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一、前言 在运行装置等系统内设备的图像自动监视器是检测同步信号电平和图像部分有无异常的一种设备。最近的系统多数是双系统化(双重化)的,作为自动监视器的功能应对整个双重化系统的动作是否正常进行监视。本文是对这次开发的自动监视器予以介绍,这种监视器对输入系统的有时间差的相同图像信号进行比较,并能检测双系统信号的差异。
I. INTRODUCTION An automatic image monitor of a device in a system such as a running device is a device that detects the level of an isochronous signal and the presence or absence of an abnormality in the image portion. Most of the recent systems are dual-system (dual), and the function as an automatic monitor should monitor whether the operation of the entire dual system is normal or not. This article is an introduction to the automatic monitor developed this time. This monitor compares the same image signals of the input system that have time difference and can detect the difference of the dual system signals.