Vehicle assemblies having fascia panels with capacitance sensors operative for detecting proximal objects
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United States of America Patent
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Jul 11, 2017
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app pub date -
Aug 21, 2009
filing date -
Aug 21, 2009
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Abstract
A vehicle assembly includes an electrically non-conductive fascia panel and an electrical conductor mounted to the fascia panel. The conductor capacitively couples to an electrically conductive object proximal to the fascia panel while the conductor is driven with an electrical charge such that capacitance of the conductor changes due to the conductor capacitively coupling with the object. The assembly may further include a controller operable for driving the conductor with the electrical charge and for measuring the capacitance of the conductor to determine whether an electrically conductive object is proximal to the fascia panel. The controller controls a vehicle function such as movement of a movable panel like a lift gate associated with the fascia panel depending on whether an electrically conductive object is proximal to the fascia panel.
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