Interactive display system
US5448263A · kind A · utility
301Cited by
15References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1991 |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | Oct 21, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1813
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An interactive display system comprising a touch sensitive display surface for sensing pressure applied thereto and in response generating control signals indicating locations of the applied pressure, a personal computer for receiving the control signals and in response generating graph images, and an LCD panel in combination with an overhead projector for receiving and projecting the graphic images onto the touch sensitive display surface at the indicated locations. The LCD panel and overhead projector may be provided an an integral unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.