Multiple source high performance stereographic projection system
US8632189B2 · kind B2 · utility
6Cited by
20References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2005 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | May 24, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/363
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Multiple source high performance stereographic projection systems are described. One projection system described comprises a first projection channel, a first light source capable of providing light for the first projection channel, and a second light source capable of providing light for the first projection channel, wherein when the projection system is in a first presentation mode the first and second light sources are on, and wherein when the projection system is in a second presentation mode the first light source is on and the second light source is at a reduced power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.