Industry Patents
Patent: 5647662
Apparatus for Cooling a Light Beam
(Click image for PDF of full patent)
| Patent Number: |
5647662 |
| Title: |
Apparatus for Cooling a Light Beam |
| Abstract: |
Apparatus for cooling a light beam used to project an image on a projection
surface. The apparatus includes a light beam source and a gas cooling
circuit. A cooling chamber is connected to conduct gas through the
circuit. An image projection device is mounted in the chamber. The chamber
has a thermally protected environment. A driving device is provided in the
circuit. A heat conducting gas is moved by the driving device to circulate
within the circuit. The thermally protected environment may include an
atmosphere of atomized, heat conducting fluid. A heat extracting filter
may be mounted in the light beam adjacent the cooling chamber.
|
| Country of Issue: |
US |
| First Named Inventor: |
Ziegler, Belliveau |
| Assignee: |
High End Systems |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 29/00 |
| US Classification: |
362/294 |
| Issue Date: |
07-15-1997 |
| Filing Date: |
10-06-1995 |
| Application : |
550251 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
5647662 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
5647662 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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