作者: Douglas C. Crawford
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摘要: A video monitoring device displays on the same CRT screen a picture format signal and graphic of one or more selected horizontal lines in signal, line being highlighted format. An intensity modulator, vertical deflection modulators are coupled to beam generator circuits, also control for changing functions from display as is deflected raster pattern. memory stores at least information be displayed, reading out The outputs word each line, switch between format, wherein luminance, saturation hue controlled by amplitude, DC offset frequency luminance held constant modulated amplitude during scanning, producing display.