Industry Patents
Patent: 12442511
Color Control in Light Fixture with Subtractive Color Mixing System and Additional Filter
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| Patent Number: |
12442511 |
| Title: |
Color Control in Light Fixture with Subtractive Color Mixing System and Additional Filter |
| Abstract: |
A method for controlling a subtractive color mixing system in a light fixture, comprising a light source, the subtractive color mixing system comprising a plurality of subtractive color filters, and an additional filter. The method is for emitting light having a target color upon having traversed the additional filter, such as upon having traversed the subtractive color mixing system and the additional filter and optionally being emitted from the light fixture. The method comprising receiving target information indicative of, such as defining, the target color, calculating a target control setpoint for each subtractive color filter within the plurality of subtractive color filters based on the target information, and calibration data, which for a plurality of sets of calibration control setpoints is indicative of an emitted color, controlling each of the subtractive color filters according to each calculated target control setpoint for each of the subtractive color filters. |
| Country of Issue: |
US |
| First Named Inventor: |
Jensen, Nielsen |
| Assignee: |
Harman Professional |
| Continuation or Divisional of: |
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| International Classification: |
F21V 9/40 |
| US Classification: |
F21V 9/40 |
| Issue Date: |
10-14-2025 |
| Filing Date: |
11-12-2021 |
| Application : |
17/525001 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
12442511 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
12442511 at Google Patents |
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