Method and apparatus for data entry for a liquid crystal display

Method and apparatus for data entry for a liquid crystal display

A touch screen for LCDs which uses a plurality of shockwave detectors disposed around the periphery of the viewing area to detect the location of a touch or tap which is the point of origin of an expanding shockwave.

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Bibliographische Detailangaben
Hauptverfasser: STUPPI ALBERT N, MARZEN VINCENT P, BAHADUR BIRENDRA, BISHOP GARY D, JONES MICHAEL R
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A touch screen for LCDs which uses a plurality of shockwave detectors disposed around the periphery of the viewing area to detect the location of a touch or tap which is the point of origin of an expanding shockwave.