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  2. I tried the Bomaker Polaris 4K projector — and it's a ...

    www.aol.com/entertainment/tried-bomaker-polaris...

    However, there's a deal right now that makes it more appealing: For a limited time, Walmart seller Sustanbo has the Bomaker Polaris ultra short throw 4K projector for $1,800, one of the best deals ...

  3. Ceiling projector - Wikipedia

    en.wikipedia.org/wiki/Ceiling_projector

    The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground. It is used in conjunction with an alidade, usually positioned 1000 ft (300 m) away and wherever possible set at the same level. The projector is normally set at 90°, although 71° 31' may be used, in relation to ...

  4. SpeakerCraft - Wikipedia

    en.wikipedia.org/wiki/SpeakerCraft

    SpeakerCraft was founded in 1976 by Edward Haase, Ken Humphreys and Eugene Humphreys. [2] Beginning as a retail stereo store and original equipment manufacturer of loudspeakers for companies such as Sonance, Niles Audio, Bang and Olufsen, JBL, Polk Audio, and many others, the company evolved into a designer and installer of custom audio systems.

  5. Throw (projector) - Wikipedia

    en.wikipedia.org/wiki/Throw_(projector)

    Throw ratio is a characteristic of the lens of the projector (although "projector throw" and "lens throw" are often used synonymously). Some projectors (typically larger, more expensive ones) are able to accept a variety of lenses, while lower cost projectors tend to have a permanent lens that is not designed to be changed.

  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. 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 ...

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