High efficiency lighting units and systems using same

Details High efficiency lighting units and systems using same High efficiency lighting units and systems using same

F - Mech Eng,Light,Heat,Weapons

21

V

240/155

F21V 7/00 (2006.01)

Patent

CA 1132115

HIGH EFFICIENCY LIGHTING UNITS AND SYSTEMS USING SAME ABSTRACT OF THE DISCLOSURE A lighting unit comprising a lamp and a reflector provides high intensity, high efficiency, even illumination over an area of particular shape and size and has a cut-off angle which enables a person to approach close to the light unit without seeing the lamp or its reflection. The reflector comprises a plurality of curved reflector surfaces which have an opening in a frontal plane defined by the edges of the current reflector surface. The lighting unit, which may employ reflector surfaces in addition to those above mentioned, is employed in systems wherein it projects light upwardly for downward reflection from a ceiling or projects light downwardly directly onto a work surface. the lighting unit is located in some systems so that the reflector opening is near eye level of a standing or sitting person.

371450

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