Patent ID: 8279202
Filing Date: 2012-10-02
Classification: G06F

Abstract:
1. A method of obtaining a visual display of an image and detecting a touch event on an LCD panel that has a plurality of row lines and a plurality of column lines, the method comprising the steps of: displaying an image on the LCD panel, the step of displaying including transmitting, in a predetermined sequential manner, visual display signals along the plurality of column lines and control signals along the plurality of row lines, wherein transmitting the visual display signals and the control signals results in periods of non-use for the displaying for each of the plurality of column lines and the plurality of row lines; and detecting the touch event using radio frequency touch signals propagated through at least some of the plurality of row lines and at least some of the plurality of column lines, wherein the step of detecting the touch event occurs during the periods of non-use for the displaying, including the periods of non-use for the at least some of the plurality of row lines and the at least some of the plurality of column lines wherein the propagated radio frequency touch signals consist of radio frequency touch transmit signals and result in radio frequency touch receive signals and wherein the step of detecting includes: