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各种牌号的彩色电视机,其图象的色调都不同程度的存在着一些差异,如有的略偏绿,有的略偏紫,有的偏于其它颜色.还有的因为使用时间较长,色调发生了变化.这是由下列原因造成的.1.彩色显象管电子枪的三条电子束的调制特性不一致,荧光屏上三种荧光粉的发光效率亦存在着差异,是导致色调差异的根本所在.为了正确地重现图象的色彩,同时为使重现黑白图象时不带任何
Various brands of color television sets, the image of the tone are varying degrees of existence of some differences, such as some slightly green, some slightly purple, and some biased in other colors. Others because of the use of longer , The hue has changed.This is caused by the following reasons: 1. The modulation characteristics of the three electron beams of the color picture tube electron gun are inconsistent, and the luminous efficiencies of the three phosphors on the screen are also different, resulting in the difference in color tone In order to correctly reproduce the color of the image, at the same time in order to reproduce the black-and-white image without any