Industry Patents
Patent: 7604375
Optical Integrating Chamber Lighting Usine One or More Additional Light Sources to Adjust White Light
(Click image for PDF of full patent)
| Patent Number: |
7604375 |
| Title: |
Optical Integrating Chamber Lighting Usine One or More Additional Light Sources to Adjust White Light |
| Abstract: |
A system provides white light having a selectable spectral characteristic
(e.g. a selectable color temperature) using an optical integrating cavity
to combine energy of different wavelengths from different sources with
white light. The cavity has a diffusely reflective interior surface and
an aperture for allowing emission of combined light. Control of the
intensity of emission of the sources sets the amount of primary color
light of each wavelength added to the substantially white input light
output and thus determines a spectral characteristic of the white light
output through the aperture. A variety of different elements may
optically process the combined light output, such a deflector, a variable
iris, a lens, a variable focusing lens system, a collimator, a
holographic diffuser and combinations thereof.
|
| Country of Issue: |
US |
| First Named Inventor: |
Rains, Brown |
| Assignee: |
Advanced Optical Technologies |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 9/00 |
| US Classification: |
362/231 |
| Issue Date: |
10-20-2009 |
| Filing Date: |
04-30-2008 |
| Application : |
12/149315 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
7604375 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7604375 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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