published: September 23rd, 2008
Projector Lamp And Its Type
Projector lamp can transfer an image from multimedia projector onto a big screen for audience to view. They convey information to all kinds of audience from business organizations to education organizations.
Halogen Bulbs are mainly used for projection purpose for many years. These halogen bulbs produce a yellow tone on images. Projector lamps produce white light with the help of metal halide bulb. The produced white light shines onto a number of small glasses in the projector and passes the image through air and onto the screen. There are three main types of projector lamps overhead projector lamps, slide projectors and multimedia.
They have a flat surface. The image created by the bulb is sent to a special type of mirror which makes the image bigger and projects onto a blank screen. These type of overhead projectors are used in class rooms for education purposes. Business people can also use these in conference and meetings.
They contain a special slot for 35 millimeter slide. Slide shows are best used by business people and teachers who rely on demonstrating things. Photographers use these for special photography projects. They are easy to store and you can rely on them for long time.
The multimedia projectors are the most expensive. They project images, videos to a movie screen or onto a wall. They are used at movie theaters and expensive home
