- Multimedia Projector
- A multimedia projector is a device that takes a video signal, from a computer or video device, and projects the corrensponding image on a wall or a projection screen for large image viewing, using a lens system.
"Mutltimedia projectors is also, although not usually used due to its limited audible sound, capable of taking, not only video but also audio signals from the source and produce sound through a built-in speakers."
- ANSI Lumen
- ANSI Lumen is a standardized measurement, by the American National Standards Institute, of the brightness output of a projector device.
Projector Technologies
- LCD Projector
- An LCD Projector is a type of multimedia projector that projects images by sending light from a halogen lamp through three LCD (Liquid Crystal Display) panels -- one each for the RGB (red, green, and blue) components of the video signal.
- DLP Projector
- Developed by Texas Instruments, DLP (Digital Light Processing) Projector uses one, two, or three microfabricated light valves called digital micromirror devices (DMDs). The single- and double-DMD versions use rotating color wheels in time with the mirror refreshes to modulate color.