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:
Feb. 01, 2005
Filed:
Mar. 25, 2003
Applicant:
Osamu Osawa, Tokyo, JP;
Inventor:
Osamu Osawa, Tokyo, JP;
Assignee:
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2710 ; G02B 2730 ; G03B 2742 ; G03B 2752 ; G03B 2754 ;
U.S. Cl.
CPC ...
Abstract
A light emitting device according to the present invention comprises a light source, a condensing mirror for condensing light from the light source, a light intensity controlling unit for controlling light intensity of the condensed light, a collimator lens provided from the light intensity controlling unit at a focal distance of the collimator lens, and an integrator lens, wherein light emitted from the collimator lens is overlaid on an entire incident surface of the integrator lens.