Touch sensitive visual display system

Details Touch sensitive visual display system Touch sensitive visual display system

1987-12-04

1990-01-09

Oberley, Alvin

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

341 22, 341 23, G06F 3033

Patent

active

048931152

ABSTRACT:
A flat panel visual display system having orthogonally disposed display electrodes which are provided by display command signals from a computer to cause activation of portions of the display is provided with additional electrodes. The additional electrodes are orthogonally disposed in a plane parallel to the display electrodes and are interconnected so that an operator touching the additional electrodes will shunt at least a portion of the display command signals to ground or back to the computer. The computer is provided with sensor circuitry for sensing the shunting and providing an indication of the location of the simultaneous occurrence of the display command signals and the operator's touch.

REFERENCES:
patent: 3772685 (1973-11-01), Masi
patent: 3971013 (1976-07-01), Challoner et al.
patent: 4290061 (1981-09-01), Serrano
patent: 4363029 (1932-12-01), Piliavin et al.

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