Sensing data input
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United States of America Patent
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Aug 31, 2010
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N/A
app pub date -
Dec 15, 2000
filing date -
Dec 17, 1999
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Abstract
A user input device includes a sensor capable of sensing surface relief of human skin, a movement detector responsive to variation of the output of the sensor for detecting movement of skin across the sensor, and a user interface apparatus responsive to the movement detector to alert its state in correspondence to the detected movement.
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