TACTILE INTERFACE FOR A COMPUTING DEVICE
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United States of America Patent
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app pub date -
Aug 7, 2015
filing date -
Jan 5, 2009
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Abandoned
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Abstract
Input is detected on a dynamic tactile interface based on pressure events and touch sensor outputs. The dynamic tactile interface includes a touch sensor, a pressure sensor, and a compressible material. When both a pressure event and touch sensor output are correlated to identify an input, the input is processed by a display device associated with the dynamic tactile interface. The flexible material may be implemented as a variable volume associated with a deformable region, such that when the deformable region is depressed the variable volume decreases and the pressure sensor detects increased pressure. The flexible material may be implemented as a compressible layer between two layers that comprise the touch sensor, such that when an input is received on an upper layer of the touch sensor, the middle layer having the flexible volume may compress. The multi-layer touch sensor can be a capacitance touch or resistive touch sensor.
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