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  2. The best portable projector I've ever used is down to a ... - AOL

    www.aol.com/lifestyle/best-portable-projector...

    This mini projector stands less than two inches high, but delivers crisp 1080p video and comes with Android 10.0 built in. (Photo: Xgimi) Although 1080p resolution is a far cry from 4K, a native ...

  3. Get a Home Theater Experience for Less with the Best Budget ...

    www.aol.com/upgrade-movie-night-cheap-best...

    However, with a high-quality projector, you can capture much of that magic in your own home. While some of the best projectors cost upward of $1,000, there are plenty of great options for less ...

  4. Projector - Wikipedia

    en.wikipedia.org/wiki/Projector

    A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .

  5. Video projector - Wikipedia

    en.wikipedia.org/wiki/Video_projector

    A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...

  6. LCD projector - Wikipedia

    en.wikipedia.org/wiki/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. It is a modern equivalent of the slide projector or overhead projector .

  7. Dolby 3D - Wikipedia

    en.wikipedia.org/wiki/Dolby_3D

    Dolby 3D uses a Dolby Digital Cinema projector that can show both 2D and 3D films. For 3D presentations, additional filters are used in the projector, one filter each for the left eye and right eye. Each filter allows different frequencies of red, green, and blue light to pass through each of them.

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