Patent ID: 8531431
Filing Date: 2013-09-10
Classification: G02F,G06F,G09G

Abstract:
1. A touch sensor capable of determining at least one position of at least one conducting object with respect to a display device of the touch sensor, comprising: in the display device a first substrate on which at least a first display electrode is disposed and a second substrate on which at least a second display electrode is disposed, for the display of a shape on the display device; an interface coupled to at least one of the first display electrode or the second display electrode for receiving display data to the display device; a measuring circuit coupled to the at least one display electrode; a switching circuit for: wherein the measuring circuit, when the switching circuit is in the second state of operation, is adapted to perform at least one measurement of the capacitive load of the at least one display electrode, and wherein the measurement is performed by, at a time instant: