Industry Patents
Patent: 4602321
Light Source Having Automatically Variable Hue, Saturation and Beam Divergence
(Click image for PDF of full patent)
| Patent Number: |
4602321 |
| Title: |
Light Source Having Automatically Variable Hue, Saturation and Beam Divergence |
| Abstract: |
A variable light source includes a light (14) which projects a white light
beam. Three filters sets (60, 62 and 64) each include three pivotable
dichroic filter elements. Each element is rotatable around an axis
perpendicular to the light beam in order to vary the angle of incidence to
vary the hue of the light beam. Rotation of the filter elements also
varies the white light transmitted past the filter elements in order to
vary the saturation of the light. The distance between the light source
(26) and the reflector (28) may be varied to change the divergence of the
light beam.
|
| Country of Issue: |
US |
| First Named Inventor: |
Bornhorst |
| Assignee: |
Vari-Lite |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 9/00 |
| US Classification: |
362/268 |
| Issue Date: |
07-22-1986 |
| Filing Date: |
02-28-1985 |
| Application : |
706720 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
4602321 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
4602321 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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