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  2. Overhead projector - Wikipedia

    en.wikipedia.org/wiki/Overhead_projector

    An overhead projector works on the same principle as a slide projector, in which a focusing lens projects light from an illuminated slide onto a projection screen where a real image is formed. However some differences are necessitated by the much larger size of the transparencies used (generally the size of a printed page), and the requirement ...

  3. Projection panel - Wikipedia

    en.wikipedia.org/wiki/Projection_panel

    It works with an overhead projector. The panel consists of a translucent LCD, and a fan to keep it cool. The projection panel sits on the bed of the overhead projector, and acts like a piece of transparency. The panels have a VGA input, and sometimes Composite (RCA) and S-Video input. Later models have remotes, with functions such as 'freeze ...

  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. Review: The 9 Best Portable Projectors for Your Next Outdoor ...

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

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

    The Bomaker Polaris 4K projector: my hands-on review Confession time: I realized my home-theater dream last year with a UST projector from Vava. It's been pretty great, but I was eager to see how ...

  7. Transparency (projection) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(projection)

    Many overhead projectors are used with a flat-panel LCD which, when used this way, is referred to as a spatial light modulator or SLM. Data projectors are often based on some form of SLM in a projection path. An LCD is a transmissive SLM, whereas other technologies such as Texas Instrument's DLP are reflective SLMs. Not all projectors use SLMs ...

  8. Samsung Beam i8520 - Wikipedia

    en.wikipedia.org/wiki/Samsung_Beam_i8520

    Its main feature is a built-in DLP WVGA projector that is able to project images at up to 50 inches (1,300 mm) in size at 15 lumens. The i8520 also contains an 8-megapixel camera, that can be used along with the projector to allow the user to project directly what is in front of the camera (similar to the action of an overhead projector ).

  9. In my review of “Intermezzo,” I called it “kaleidoscopically beautiful and intimately human.” ‘Catalina’ by Karla Cornejo Villavicencio "Catalina" by Karla Cornejo Villavicencio

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