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.

Date of Patent:
Dec. 26, 2006

Filed:

Aug. 14, 2003
Applicants:

Jim W. Ellis, Kitchener, CA;

Richard Matthews, Peterborough, CA;

Lloyd F. Holland, Waterloo, CA;

George P. Pinho, Waterloo, CA;

Inventors:

Jim W. Ellis, Kitchener, CA;

Richard Matthews, Peterborough, CA;

Lloyd F. Holland, Waterloo, CA;

George P. Pinho, Waterloo, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01); G03B 21/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projector incorporating a prism and a plurality of light valves for modulating light that passes through the prism, wherein a dust-sealed airspace is provided between an imaging surface of each light valve and the prism for providing air channels to cool respective ones of the light valves.


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