| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent a personal identification number from being known by the others from the movement of fingers and an arm of an input operator, while minimizing the impairing of the operability when the personal identification number is inputted from an input operation screen such as a longitudinally and laterally arranged ten-key. <P>SOLUTION: This personal identification number input device comprises a display device 13 for displaying two or more keys longitudinally and laterally arranged, a key operation detecting part 12 for detecting the selecting operation of one of the keys, and a key display control part 14 for controlling a display position of two or more keys on the screen of the display device 13. The key display control part 14 moves the display position of all or a part of the keys in the row direction or the line direction every detection of one key selecting operation by the key operation detecting part 12. <P>COPYRIGHT: (C)2003,JPO</p> |
