Patent ID: 6086227
Filing Date: 2000-07-11
Classification: F21V

Abstract:
A reflector lamp providing an improved beam pattern comprising:a) an electric light source,b) a reflector with a wall defining a cavity, an axis, and a rim defining an opening, the light source being positioned in the cavity between the wall and the opening along the axis, the wall further having a reflective surface facing the light source shaped and positioned with respect to the light source to provide a beam of light, the reflective surface including a number of facets positioned around the axis whereby a cross section perpendicular to the axis through the facets provides N facet sections, wherein N is equal to or greater than 16 and less than or equal to 64, andc) a lens formed as a light transmissive plate shaped to mate with the reflector along the rim, the lens having a multiplicity lenticules distributed thereon, the lenticules positioned to form a plural number of M spiral arm patterns extending from the lens center to the lens rim, wherein N is greater than M.