Projection system using reflected light from a color wheel

Details Projection system using reflected light from a color wheel Projection system using reflected light from a color wheel

2006-07-06

2010-11-16

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Composite projected image

Reflector between lamp and screen

C353S033000, C353S034000, C353S084000, C353S031000, C353S098000, C353S122000, C359S196100, C359S201100, C359S237000, C359S290000, C359S291000, C359S321000, C359S636000, C348S771000, C348S800000, C348S801000, C345S036000, C345S039000, C345S044000, C345S045000, C345S076000

Reexamination Certificate

active

07832870

ABSTRACT:
According to one embodiment, a projection system includes a color wheel operable to filter light into a passed component and a reflected component. The projection system also includes a digital micromirror device comprising a plurality of micromirrors each operable to receive the passed component and the reflected component. Each micromirror is selectively positionable to direct, at approximately the same time, the passed component and the reflected component to desired locations. The projection system also includes an optical system operable to direct the passed component and the reflected component from the color wheel to the digital micromirror device at approximately the same time.

REFERENCES:
patent: 6392717 (2002-05-01), Kunzman
patent: 6398389 (2002-06-01), Bohler et al.
patent: 6419365 (2002-07-01), Potekev et al.
patent: 6445505 (2002-09-01), Morgan
patent: 6567134 (2003-05-01), Morgan
patent: 6906852 (2005-06-01), Russell
patent: 2002/0130977 (2002-09-01), Hibi
patent: 2005/0141076 (2005-06-01), Bausenwein et al.
patent: 264953 (1999-09-01), None

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