If you worked with computers back in the 1970s, there’s a good chance you used a light pen at some point: a simple input device that you ... with any modern computer. It connects to the ...

It’s an extremely simple device using an integrated light sensor with built-in Schmitt trigger, but for us the magic isn’t in the pen itself but in discovering how it worked with the Vectrex ...

Computer plotters are a type of output device commonly used for computer-aided design applications, to output large vector designs such as architectural blueprints. By moving a pen mechanically ...

Using a device called Graphic 1, they can draw and manipulate circuit designs directly on a cathode ray tube with an electronic light pen, allowing for rapid prototyping and testing of ideas.

Microsoft has apparently decided to bring back the light pen - a simple add-on device which can bring pen control to any computer or laptop on the market today. According to Technology Review ...

The U.S. Patent and Trademark Office on Tuesday reissued Apple a patent for a mobile computer encased in a pen ... Finally, the device can support sound input/output components that can be ...