| 摘要 |
A mobile terminal device 1 includes a touch panel display (21) that displays an image and receives an input operation of information by a user's finger, an operation lock control unit (24) that controls stop of the display of an image and the receipt of an input operation on the touch panel display (21), and a coordinates and distance detection unit (23) that detects proximity coordinates of the finger to the touch panel display (21) and a level of a proximity distance in the proximity coordinates, and the operation lock control unit (24) performs control to release the stop when a combination of the proximity coordinates and the level of the proximity distance is approximate to prestored pattern information. |
