Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Petrus Adrianus Josephus Holten0
Date of Patent
October 2, 2007
0Patent Application Number
105492330
Date Filed
March 15, 2004
0Patent Primary Examiner
Patent abstract
A luminaire for indirect lighting has a main reflector, a counter-reflector with a light emission window in a plane T. The counter-reflector and reflector are oppositely arranged. The main reflector has a reflecting surface built up from a plurality of facets n having a curvature in cross-section. The curvature of each respective facet n is such that light coming from a light emission window and hitting a given facet n is reflected through an angle of reflection Φn<=αn−β, in which, β is a smallest angle of reflection with the plane T at which glare is just counteracted, and αn is a greatest angle of reflection with the plane T at which reflected light just clears the counter-reflector.
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