Patent ID: 6142652
Filing Date: 2000-11-07
Classification: F21S,F21V,F21W

Abstract:
A device to project various colors, hues, and intensities of light comprising:a light source that generates generally parallel light along an optic path,a primary optical element comprising an array of optical segments to create an area in said optic path where said light from said light source is divided into a plurality of light regions, each said light region is reduced in area after passing through said optical segment, anda filter means comprising at least one filter, each said filter comprises an array of filter segments, said filter means is located in said optic path past said primary optical means; whereinsaid filter means is deployed by moving said filter means from a non-deployed position in which said filter segments do not impinge said light regions to a deployed position in which said filter segments impinge said light regions, and an effect of said filter is controlled in degree by controlling an amount of impingement of said filter segments on said light regions.