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《Journal of Daqing Petroleum Institute》 1992-04
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THE APPLICATION OF SINGLE-CHIP MICROCOMPUTER IN THE SWITCHING OF MULTIPLEX VIDEO SIGNALS

LI Chunsheng;ZHU Tieru Dept of Computer and Control Engineering The Center of Sound Lab  
We made the programming control switcher of video based on the fashionable MCS- 51 single-chip microcomputer and analog switching technique of video. Based on the programming of the single-chip microcomputer, the switcher can switch each other be- tween ten-line inputs amd four-line outputs, and it has the functions of manual and tim- ing auto control switching. The switching flutter and man-machine interaction of the switcher is improved greatly through taking the "black frame" of video and the inter- rupting technique of the clock and the special-purpose devices. Compared the switcher with combinational logic control one, the reliability and the cost performance is im- proved.
【CateGory Index】: TP391
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