Identifying contacts on a touch surface
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United States of America Patent
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Nov 17, 2009
Grant Date -
Oct 26, 2006
app pub date -
Jul 3, 2006
filing date -
Jan 26, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing, multi-touch surface. Identification and classification of intuitive hand configurations and motions enables unprecedented integration of typing, resting, pointing, scrolling, 3D manipulation, and handwriting into a versatile, ergonomic computer input device.
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