Industry Patents
Patent: 6974232
Compact Lighting System With Improved Light Transmission and Color Filters
(Click image for PDF of full patent)
| Patent Number: |
6974232 |
| Title: |
Compact Lighting System With Improved Light Transmission and Color Filters |
| Abstract: |
A lighting system including a light source, a means of collecting and
focusing light from the light source, an aperture, a filter module
containing at least one color filter, and an image lens. A light beam from
the light source is focused through the aperture to define the image to be
projected. The aperture is positioned upstream of the color filter, with
the filter and the image lens being deployed in the area of the light beam
where the diameter is at a minimum. The filter elements used in the filter
module are two stage filters, having a first stage for a pastel level of a
particular filter color, and a second stage for a saturated level of the
subject color. Each stage has a gradient segment and a solid color
segment. The result is a filter element with four regions that blend into
each other.
|
| Country of Issue: |
US |
| First Named Inventor: |
Richardson |
| Assignee: |
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| Continuation or Divisional of: |
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| International Classification: |
F21V 9/00 |
| US Classification: |
362/293 |
| Issue Date: |
12-13-2005 |
| Filing Date: |
10-14-2003 |
| Application : |
10/685932 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
6974232 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6974232 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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