illumination optical system or a holding member for the rod integrator, and an optical member disposed downstream the rod integrator or a holding member for the optical member. The intermediate portion tightly closes a space between a light entrance end of the optical member and a light exit end of the rod integrator against surroundings thereof.