System and method of image enhancement through light intensity modulation in digital projectors
US7249855B2 · kind B2 · utility
0Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2004 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Jul 15, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/315
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for image enhancement are disclosed. The system includes a light source adapted to generate a light beam and a light integration unit positioned along a light path of the light beam. A light intensity modulator is positioned between the light source and an exit of the light integration unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.