| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent any misoperation due to cleaning by temporarily stopping the input of an inputting operation signal from a touch panel type operator to an operation controlling part for a fixed time, and to continue the display at the display part of a display device. SOLUTION: This device 1 is provided with a cleaning button 4 for cleaning a touch panel type operator operation face 6 of a touch panel type operator 5, a time detecting part 11 for counting a prescribed time since the start of the operation of the cleaning button 4, a signal on/off switch 12 for interrupting position information to be transmitted from an operating position detector 7 to an operation controlling part 10 until the lapse of a prescribed time after the start of the operation of the cleaning button 4, and a video signal detecting part 13 for detecting the presence of the change of video and character information transmitted from a video transmitting device 14, and for stopping the interruption of the signal on/off switch 12.</p> |
