Invention Grant
US09588616B2 Cantilevered displacement sensors and methods of determining touching forces on a touch screen 有权
悬臂位移传感器和确定触摸屏上的接触力的方法

Cantilevered displacement sensors and methods of determining touching forces on a touch screen
Abstract:
Cantilevered displacement sensors with enhanced displacement sensitivity and methods of determining touching forces for multiple touch locations are disclosed. The cantilevered displacement sensors support the touch screen adjacent a touch screen perimeter. A displacement of the touch screen is amplified by a cantilevered member that extends over a proximity sensor. Touching forces at multiple touch locations are determining by performing a fit to the measured displacements based on the touch locations to obtain displacements at all positions of the touchscreen, then relating the displacement of the touch screen at the multiple touch locations to applied distributed loads at the respective multiple touch locations, and then multiplying the applied distributed loads by the corresponding touch-location area.
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