Industry Patents

Patent: 7652236

Lighting System For Color Control

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Patent Number: 7652236 
Title: Lighting System For Color Control 
Abstract: A lighting arrangement provides light of a desired color. The arrangement includes light sources that each emit light of a respective color that, when mixed, is perceivable as the desired color. A light detector is configured to receive light reflected by a color reference surface having a specific reference color. A controller is configured to analyzes a signal from the light detector and recognizes the color of the received light as the color of the reference surface. The controller controls the light sources such that the desired color corresponds to the color of the color reference surface.  
Country of Issue: US 
First Named Inventor: Cortenraad, Bergman, Deurenberg, Franse 
Assignee: Philips 
Continuation or Divisional of:  
International Classification: G01J 1/32 
US Classification: 250/205 
Issue Date: 01-26-2010 
Filing Date: 04-19-2006 
Application : 11/912341 
Notes:  
Link to Patent at freepatentsonline.com: 7652236 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 7652236 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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