Keywords computer graphics, Bell Telephone Laboratories, Graphic 1, circuit design, electronic light pen, programming, visual representation, communication satellites, sound waves, artistic ...

but for us the magic isn’t in the pen itself but in discovering how it worked with the Vectrex’s vector graphics. Light pens were a popular accessory in the 8-bit computing days, offering a ...

The Graphic 1 computer featuring a light pen input device was also developed at Bell Labs. Around the same timeframe, IBM introduced novel visualization technology in the IBM 2250 graphics display ...

The computer graphics industry started with the development ... flat-faced CRT using a light pen to do CAD. In the early days, some brave souls developed their own CAD programs.

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 contact.