Patent Document ID: 20160034099
Application ID: 14881739
Patent Status: 0

Claim One:
1. A method for extracting data from a multi-touch sensing apparatus, wherein said method operates in a sequence of detection frames, each detection frame comprising the steps of: obtaining at least one signal representative of objects on a touch surface of the sensing apparatus; processing said at least one signal for identifying touches; determining a set of identified touches and touch data for the set of identified touches; and outputting the touch data; wherein each detection frame includes a prioritization based on a previous touch which is identified by the step of processing in one or more preceding detection frames, wherein the prioritization is included in at least one of the step of processing and the step of determining, wherein the prioritization in the step of processing comprises a step of actively favoring that a touch corresponding to the previous touch is identified, and wherein the prioritization in the step of determining comprises a step of actively favoring that an identified touch corresponding to the previous touch is included in the set of identified touches; wherein the step of processing comprises a step of comparing a spatial distribution of signal values to corresponding threshold values, wherein the step of actively favoring in the step of processing comprises estimating the location of the touch that corresponds to the previous touch and locally changing the threshold values based on the thus-estimated location.