Strain-gauge mounting for force-sensing touch-screen

Details Strain-gauge mounting for force-sensing touch-screen Strain-gauge mounting for force-sensing touch-screen

G - Physics

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G01G 3/14 (2006.01) G06F 3/00 (2006.01) G06F 3/033 (2006.01) G08C 21/00 (2006.01)

Patent

CA 2072730

YO9-91-059 STRAIN-GAUGE MOUNTING FOR FORCE-SENSING TOUCH-SCREEN ABSTRACT OF THE DISCLOSURE A mounting for supporting a portion of a touch-panel or display and for measuring the force at the mounting due to a force applied to the touch-panel is described incorporating a touch-panel or display, a frame, a spring or beam having one end rigidly attached to the touch-panel or to the frame with the other end free to rotate and attached to a torsion bar, wire, or strap. The torsion bar may have portions at right angles to one another to permit limited motion in the plane of the touch-panel. The invention overcomes the problem of a strain gauge mounting with a mounting which may withstand excessive forces during shipping, subsequent distortion in the frame over time, and some lateral movement of the touch-panel in the plane of the touch-panel as well as some deflection during use.

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