Custom color wheel
US6011662A · kind A · utility
35Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 1998 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Jul 1, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A color wheel for lighting fixtures comprising a hub wherein removable, user-selected dichroic filters are engaged by a spring element. The filters are removably held by two pegs extending upward and one nub extending downward. The filters can be lifted for removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.