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Patent publication No. 20140028575 ( Gesture and Touch Input Detection Through Force Sensing )
Claim 1. A computing device configured detect a user input comprising:
a processor;
a touch interface in communication with the processor and configured to detect a touch signal corresponding to an object approaching or contacting a surface;
at least three force sensors in communication with the processor and configured to detect a force signal corresponding to an object exerting a force on the surface;
wherein
in response to the force the processor determines a force centroid location; andthe touch signals are processed by the processor by analyzing the force centroid location.
Claim 9. A method for detecting user inputs to a computing device through force sensing, comprising:
detecting by three or more force sensors, a force input;
calculating by a processor in communication with the force sensors, a force centroid based on the force input; and
using the force centroid to analyze one or more user inputs to the computing device.
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