Color wheel for lighting devices
US5060126A · kind A · utility
15Cited by
6References
8Claims
0Family size
Inventors
Key dates
| Filing date | Jul 23, 1990 |
| Grant date | Oct 22, 1991 |
| Priority date | — |
| Expiry date | Jul 23, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/406
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Color wheel for lighting fixture, which includes a polygonal metal plate, which has slotted metal bars seated on the side edge of the polygonal plate with rectangular glass plates, e.g. dichroic filters adhesively held in the slots of the metal bars spaced. The glass plates are not in direct contact with the metal bars and are spaced close to each other, but not in contact, in a peripheral array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.