Title:
PROJECTOR WITH SEALED LIGHT VALVE
Document Type and Number:
WIPO Patent Application WO2005017615
Kind Code:
B1
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.
Inventors:
ELLIS JIM W (CA)
MATTHEWS RICHARD (CA)
HOLLAND LLOYD F (CA)
PINHO GEORGE P (CA)
MATTHEWS RICHARD (CA)
HOLLAND LLOYD F (CA)
PINHO GEORGE P (CA)
Application Number:
PCT/CA2004/001514
Publication Date:
May 19, 2005
Filing Date:
August 16, 2004
Export Citation:
Assignee:
CHRISTIE DIGITAL SYS INC (CA)
ELLIS JIM W (CA)
MATTHEWS RICHARD (CA)
HOLLAND LLOYD F (CA)
PINHO GEORGE P (CA)
ELLIS JIM W (CA)
MATTHEWS RICHARD (CA)
HOLLAND LLOYD F (CA)
PINHO GEORGE P (CA)
International Classes:
G03B21/00; G03B21/16; H04N9/31; (IPC1-7): G03B21/00
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