Color mixing lighting assembly
US5188452A · kind A · utility
27Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/406
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Light assembly for providing a focused image of varying color hue and saturation intensity which includes means for providing a point light source, a filter set in which the filters are complementary colors, and a light mixing channel to pass additively mixed light rays to an objective lens system which produces the focused image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.