Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 4, 2009
Patent Application Number
11842612
Date Filed
August 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a light source comprising one or more light-emitting elements, one or more photosensors and, a photosensor light guide, such as, for example, a substantially planar light guide. The photosensor light guide is generally configured to capture and guide some of the light emitted from the one or more light-emitting elements to one or more photosensors optically coupled thereto, the light sensed thereby being useable as a basis for controlling the respective outputs of the one or more light-emitting elements.
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