Patent ID: 8497847

Claim:
A system, comprising: a plurality of sensors located at exterior surfaces of an electronic device that receive location information relating to locations of portions of a hand of a user relative to the exterior surfaces; a memory to store instructions and the location information; a processor, communicatively coupled to the memory and sensor, that facilitates execution of the instructions to perform operations, comprising: determining, based on the location information, that the hand is being used to hold the electronic device, determining 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, determining an angle of the thumb with respect to the touch screen based upon a deviation determined for a shape of the position of contact from a circular shape, and determining a correction factor for the position of contact based on the angle.