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:
May. 25, 2010
Filed:
Nov. 20, 2006
Applicant:
Ying-fang Lin, Taoyuan, TW;
Inventor:
Ying-Fang Lin, Taoyuan, TW;
Assignee:
Qisda Corporation, Taoyuan County, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light source apparatus for an optical projecting system is disclosed. A light source is disposed on a first optical axis. A second optical axis is perpendicular to the first optical axis. A plurality of light-guiding devices are respectively disposed on the first optical axis, the second optical axis, the first light source or the second light source, for guiding the light emitted by the light sources to the identical direction parallel to the second optical axis.