Patent ID: 9110552
Filing Date: 2015-08-18
Classification: G06F

Abstract:
1. A method comprising: scanning, during a first operation, a first plurality of electrodes along a first axis in a capacitive sense array to generate a first plurality of signals corresponding to a mutual capacitance at electrode intersections of the capacitive sense array, the first plurality of signals to identify a first coordinate of a conductive object proximate to the capacitive sense array; scanning, during a second operation, a second plurality of electrodes along a second axis in the capacitive sense array to generate a second plurality of signals corresponding to the mutual capacitance at the electrode intersections of the capacitive sense array, the second plurality of signals to identify a second coordinate of the conductive object, wherein the second operation occurs during a different period of time than the first operation; determining, by a processing device during a third operation, the first coordinate of the conductive object proximate to the capacitive sense array based on the first plurality of signals and the second coordinate of the conductive object based on the second plurality of signals, the first coordinate and the second coordinate comprising a first location of the conductive object on the capacitive sense array; scanning, during the third operation, the first plurality of electrodes to generate a third plurality of signals, the third plurality of signals to identify a third coordinate of the conductive object, wherein each of the first plurality of electrodes are scanned during the third operation regardless of a result of the first and second; and determining, during a fourth operation, a third coordinate of the conductive object based on the third plurality of signals, the second coordinate and the third coordinate comprising a second location of the conductive object on the capacitive sense array.