Video projecting apparatus
US4479144A · kind A · utility
16Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1982 |
| Grant date | Oct 23, 1984 |
| Priority date | — |
| Expiry date | Apr 14, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/7483
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video projecting apparatus comprises a housing-like chassis which encases projecting lenses and cathode-ray tubes and is provided with a front portion having a movable reflecting mirror. With this video projecting apparatus, the reflecting mirror can be moved to an extended position for projection onto a screen and a contracted position in a front portion of the chassis by a driving mechanism attached to the reflecting mirror.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.