Patent ID: 6806869
Filing Date: 2004-10-19
Classification: G06F

Abstract:
A data processor comprising:a displaying means for displaying an interface screen on which images are generated, with each image corresponding to a data processing operation executed in one of a plurality of data layers, and selection of one of which enables a user to execute a corresponding predetermined operation; a discrete operating device for selecting a position corresponding to a particular image on said interface screen, and for transmitting identification data; a position detecting means for detecting a position selected by using an operating device; a storage means for storing identification data; a receiving means for receiving identification data; a determining means for determining whether or not identification data stored in said storage means is received by said receiving means; a data layer selecting means for selecting, on the basis of a determination result output from said determining means, one or more of said plurality of data layers; and a data processing means for carrying out data processing in a data layer selected by said data layer selecting means, said data layer in which said data processing operation is executed being determined by a position detected by said position detecting means.