摘要
针对我台需对多路视音频信号进行检测、倒换的要求,介绍了对一种四选一信号手动切换器进行改进,使其具有视频信号检测功能和自动切换功能。
In this paper, the improvement of switching function of a four-manual switch to a signal is described to meet the need of detection and rotation , which has a video signal detection and automatic switching function.
出处
《山西电子技术》
2009年第6期76-77,共2页
Shanxi Electronic Technology
关键词
视音频信号
检测
切换
video-audio signal
detection
switch
