Patent ID: 8072439
Filing Date: 2011-12-06
Classification: G06F

Abstract:
1. A computer implemented method performed in a system including a processor coupled to digital data storage and a display having a touch-sensitive display surface, the display surface including a material layer with at least one optical property that changes responsive to pressure applied to the material layer, the method comprising the tasks of: in the digital data storage, storing a record defining a collection of multiple user gestures, each gesture executable by touching the display, and further storing for each user gesture an assignment of one or more of multiple prescribed operations of modifying subject matter presented by the display; the processor performing visual analysis of the material layer; for each of one or more touches experienced by the display surface, the processor using input including at least the visual analysis to track a position history of the touch; the processor identifying from the collection of user gestures at least one user gesture executed by the one or more touches, the identifying being performed based at least in part upon the position history of the one or more of the touches experienced by the display surface; and the processor identifying the one or more prescribed operations assigned to the executed user gesture, and causing the display to modify the subject matter presented by the display according to the identified one or more operations.