Audio-visual tunnel with endless conveyor
US4630908A · kind A · utility
3Cited by
5References
13Claims
0Family size
Inventor
Key dates
| Filing date | May 20, 1985 |
| Grant date | Dec 23, 1986 |
| Priority date | — |
| Expiry date | May 20, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention pertains to a large tunnel enclosure including a main cylindrical corridor and a conveyor-belt-driven bottom floor. The main corridor comprises an inner wall being almost totally constituted by a plurality of adjacent image-producing screens, of translucent nature. The main corridor may be closed at each end thereof by extendable doors. The doors and the walls of the corridor comprise therewithin cameras which project images onto the inner side of the screens. The corridor is of modular construction, such that it may be dismantled in sub-units for facilitating transportation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.