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. 06, 1988
Filed:
Oct. 14, 1986
Applicant:
Inventors:
Assignee:
Nippon Kogaku K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; G03B / ;
U.S. Cl.
CPC ...
362268 ; 350167 ; 353 38 ;
Abstract
An illumination optical system comprises a multi-beam generator which includes a plurality of each of two kinds of lens elements different in optical characteristics and which is interposed between a source for generating a collimated light beam and a light condenser. The multi-beam generator generates a large number of secondary light sources from the collimated light beam. The illumination optical system is capable of supplying illuminating light rays having an extremely uniform illumination distribution.
Quick Actions:
Matsumoto, Koichi. (1988). Illumination optical system (U.S. Patent No. 4769750). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4769750
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile