Color wheel with aligned segments
US7295392B2 · kind B2 · utility
4Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 19, 2006 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Apr 19, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/006
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color wheel for use in projector systems comprises a disc shaped hub, rotatable around a central axis and color filter segments arranged radially to said central axis and affixed to said hub. This color ring is arranged concentrically with respect to said axis and said segments' contour comprising an outer arc, an inner arc and two radial parts. Each of the radial parts comprises a recess arranged such that during assembly of said segments pairs of neighboring recesses form a hole which again engages in a corresponding peg on the hub in a form fitting manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.