Projection apparatus with three light source units to output light bundles into an integrating tunnel from a direction nonparallel to output direction
US7001025B2 · kind B2 · utility
2Cited by
7References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2004 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Jul 2, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection apparatus having three light source units optically coupled to an integrating tunnel. The three light source units to output three different color light bundles of different wavelengths into the integrating tunnel from a direction nonparallel to the output direction of the integrating tunnel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.