Projector
US7891826B2 · kind B2 · utility
32Cited by
18References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2005 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Mar 13, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0214
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projector includes: an image creation unit that projects image information upon a screen, comprising a plurality of picture elements that create an image pattern corresponding to the image information; and an illumination unit in which light emitting members are disposed upon a vertical plane with respect to an optical axis which passes through a center of the image creation unit, at equal distances from the optical axis and moreover in different locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.