APPARATUS AND METHOD FOR REDUCING AVERAGE SCAN RATE TO DETECT A CONDUCTIVE OBJECT ON A SENSING DEVICE
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United States of America Patent
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app pub date -
Aug 19, 2015
filing date -
Mar 30, 2006
priority date (Note) -
Abandoned
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Abstract
A switch circuit and method is described. In one embodiment, the switch circuit is configured to couple each of a plurality of plurality of capacitive sense elements and a plurality of capacitance sensors in different modes. In a first mode, the switch circuit is configured to couple each of the plurality of capacitance sensors to a group of two or more of the plurality of capacitive sense elements. In a second mode, the switch circuit is configured to couple the plurality of capacitance sensors to individual ones of the two or more of the plurality of capacitive sense elements in one of the groups.
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