Industry Patents
Patent: 8727552
Spotlight with Diffuser
(Click image for PDF of full patent)
| Patent Number: |
8727552 |
| Title: |
Spotlight with Diffuser |
| Abstract: |
The invention relates to an illumination device, in particular in the
form of a luminous emitter (14) for TV recordings, stages, etc. The
luminous emitter (14) comprises a light source (29) and a plate-type
element (25) arranged in the beam path of the light source (29). The
plate-type element (25) comprises two transparent plates (26) with a
layer of liquid crystals (22) arranged in between. The liquid crystals
(22) are disordered in a first state. The liquid crystals (22) are
aligned with one another in a second state. An electrical voltage is
applied to the liquid crystal layer in order to change between the
states. The invention enables a rapid change between direct illumination
and diffuse illumination.
|
| Country of Issue: |
US |
| First Named Inventor: |
Helse |
| Assignee: |
|
| Continuation or Divisional of: |
|
| International Classification: |
F21V 7/04 |
| US Classification: |
362/97.2 |
| Issue Date: |
05-20-2014 |
| Filing Date: |
12-09-2010 |
| Application : |
12/964493 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
8727552 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
8727552 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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