OPERATION DISPLAY DEVICE AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To convey the feeling of operation to a user during flick operation.SOLUTION: There is provided an operation display device including a touch panel that displays an image on an operation screen on the basis of an image signal and outputs a pressing position on the operation screen as a detection signal, and the operation display device is further provided with vibration means for vibrating the touch panel, and control means for causing the vibration means to vibrate the touch panel when determined that flick operation is performed on the touch panel on the basis of a change over time of the detection signal.