Patent ID: 6292179
Filing Date: 2001-09-18
Classification: G06F

Abstract:
A software keyboard system using a touch screen, comprising:a screen displaying a keyboard image;a touch panel on said screen, generating a coordinate value in accordance with a position pressed by a stylus;a converter receiving said coordinate value and outputting a digital value;a memory storing:names of keys forming said keyboard image,for each of said keys, a plurality of respective key codes, andfor each of said key codes, corresponding screen and direction range information;a controller controlling said display of said keyboard image, receiving said digital value for a trace of said stylus, and determining the position and direction of said trace;wherein said controller selects one of said key codes based on said position and on said direction of said trace, andwherein said controller controls said screen to display, in said keyboard image, an image of said generated key code for a predetermined time after said controller selects said one of said key codes, and then to restore said image of said generated key code to its original state.