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Position and Gesture Touch Sensor Responsive to Displacements and Angles of At Least One Contacting Finger
Position and Gesture Touch Sensor Responsive to Displacements and Angles of At Least One Contacting Finger
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机译:位置和手势触摸传感器响应至少一个接触手指的位移和角度
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摘要
A touch-based user interface system comprising an arrangement for scanning a tactile sensor array to produce a corresponding array of measurement values that are presented to a processor for computation. The computation produces a plurality of running sums created from selected measurement values or functions of selected measurement values. A post-scan computation algorithm derives at least three independently-adjustable interactive control parameters responsive to at least displacements or angles the contact of a single area of threshold contact or threshold proximity. The system provides output control signals responsive to the independently-adjustable interactive control parameters. In one aspect of the invention, n algorithmic element for handling of regions of threshold contact or threshold proximity having non-convex shapes. In another aspect of the invention, an algorithmic element calculates the rate of change of one or more of the independently-adjustable interactive control parameters. Other aspects of the invention include shape and gesture recognition.
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