Patent ID: 7128441

Claim:
A video projection system comprising at least a light source coupled to a reflector configured to concentrate the light into a beam, a motor-driven color wheel positioned to receive the beam, the motor-driven color wheel having plurality of light-transmitting segments, at least some of said segments being dichroic filters for the colors red, green, and blue, the color wheel being rotatable and having a rotation modifiable by a control, a lens system configured to images the beam onto a display, a display system comprising at least the display and a display control, and a projection lens positioned to receive the beam from the display, wherein said video projection system has not only a video projection mode but also a lighting mode, and wherein the video projection system comprises means for rendering the color wheel stationary with at least one segment of the color wheel at a defined position in the beam path, when the video projection system is in the lighting mode.