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Projectors
1.
2.
3. CRT Projector
A CRT projector is a video projector that uses a
small, high-brightness cathode ray tube as the image
generating element. The image is then focused and
enlarged onto a screen using a lens kept in front of the
CRT face.
4. LCD Projector
An LCD projector is a type of video projector for
displaying video, images or computer data on a screen
or other flat surface.
5. DLP Projector
Digital Light Processing is a type of projector
technology that uses a digital micro mirror device.
6. Lumens (unit)
A measure of the total amount of visible light emitted
by a source.
7. Throw
Throw is the distance of a movie projector from the
screen
8. Lamp
A lamp is in a projector and it produces the light for
the image.