Patent ID: 8368658

Claim:
A system comprising: a sensor located at an exterior surface of an electronic device that receives presence information relating to presence of at least a portion of a hand of a user relative to the exterior surface; a memory that stores computer executable instructions and the presence information; a processor, communicatively coupled to the memory and sensor, that facilitates execution of the computer executable instructions to at least: determine, based on the presence information, which hand of two user hands is being used to hold the electronic device, determine whether a position of contact with a touch screen of the electronic device has been made by a thumb of the hand determined to be holding the electronic device, and in response to a determination that the position of contact has been made by the thumb of the hand determined to be holding the electronic device: determine an angle of the thumb with respect to the touch screen based upon a deviation of a shape of the position of contact from a circular shape, and provide a correction factor for the position of contact based on the angle.