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1. 发明申请

US20190391689A1 SENSING APPARATUS 审中-公开
公开(公告)号：US20190391689A1
公开(公告)日：2019-12-26
申请号：US16478927
申请日：2017-09-28
申请人： TouchNetix Limited
发明人： Luben HRISTOV
IPC分类号： G06F3/044 , G06F3/041
摘要： A sensing apparatus for determining relative amounts of force applied to a sensing surface at a plurality of locations, the sensing apparatus comprising: a capacitive sensor element comprising the sensing surface, wherein the capacitive sensor element is moveably mounted; a displacement sensor element for detecting changes in the displacement of the capacitive sensor element; capacitive sensing circuitry coupled to the capacitive sensor element and configured to determine locations for a plurality of objects capacitively coupled to the sensing surface; displacement sensing circuitry coupled to the displacement sensor element and configured to determine changes in the displacement of the capacitive sensor element at a plurality of different locations; and processing circuitry configured to determine a location at which a net displacement load acts on the sensing surface from the determined changes in displacement of the sensor element, and to establish relative amounts of the net displacement load on the determined locations.

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