Projection image display apparatus
US7871167B2 · kind B2 · utility
4Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2008 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Aug 14, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection image display apparatus includes a lens unit into which light modulated in accordance with an image signal is entered, a first reflecting mirror having a reflecting surface into which the light passing through the lens unit is entered and by which the light is converged, a second reflecting mirror for reflecting the light reflected by the first reflecting mirror, and a mirror actuator for changing a tilt angle of the second reflecting mirror with respect to the light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.