Light-collecting reflector

Details Light-collecting reflector Light-collecting reflector

G - Physics

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240/158, 88/113.

G02B 5/10 (2006.01) F21S 8/00 (2006.01) F21V 7/00 (2006.01) F21V 9/04 (2006.01) F21V 13/04 (2006.01) F21V 14/06 (2006.01) F21V 29/00 (2006.01) G02B 27/18 (2006.01)

Patent

CA 1089270

ABSTRACT OF THE DISCLOSURE A light-collecting reflector for use with a source of light com- prises a main reflector having a central parabolic reflecting surface and a outer ellipsoidal reflecting surface surrounding the central surface. The main reflector is adapted to have a source of light placed along its central axis. A secondary reflector having a reflecting surface facing the reflector surfaces of the main reflector and having an open central portion to allow light to pass therethrough, is positioned in front of the main reflector so that light striking the reflector surface of the secondary reflector is reflected back toward the reflecting surfaces of the main reflector. The reflecting surface of the secondary reflector is arcuate with radii that emanate from a circle which is concentric with the center axis of the main reflector.

282672

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