While many data projector lamps have lives rated in the thousands of hours, overhead projector lamps are frequently rated for less than 100 hours. It is therefore very important to keep extra ...

Types of Overhead Projectors. Technically, only one type of projection equipment – transmissive – qualifies as overhead projection, ... While data projectors are popular tools ...

Slide shows and overhead projectors with images that are crooked, upside down, mirror imaged, or simply lost, are well and truly a thing of the past. Data projectors suited to PowerPoint ...

overhead projector 2 Articles Converting Transparency Sheets To An LCD Monitor. February 4, 2012 by Brian Benchoff 37 Comments . Apparently, there’s some sort of sporting event being televised ...

UBIT will retire overhead transparency projectors in UB centrally-scheduled classrooms as of Fall 2016. If you’ve never used a document camera in the classroom, now is the time to get acquainted. IT ...

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. Now we turn to how to ...

A lot has been said and written about the earmark Barack Obama sought for a new $3 million overhead projector at the Adler Planetarium since John McCain raised it in Tuesday night’s debate. And ...