| 摘要 |
PROBLEM TO BE SOLVED: To enable visual feedback to a user, with a feeling of touch, of the fact that a touch panel has been pressed.SOLUTION: A touch panel 12 is in contact with piezoelectric elements 17a to 17f. When the touch panel 12 is operated, a vibration control unit 20 drives the piezoelectric elements 17a to 17f to vibrate the touch panel 12. When the touch panel 12 is operated, a screen control unit 21 changes the brightness of a screen of a display unit 11 in accordance with the vibration of the piezoelectric elements 17a to 17f caused by the vibration control unit 20. |
