信息光源的点灯控制线路

随着信息产业的迅速发展，信息产业已开发出许多信息用设备，这些设备具备有读出、处理记录、传送、显示等功能。为实施这些功能必须正确选择所用的光源和好的点灯线路。本文主要介绍信息光源的点灯线路的控制和发展动向。信息产业用的光源有卤钨灯，荧光灯和短弧ＨＩＤ灯。点灯线路包括直流点灯线路和具有正弦波、矩形波、适当频率波等的交流点灯线路。

Control of Operation Circuit for Information Light Sources

With the expanding of information industry rapidly,the information industry has developed into many type of eqiupments.These eqiupments possess the fwnetion of reading out .processing recording.transferring and display.In order to carry out these function it must correctly select the lamaps used and the good operationcircuit of the lamps.This article mainly presents the control of operation circut of the information lamps and their trend.The lamps used in information industry have the halogen lamp.fluorescent lamp and short arc H1D lamp.the operating ciruits include the D.C operating circuit and A.C operating circuit with sinous wave.square wave,suitiable frequency modulated wave and soon .