Touch Sensing Systems
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United States of America Patent
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Issued Date -
Feb 19, 2015
app pub date -
Mar 25, 2013
filing date -
Mar 26, 2012
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Abstract
A touch sensing system, for sensing the position of at least one object with respect to surface, the system comprising: a first, 2D touch sensing subsystem to detect a first location of said object with respect to a surface and to provide first location data; a second, object position sensing subsystem to detect a second location of said object, wherein said second location of said object is not constrained by said surface, and to provide second location data; a system to associate said first location data and said second location and to determine additional object-related data from said association; and a system to report position data for said object, wherein said position data comprises data dependent on at least one of said first and second locations and on said additional object-related data.
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