Normalizing capacitive sensor array signals
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United States of America Patent
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Dec 27, 2011
Grant Date -
Jan 8, 2009
app pub date -
Jul 3, 2008
filing date -
Jul 3, 2007
priority date (Note) -
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Abstract
An embodiment of the present invention is directed to a method for processing a position signal. The method includes receiving a first position signal from a capacitive sensor and determining a proximity of the capacitive sensor to a connection of an array of capacitive sensors. The sensitivity of the capacitive sensor is then adjusted and a second position signal is received from the capacitive sensor. The second position signal may then be reported. The present invention facilitates more accurate readings from an array of capacitive sensors.
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