Bi-directional presentation display
US5856819A · kind A · utility
69Cited by
17References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1996 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Apr 29, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2200/1612
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A bi-directional presentation display device for displaying an image visible to an audience on both sides of the display device. The display device has a pair of screens, each defining an image surface which face in generally opposite directions relative to one another. The display includes a power means for providing power to the pair of screens. A reflective element is disposed between the screens for aiding in illuminating the screens. A single light source concurrently illuminates the screens for displaying an image on the pair of image surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.