A projector or image projector is an optical device that projects an image onto a surface, commonly a projection screen

1. Projector

2. Index
Introduction
Types of Projector
Throw
Lamp

3. DLP Projector
Digital Light Processing is a type of projector
technology that uses a digital micro mirror device.

4. 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 enlarge onto a screen using a lens kept in front of
theCRT face.

5. LCD Projector
A LCD projector is a type of video projector for displaying
video , image or computer data on a screen or other flat
surface.

6. THROW
Throw is the distance of a movie
projector from the screen

7. Lamp
A lamp is in a projector and it produce
the light for the image.

8. Thank
you