Illusion creating visual display device
US4490745A · kind A · utility
22Cited by
1References
14Claims
0Family size
Inventors
Key dates
| Filing date | Jul 26, 1982 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Jul 26, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/7483
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical viewing device for creating an illusory image from a light source such as a cathode ray tube which includes mirrors for viewing the light source along plural paths through separate filters to separate the viewed image into independently positionable images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.