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:
Oct. 11, 2011
Filed:
May. 24, 2007
Norimasa Furukawa, Tokyo, JP;
Mitsuru Okabe, Tokyo, JP;
Mitsunari Hoshi, Miyagi, JP;
Sony Corporation, , JP;
Abstract
An illumination system capable of varying the light emission intensity of illumination light while maintaining the color balance of the illumination light is provided. An additive process illumination system obtaining a specific color light by mixing a plurality of color lights, the illumination system may include a plurality of light sources each emitting a different color light; a lighting period varying means for varying the lighting period of each light source; a light emission intensity varying means for varying the light emission intensity of each light source; and a control means for controlling the lighting period varying means and the light emission intensity varying means to control the light emission amount of each light source.