Image representation system
US6428169B1 · kind B1 · utility
34Cited by
10References
21Claims
0Family size
Inventors
Key dates
| Filing date | Oct 2, 2000 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Oct 2, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/56
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image display system a projector for emitting projection light for generating an image on a light-backscattering projection surface.The wavelengths of the projection light lie in one or more discrete wavelength regions in the visible spectrum and the projection surface is covered on the projector side by an optical filter which passes only light with wavelengths corresponding to those of the projection light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.