Projection display system with touch sensing on screen, computer assisted alignment correction and network conferencing
US6141000A · kind A · utility
200Cited by
19References
41Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1831
- WIPO fieldDigital communication
- 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.