Stereo imaging system
US4078854A · kind A · utility
30Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1975 |
| Grant date | Mar 14, 1978 |
| Priority date | — |
| Expiry date | Nov 10, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/243
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stereo image projection system in which one or a plurality of original pictures are projected onto a plate-shaped optical element. The element changes an incident beam to a beam of prescribed shape with a diffusion angle of more than 10.degree. in one direction and with a diffusion angle of less than 20.degree. in another direction perpendicular to the one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.