Auxiliary illuminating device having adjustable color temperature
US6379022B1 · kind B1 · utility
157Cited by
10References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Apr 25, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An auxiliary illuminating device that has an adjustable color temperature. The color temperature is adjusted by varying the light output at least two independently adjustable light sources. The light source is an array of at least 2 colors. The light source typically uses at least one set of LED's.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.