Industry Patents

Patent: 6379022

Auxiliary Illuminating Device Having Adjustable Color Temperature

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Patent Number: 6379022 
Title: Auxiliary Illuminating Device Having Adjustable Color Temperature 
Abstract: An auxiliary illuminating device that has an adjustable color temperature. The color temperature is adjusted by varying the light output at least two independently adjustable light sources. The light source is an array of at least 2 colors. The light source typically uses at least one set of LED's.  
Country of Issue: US 
First Named Inventor: Amerson, Hubel, Motta 
Assignee: Hewlett-Packard 
Continuation or Divisional of:  
International Classification: G21Y 9/00 
US Classification: 362/231 
Issue Date: 04-30-2002 
Filing Date: 04-25-2000 
Application : 09/557137 
Notes:  
Link to Patent at freepatentsonline.com: 6379022 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 6379022 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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