TELEVISION SHOOTING SYSTEM OPERATING AT DIFFERENT FREQUENCIES OF THE AC AREA AND TELEVISION FRAME AND TELEVISION SHOOTING DEVICE SUITABLE FOR THIS SYSTEM

摘要

P L2FU SCENE LIGHTING OBTAINED BY AC VOLTAGE A RESULT IN AN IMAGE SIGNAL TO BE PROVIDED BY A VIEWING DEVICE FOLLOWING LINES AND FRAMES AND HAVING DISTURBING PAPER FLOW PHENOMENES , DURING REPRODUCTION. THIS DIFFERENCE BETWEEN THE FREQUENCY OF THE FU SECTOR AND THE FRAME FREQUENCY OF FV IS THE CAUSE. TO AVOID THE FLASHING DISTURBANCE PHENOMENON, A TAKING DEVICE IN ACCORDANCE WITH THE INVENTION IS PERIODICALLY ACTIVE FOR TAKING THE SCENE WITH A SHOOTING DURATION TO PER PERIOD OF TV FRAME, WHICH IS PRACTICALLY EQUAL TO, WHERE WELL IS A MULTIPLE WHOLE HALF OF THE TU ALTERNATIVE SECTOR PERIOD. DURING THE REST OF THE DURATION OF THE TV FRAME PERIOD, THERE IS A BLOCKING DURATION TB1TB2. /P