实现CRT高度随环境亮度改变

To Alternate the Luminance of the CRT in Compliance With That of Environmental Light

介绍光电二极管感受环境光的原理,设计并分析环境光亮度改变CRT画面亮度随之改变的一种电路实现方法。

The principle of sensing environmental luminance of the photodiode is introduced in this paper. A method is developed and analyzed to alternate the luminance of the CRT in compliance with that of environmental light.