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  2. Overhead projector - Wikipedia

    en.wikipedia.org/wiki/Overhead_projector

    In the early 1980s–1990s, overhead projectors were used as part of a classroom computer display/projection system. A liquid-crystal panel mounted in a plastic frame was placed on top of the overhead projector and connected to the video output of the computer, often splitting off the normal monitor output.

  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. 73 Brands That Are Still Made Right Here in the USA - AOL

    www.aol.com/73-brands-still-made-usa-123000180.html

    Mohop is a footwear, handbag, and accessories retailer that makes all its designs in the United States from sustainably sourced materials, while using new digital scanning and 3D manufacturing ...

  5. 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 .

  6. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Projection screen in a movie theater Home theater projection screen displaying a high-definition television image. A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience.

  7. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    It is a modern equivalent of the slide projector or overhead projector. To display images, LCD (liquid-crystal display) projectors typically send light from a metal-halide lamp through a prism or series of dichroic filters that separates light to three polysilicon panels – one each for the red, green and blue components of the video signal ...