Patent ID: 6971770
Filing Date: 2005-12-06
Classification: F21S,F21V,F21W,Y10S

Abstract:
1. A lighting apparatus having a light path defined therethrough, comprising: an effect wheel having a center and an effect region located radially outwardly of the center, the effect region being configured to alter the visual appearance of a light beam passing therethrough; a rotation mechanism arranged to rotate the effect wheel about the center; and a translation mechanism arranged to move the effect wheel between a first position in which the effect region is outside of the light path, and a second position in which the effect region intersects the light path and in which the center of the effect wheel is outside the light path (iii) a third position in which the effect region intersects the light path and in which the center of the effect wheel is outside the light path and wherein a radius through the light path from the center of the effect wheel in the third position is substantially perpendicular to a radius through the light path from the center of the effect wheel in the second position.