Projection module and projector incorporating same
US7896504B2 · kind B2 · utility
2Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2005 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Nov 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/74
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection module intended to project an image on a screen defining a specified projection plane is disclosed. The module includes an objective, for emitting an imaging beam; a curved mirror; and at least two deflection surfaces for deflecting the imaging beam, the deflection surfaces being placed in the path of the imaging beam between the objective and the curved mirror.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.