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. 03, 2013
Filed:
Mar. 30, 2010
Naotsugu Ogura, Hamura, JP;
Naotsugu Ogura, Hamura, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Abstract
A projector includes a light source unit, a light guiding device, a display device, a projection side optical system and a projector control means, the light source unitincludes a light sourcewhich emits laser light in the wavelength band of blue, a light emitting wheeldisposed on an optical axis of the light sourceand a wheel motorfor driving to rotate the light emitting wheel, and the light emitting wheelis formed of a circular substrate having a diffusion layer on a predetermined surface thereof, the diffusion layer being made up of minute irregularities which are formed directly on a surface of the circular substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile