Optical system for a projector, and corresponding projector

Optics: image projectors – Color filter

Reexamination Certificate

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C353S008000, C353S010000, C353S020000, C353S031000, C353S082000, C353S099000, C353S102000, C348S042000, C348S051000, C348S054000, C348S055000, C348S057000, C348S058000, C348S742000, C348S743000, C348S771000, C349S005000, C349S007000, C349S009000

Reexamination Certificate

active

07862182

ABSTRACT:
Optical system for a projector, comprising:at least a first polarizing beam splitter for splitting a source illumination beam into a first illumination beam linearly polarized along a first direction and a second illumination beam polarized perpendicular to the first direction;at least one color wheel intersecting the polarized illumination beams in two different regions and producing a first color beam linearly polarized along the first direction and a perpendicularly polarized second color beam; andtwo imagers illuminated by the first and second polarized color beams respectively.

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Search Report dated Mar. 23, 2007.

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