Patent ID: 8018440
Filing Date: 2011-09-13
Classification: G06F

Abstract:
1. In a computer system having a graphical user interface including a touch-sensitive device, a method of distinguishing between intentional and inadvertent contact on the touch-sensitive device, the method comprising: receiving a touch on the touch-sensitive device; determining whether a confidence level of the touch exceeds a predetermined level based in part on historical variations in one or more of a set of parameters of the touch, by: wherein the activity context comprises a user pattern which comprises a consistency demonstrated by a user using a stylus to enter data in a window of an application, wherein a parameter of the set of parameters includes a level of noise associated with the parameter of the set of parameters; and if the touch exceeds the predetermined level, communicating an associated input to an application, the predetermined level depending on a location of the touch on the touch-sensitive device, a particular application that is active when the touch-sensitive device receives the touch, or both.