Multi-dimensional scroll wheel
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United States of America Patent
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Apr 9, 2013
Grant Date -
Jun 4, 2009
app pub date -
Sep 5, 2008
filing date -
Dec 3, 2007
priority date (Note) -
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Abstract
A multi-dimensional scroll wheel is disclosed. Scroll wheel circuitry is provided to detect input gestures that traverse the center of the scroll wheel and to detect multi-touch input. The scroll wheel can include a first plurality of sensor elements arranged in a first closed loop and a second plurality of sensor elements arranged in a second closed loop, the first and second closed loops being concentrically arranged about the center of the scroll wheel.
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