Method of and apparatus for touch-input computer and related...

Details Method of and apparatus for touch-input computer and related... Method of and apparatus for touch-input computer and related...

G - Physics

06

K

G06K 11/06 (2006.01) G06F 3/033 (2006.01)

Patent

CA 2091395

ABSTRACT A method of and apparatus for determination of touch location on a display screen or the like or other surface embodying a force-sensing platform or surface supporting or otherwise externally contacting the display screen monitor apparatus, and responding to the forces created by the thrust of touching a point of the display screen, to sense and calculate the location of the touching point. The underlying technique employs force-sensing means responsive to all six degrees of freedom of applied (touching) force and torque, achieving force location away from the plane of the sensors and in spite of tangential force components by calculating the point of least magnitude of the three-dimensional torque vector from among all points within the screen or surface, and outputting this point as an estimate of the intersection point of the screen or surface with the thrust line of the touching or other contact force.

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