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:
Feb. 22, 2011
Filed:
Nov. 08, 2007
Makoto Sato, Tachikawa, JP;
Makoto Sato, Tachikawa, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Abstract
There is provided a light source device which emits a bundle of rays with less diffused light and which is suitable for a projector, the light source device including a reflector whose inner surface is made to constitute a reflection surface, a lamp made up of a spherical light emitting portion and a sealing portion which is formed in such a manner as to pass through a center of the light emitting portion to project from the light emitting portion, and a conical mirror whose outer surface is made to constitute a reflection surface, which is formed into a cone shape and which covers a front sealing portion of the sealing portion of the lamp, wherein the light emitting portion of the lamp is disposed in a position where a focal point of the reflector resides.