This article mainly discusses the change of the incandescent lamp display screen into LED gray-scale screen, which displays both digital information and analogue pictures.

本文主要论述了如何将老式白炽灯显示屏改造成，既可以显示数字信息，又可以显示模拟图像信息的LED灰度屏的设计方案。

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A scheme of power supply using the super capacitor and the mini manual electrical generator for the hand-held digital display railway track scale has been designed and realized.

为手持式数显铁路轨道测量尺设计并实现了一种以超级电容为供电电源和以微型手摇发电机为充电电源的设备供电方案。

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A method for increasing the number of scanned frames, lines and dots, and the gray scale of flat display with digital storage characteristics is disclosed.

本发明涉及一种具有数字存贮特征的平板显示器提高扫描帧数、行数、点数及灰度等级的方法。

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