Projector of narrow field moving images
US5663817A · kind A · utility
50Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1994 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Aug 4, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0154
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A structure including a laser source 1, a collimator 14, a liquid-crystal cell spatial modulator 7, a convergent lens and a zoom 10 function to project moving images with variable enlargements onto a screen 11 for use with air combat simulators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.