The design scheme for display operating, the application of memory technology, the design ideas for CRT drive circuit and lightpen input system have been given.
给出了系统设计方案,其存储器技术的应用以及CRT驱动电路与光笔输入系统设计思想。
2
Lightpen: Light-sensitive stylus used to edit on a VDU (visual display unit).
光笔:在直观显示器上作编辑用的光敏尖笔。
3
The utility model relates to an ovulation test pen capable of display images and adjusting a light source, which belongs to the field of biomedical photoelectric detection technique.