Set-point validation for color/intensity settings of light fixtures
US7478922B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2007 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Jun 5, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed examples of lighting systems having at least three light sources of different colors may be controlled by validating input settings representing chromaticity and/or intensity of desired light to be generated by determining if the respective lighting system is capable of generating the desired light. This may involve comparing the chromaticity and/or intensity to a three-dimensional gamut representing chromaticity and associated intensities that the lighting system is capable of generating. The top contour of the gamut represents the maximum intensities for every chromaticity which the lighting system is capable of generating. Specifically the top contour is defined by points representing the maximum attainable intensities that each light source is capable of generating and the maximum intensity attainable by the lighting system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.