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:
Apr. 19, 2016
Filed:
Dec. 06, 2011
Hiroki Masuda, Akishima, JP;
Hiroki Masuda, Akishima, JP;
CASIO COMPUTER CO., LTD., Tokyo, JP;
Abstract
A projector is provided which includes a light source unit which can reduce the numbers of lenses and mirrors and which can control quantity of light of each color. A light source unit of the invention includes a laser light source unitwhich has a plurality of red laser elementsR and a plurality of blue laser elementsB as two types of laser emitting elementswhich emit light of wavelength bands which are different from each other and in which the pluralities of red and blue laser emitting elementsR,B are arranged in a planar fashion, a diffusing unit which is disposed on an optical path of light emitted from the laser light source unitto diffuse the light emitted from the laser light source unit, and a light source control unit for controlling the illumination of the laser emitting elementsR,B.