Industry Patents
Patent: 7862208
Dimming Device for a Searchlight
(Click image for PDF of full patent)
| Patent Number: |
7862208 |
| Title: |
Dimming Device for a Searchlight |
| Abstract: |
A dimming device for a searchlight for adjusting the brightness of a light
field generated by a searchlight is provided. The dimming device
comprising a plurality of different screening elements, which are formed
and provided to partly or completely screen the light emitted by the
searchlight. The screening elements are formed by different structured
masks at least partly screening the light emitted by the searchlight,
which include regularly arranged opaque or partly transparent regions and
transparent regions. Means each are provided for incremental adjustment
of the brightness of the generated light field of the searchlight either
to bring the screening elements into the region of the light emitted by
the searchlight, in order to reduce the brightness of the light field
generated by one brightness level, or to remove the same from the region
of the light emitted by the searchlight, in order to increase the
brightness of the light field generated by one brightness level.
|
| Country of Issue: |
US |
| First Named Inventor: |
Melzner |
| Assignee: |
Arnold and Richter (Arri) |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 14/08 |
| US Classification: |
362/279 |
| Issue Date: |
01-04-2011 |
| Filing Date: |
04-23-2007 |
| Application : |
12/226811 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
7862208 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7862208 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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