Systems and methods for providing features in a friction display including a haptic effect based on a color and a degree of shading
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United States of America Patent
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Sep 11, 2018
Grant Date -
Nov 9, 2017
app pub date -
Jul 13, 2017
filing date -
Mar 12, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A touch-enabled device can simulate one or more features in a touch area. Features may include, but are not limited to, changes in texture and/or simulation of boundaries, obstacles, or other discontinuities in the touch surface that can be perceived through use of an object in contact with the surface. Systems include a sensor configured to detect a touch in a touch area when an object contacts a touch surface, an actuator, and one or more processors. The processor can determine a position of the touch using the sensor and select a haptic effect to generate based at least in part on the position, the haptic effect selected to simulate the presence of a feature at or near the determined position. Some features are simulated by varying the coefficient of friction of the touch surface.
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