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 ...

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.