Patent ID: 7534988
Filing Date: 2009-05-19
Classification: G06F

Abstract:
1. A method comprising: receiving first pixel values from a first sensor, the pixel values corresponding to a first movement of a pointing object within a first substantially planar region that includes at least part of the first sensor and at least a first part of the pointing object; receiving second pixel values from a second sensor, the second pixel values corresponding to a second movement of the pointing object within a second substantially planar region that includes at least part of the second sensor and at least a second part of the pointing object; determining first apparent size information with respect to at least the first part of the pointing object based on the first pixel values; determining second apparent size information with respect to at least the second part of the pointing object based on the second pixel values; determining first coordinates based on the first apparent size information relative to reference size information; determining second coordinates based on the second apparent size information relative to the reference size information; providing the first coordinates for translation into an action on a display; determining a relationship between the first coordinates and the second coordinates; and performing the action on the display based on the determined relationship.