Patent ID: 8160363

Claim:
A device for inputting characters or drawings on a mobile terminal, the device comprising: a user input means for transmitting input signals; a virtual screen generator for generating a virtual screen and for generating a virtual word screen including a preview window and a user input window; a position detector for detecting originating positions of the transmitted input signals on the virtual screen; and a control section for detecting trails corresponding to consecutive originating positions of the input signals by movement of the user input means to display the detected trails in the preview window, and recognizing the detected trails as characters or symbols to display the recognized characters or symbols in the user input window; wherein the virtual word screen comprises page keys for moving to a page selected by a user; and wherein detecting trails comprises moving to a page previous or next to a current page of the preview window and the user input window when one of the page keys is selected; wherein said virtual screen generator comprises at least one beam projector or laser diode.