Projection display system with touch sensing on screen, computer

Details Projection display system with touch sensing on screen, computer Projection display system with touch sensing on screen, computer

1995-06-07

2000-10-31

Brier, Jeffery

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

178 1803, G09G 500, G08C 2100

Patent

active

061410004

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.

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