US Patent 7275840 Luminaire
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Patent Inventor Names
Petrus Adrianus Josephus Holten0
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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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US Patent 07275840 Luminaire US Patent 7275840 Luminaire
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Patent Number
072758400
Patent Number
72758400
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Patent Jurisdiction
Patent Number
072758400
Date of Patent
October 2, 2007
0Patent Application Number
105492330
Date Filed
March 15, 2004
0Official Website
Patent Primary Examiner
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US Patent 07275840 Luminaire
Infobox
Is a
Patent jurisdiction
Patent number
07275840
Date of patent
October 2, 2007
Patent application number
10549233
Date Filed
March 15, 2004
Patent primary examiner
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