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US2016018901A1
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Enabling data tracking without requiring direct contact
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US2010328261A1
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Capacitive touchpad capable of operating in a single surface tracking mode and a button mode with reduced surface tracking capability
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US2010328207A1
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Visual clarity of a substantially transparent touchpad
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US2009167719A1
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Gesture commands performed in proximity but without making physical contact with a touchpad
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US2008273017A1
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Touchpad using a combination of touchdown and radial movements to provide control signals
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US2008272927A1
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Illuminated feedback for a touchpad by providing a light source that is associated with a finger position on a touchpad
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US2007279385A1
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Capacitance sensing touchpad circuit capable of dual use as a touchpad controller and keyboard controller
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US2007013674A1
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Rectangular sensor grid that provides functionality as a rectangular touchpad sensor and a circular scrolling region
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