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 objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.

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 (cathode ray tube) monitor, were an early method of highlighting and modifying data on the screen.

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, these devices were an early form of manipulating and highlighting data on the screen.

2024年6月2日 · A light pen is a pointing device that resembles a pen and is used to interact with a computer screen or monitor. It is a handheld device that emits light and is equipped with a light-sensitive detector at the tip.

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...

A light pen, basically a stylus, is a light-sensitive directing computer input device. It is generally used to highlight text, object or alter data on a computer screen or monitor.

Glovion LED Light Pen, Lighted Ballpoint Pen Penlight for Nighttime Writing – White Light with Black Shell- Pack of 3 Pens

2023年7月28日 · Discover the advantages and disadvantages of light pens. Learn about precise input, intuitive interaction, versatility, compatibility issues, line-of-sight dependency, ambient lighting sensitivity, and more.

Using a specialized pen and screen, light pen interfaces remove the traditional mouse from the equation and enable you to interact directly with the computer desktop from your monitor.

Stylus Pen, [3 Pcs] 4-in-1 Universal Touch Screen Stylus + Ballpoint Pen + Pointer + LED Flashlight for Smartphone/Tablets iPad iPhone Samsung etc + Extra Battery