EDITING SYSTEM FOR VIDEO APPARATUS

摘要

AN EDITING SYSTEM FOR VIDEO APPARATUS An advertising editing system for a video apparatus including a relay for controlling the operation of the video apparatus and a detector for sampling the voltage of the video signal and a comparator for comparing the sampled voltage amplitude with a reference voltage to provide an output voltage signal upon absence of picture information in the video signal for a period of time corresponding to at least one frame to activate the relay and condition the video apparatus during the period of the commercial message.