Image projection screen with reduced speckle noise
US7199933B2 · kind B2 · utility
16Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2005 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Aug 25, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3129
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is provided with an array of lenslets to reduce speckle noise in the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.