Illumination modulation technique
US7755650B2 · kind B2 · utility
4Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2004 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Feb 7, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A technique includes pulse width modulating an illuminating beam of a light to establish a pixel intensity and modulating the illuminating beam to create different tonal resolution ranges for the pixel intensity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.