System and method for providing rotational haptic feedback
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United States of America Patent
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Feb 28, 2012
Grant Date -
Sep 16, 2004
app pub date -
Oct 20, 2003
filing date -
Oct 20, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods for providing haptic cues to a touch-sensitive input device having a rotary degree of freedom are described. One system described comprises a touch sensitive input device is configured to move in a rotary degree of freedom. The system further comprises an actuator configured to produce a rotational force on the touch-sensitive input device. In one such system, the actuator comprises an electromagnetic core configured to produce force on a magnet affixed to the touch-sensitive input device. In another such system, a motor provides the rotational force.
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