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:
Dec. 04, 1990
Filed:
Jul. 25, 1989
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G03B / ;
U.S. Cl.
CPC ...
350-66 ; 350-64 ; 350-691 ; 350169 ; 353122 ; 362268 ;
Abstract
An illumination device includes a light source for supplying light, an optical system for forming plural light fluxes from the light supplied by the light source, a scanning system disposed to receive the light fluxes formed by the forming optical system and for scanning the light fluxes substantially at the same time, and another optical system effective to superimpose the scanned light fluxes upon one another on a surface to be irradiated.
Muraki, Masato. (1990). Illuminating device (U.S. Patent No. 4974919). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4974919
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile