Two dual SPST switches, low-voltage, bidirectional RF/videoswitch.
两个双SPST开关,低电压,双向RF /视频开关。
2
Meanwhile, a videoswitch matrix and a video distributor are designed.
同时设计开发视频切换矩阵及视频分配器等硬件设备。
3
Introduces the usage of hardware and software in integrating the supervision alarm and videoswitch in the 8031 microcomputer using the example of supervision alarm system in Banks.