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An LED-based multitouch sensor for LCD screens

Echtler, Florian ; Pototschnig, Thomas ; Klinker, Gudrun


In recent years, a large number of multitouch sensor concepts have been presented. Particularly optical sensors are highly popular due to their versatility. However, especially camera-based systems often require a significant amount of space behind the screen and are not well suited to flatscreen-based setups. While integrated sensors for flatscreens have already been presented, they are mostly ...


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