Projector system comprising pulsed light sources
US7347557B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Mar 15, 2005 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Jan 19, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/315
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection system comprising a light source is disclosed, wherein the light source comprises at least two light emitters arranged to be optically positionable alternately in a first position and a second position by an optical positioning means wherein said optical positioning means is arranged to change the light emission from said light emitters to a preferred optical path being said first position, a power source arranged to empower said light emitters, wherein the light emitter optically positioned in said first position is empowered by said power source and the light emitter optically positioned in said second position is not empowered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.