Patent ID: 9329739
Filing Date: 2016-05-03
CPC Classification: G06F,Y02D

Claim Text:
1. A touch sensing system comprising: a plurality of sensing units configured to sample a voltage received from a touch screen and accumulate the sampled voltage; and a plurality of analog-to-digital converters configured to convert an output of the sensing units into digital data, wherein the sensing units and the analog-to-digital converters are divided into a plurality of groups in an idle state, wherein each of the plurality of groups includes at least two sensing units and one analog-to-digital converter, wherein at least one sensing unit included in at least one group is powered down when the at least one group is powered on in the idle state, wherein an analog-to-digital converter is powered on when the group it belongs to is powered on, and wherein the plurality of groups are powered on sequentially on a per group basis in the idle state.