Patent ID: 7144134
Filing Date: 2006-12-05
Classification: F21S,F21V,F21W

Abstract:
1. A light projector, comprising: a light beam source for projecting a beam of light along an axis; a beam shaping apparatus disposed in the path of the beam of light, the beam shaping apparatus including a first beam shaping wheel and a second beam shaping wheel, the first beam shaping wheel having a first plurality of apertures disposed about its periphery, at least one of said apertures having a first cylindrical lens disposed therein, the second beam shaping wheel having a second plurality of apertures disposed about its periphery, at least one of said apertures having a second cylindrical lens disposed therein, the first beam shaping wheel being rotatable to selectively pass each of the first plurality of apertures through the axis, the second beam shaping wheel being rotatable to selectively pass each of the second plurality of apertures through the axis, wherein the first and second beam shaping wheels are independently rotatable, and wherein each of the first and second cylindrical lenses is rotatable within its respective aperture.