Industry Patents
Patent: 6604843
Searchlight With Improved Optical Density
(Click image for PDF of full patent)
| Patent Number: |
6604843 |
| Title: |
Searchlight With Improved Optical Density |
| Abstract: |
This invention relates to searchlight type light devices including
underwater light devices and automobile headlights. A light device in
accordance with the present invention provides light beam compression
along the optical axis and thus increases considerably the intensity or
optical density of the beam. The light device includes a light source, a
main concave reflector, and a lens projection system, the main concave
reflector and the lens projection system being aligned relative to the
optical axis and the light source being located between the reflector and
the lens projection system, on the same optical axis. In addition, the
main collecting pre-reflector lens is mounted between the light source and
the main reflector, the main reflector's concave surface being implemented
as a segment of sphere, and the light source being located in the focal
point of such main reflector. Said main collecting pre-reflector lens has
a focal length exceeding the main reflector's focal length by a factor of
1.25-2.0, its diameter is equal to or exceeds the main reflector diameter,
and this lens is located at a distance from the main reflector which does
not exceed half of the distance from the main reflector to the light
source.
|
| Country of Issue: |
US |
| First Named Inventor: |
Shpizel |
| Assignee: |
Hyperboloid Corporation |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 13/04 |
| US Classification: |
362/299 |
| Issue Date: |
08-12-2003 |
| Filing Date: |
12-20-2001 |
| Application : |
10/029453 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
6604843 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6604843 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.
Disclaimer: This web site is not intended to offer comprehensive or sufficient
information to enable a full legal analysis of a patent or potential
infringement. The information provided on this web site is intended
as general information only, and is not intended to serve as legal
opinion, legal advice or as a substitute for legal counsel. If you
have a question about a specific factual situation, you should
contact an attorney directly
|
