Interactive display system

Details Interactive display system Interactive display system

H - Electricity

01

J

340/135.1

H01J 29/96 (2006.01) G06F 3/033 (2006.01)

Patent

CA 1228905

ABSTRACT INTERACTIVE DISPLAY SYSTEM A system whereby a user can interact directly with a display by touching the screen of the display with a probe. The screen is covered by individual resistive tracts each of which is energised by a different source signal. Position co-ordinates of probe contact with the screen are determined simultaneously using probe circuitry for signal identification and for signal level measurement. Display address signals may be used for energisation, eliminating the need for a separate source. The tracks may be formed on the surface of the screen rather than on an overlay, and to conserve the number of source connections required, may be of folded configuration.

447025

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