Self-capacitance input device with hovering touch
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United States of America Patent
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Jan 16, 2018
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app pub date -
Dec 16, 2015
filing date -
Dec 17, 2014
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Abstract
A self-capacitance input device with hovering touch includes a sensing electrode layer, a reflection and deflection electrode layer, an insulation layer, and an amplifier with a gain greater than zero. The sensing electrode layer has a plurality of sensing electrodes on one side for sensing a touch or approach of an external object. The reflection and deflection electrode layer is disposed on the other side of the sensing electrode layer and has at least one reflection and deflection electrode. The insulation layer is disposed between the sensing electrode layer and the reflection and deflection electrode layer. The amplifier has an output coupled to the reflection and deflection electrode layer.
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