光笔是计算机的一种 输入设备，结构简单、价格低廉、响应速度快、操作简便，常用于交互式计算机图形系统中。 在 图形系统 中光笔将人的干预、显示器和计算机三者有机地结合起来，构成 …

A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed …

2023年10月18日 · A light pen is a type of pointing input device that detects light and is frequently used to select or alter text or data on a screen. These devices, when used with a CRT …

2017年10月11日 · A light pen is a light-sensitive pointing input device commonly used to select or otherwise modify text or data on a screen. Used with a CRT (Cathode Ray Tube) monitor, …

Brighten their day with promotional light-up pens! Each pen with light tip features a bright LED for added usefulness. Our selection also includes pens with light-up logos, stylus attachments, …

GS GLOWSEEN Lighted Tip Pen, LED Light Pen Ballpoint Ink Pen With Light, Light Up Pen for Writing in the Dark - 2 PK (White/Warm White)

light pen翻译：读码器，条形码扫描器。 了解更多。

2025年3月9日 · Definition of Light pen -: Light Pen, which is similar to the Normal Pen, is a pointing input device that is used to select the menu or picture display on the screen of a …

2017年4月4日 · History: The light pen is a unique antecedent, as it is a first attempt at touchscreen technology. It is a “penlike input device that was used with cathode-ray tube …

A light-sensitive stylus wired to a video terminal used to draw pictures or select menu options. The user brings the pen to the desired point on screen and presses the pen button to make...