| 摘要 |
PROBLEM TO BE SOLVED: To provide a user interface device capable of selecting and operating a desired icon without using both hands while holding, by one hand, a device such as a mobile terminal comprising a touch panel function.SOLUTION: A user interface device comprises: a display unit comprising a touch panel function and a screen display function; and a control unit arranging, in an annular state, a plurality of icons corresponding to predetermined functions or data to display them on the display unit and rotating and moving the icons arranged in the annular state in a dragged direction according to a drag operation applied to the display unit. |
