Compact sized optical projection system
US5612814A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 24, 1995 |
| Grant date | Mar 18, 1997 |
| Priority date | — |
| Expiry date | Aug 24, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/0858
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A compact sized optical projection system capable of displaying an image of M.times.N pixels in various sizes, wherein M and N are integers, includes a light source, a source stopper, a source lens, a total reflection mirror, an array of M.times.N actuated mirrors, a projection stopper, a projection lens, a projection screen and an array of M.times.N pixel filters, wherein the array of M.times.N pixel filters includes a plurality of sets of R pixel filter, G pixel filter and B pixel filter, and each of the sets is repeated both in a horizontal and a vertical directions, and each of the pixel filters is capable of transmitting only one of the primary light beams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.