What is a Portable Projector?

A portable projector is a projector which has been designed to be moved around as needed, rather than installed in a fixed position. There are several different types of portable projectors, and these devices range considerably in cost, depending on the type and the age of the equipment. A portable projection system can be extremely useful for a school or office, allowing people to give presentations with the projector without needing to install a projector in every room. One very crude form of portable projector is the overhead projector, a type of projection system which is often used in schools. Overhead projectors allow users to place a sheet of transparency paper with printed information onto an illuminated pane of glass, with the image being projected with a system of mirrors. These projectors are very useful for situations in which static information needs to be projected for everyone in a room to see. It is also possible to find portable slide projectors, which work by ...  more