| 摘要 |
<p>PURPOSE:To automatically detect whether a video recording is operated normally or not, to operate a cleaning at the time of the abnormal operation and to display it. CONSTITUTION:Recording operations are continuously executed on a tape where the rewinding of a recorded part and a reproducing operation are finished by a recording/reproducing executing means 4 after a video recording is done for a time and by quantity set beforehand. The existence of the abnormality of a reproducing signal (e) is detected while a reproducing operation outputted by the recording/reproducing means 4 is executed and when the abnormality is detected, a video head 5 is automatically cleaned by a cleaning means 6. Further, the existence of the reproducing signal detected by the detecting means 7 is displayed by a detection result outputting means 8.</p> |
