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:
Aug. 07, 2007
Filed:
Jan. 05, 2007
Applicant:
Joseph MA, Waterloo, CA;
Inventor:
Joseph Ma, Waterloo, CA;
Assignee:
Christie Digital Systems Inc., Kitchener, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dual lamp coupling system is provided using a single equilateral 60 degree triangle prism in front of the integrator rod to homogenize the focused light from two lamps, with increased projection brightness. According to one embodiment, the equilateral 60 degree triangular prism is integrated into the end of the rod.