Readying an overhead projector for use requires four steps: place the device on a suitably sturdy surface, plug it into an electrical outlet, prepare the projection screen and turn on the device.

[Joel] wanted a huge-screen TV on the cheap, so he converted an overhead projector to something he can use with his XBox.

In The Overhead Projector: Don’t Overlook It (Part 1) , I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board.

How to Fix a Shadow in an Overhead Projector. Overhead projectors use a bright lamp and mirrors to display text or images from a transparency sheet on a wall or screen. If your projector displays ...

(MoneyWatch) For many people, the days of booking a conference room equipped with an overhead projector so you can display content from your laptop are over. Increasingly, you need to show off ...

McCain repeatedly called the requested equipment an “overhead projector” which brings to mind the simple light projector your junior-high geometry teacher used to display transparencies.

McCain repeatedly called the requested equipment an “overhead projector” which brings to mind the simple light projector your junior-high geometry teacher used to display transparencies.

Then this hack is for you! [TheJinxster] threw together this awesome HD projector, and it cost him absolutely nothing to build! He started by picking up an old overhead projector off of Freecycle.

This Fantastic Mini Projector Delivers a Massive 200-Inch Display, Now Yours For Only $53 Save yourself nearly 50% on the V08 mini projector for a limited time during the Amazon Big Spring Sale.

1980s: The Data Projector Photo: Computer Desktop Encyclopedia A Brief History: A data projector takes signals from a video source, such as a computer or television, and projects an image on a ...

The second-best way: It's an all-in-one computer with a touch mat that acts as a second screen, and an overhead projector/camera that can scan 3D images. It starts at $1,899, and ships next month.

David Ginsburg's students snuck out of class and threw books at him as he wrote on the board. His solution: Use a projector, a switch he recommends for several reasons.