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  2. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Although a projection screen cannot improve a projector's contrast level, the perceived contrast can be boosted. In an optimal viewing room, the projection screen is reflective, whereas the surroundings are not. The ambient light level is related to the overall reflectivity of the screen, as well as that of the surroundings.

  3. Inflatable movie screen - Wikipedia

    en.wikipedia.org/wiki/Inflatable_movie_screen

    Example of an open air cinema using an inflatable screen Drive-in theater using an inflatable screen. An inflatable movie screen is an inflatable framework with an attached projection screen. Inflatable screens are used for outdoor movies, film festivals, drive-in theaters, sports, social, fundraising and other events requiring outdoor projection.

  4. Heliodisplay - Wikipedia

    en.wikipedia.org/wiki/Heliodisplay

    The Heliodisplay is an air-based display using principally air that is already present in the operating environment (room or space). The system developed by IO2 Technology in 2001 uses a projection unit focused onto multiple layers of air and dry micron-size atomized particles in mid-air, resulting in a two-dimensional display that appears to float (3d when using 3d content).

  5. Outdoor cinema - Wikipedia

    en.wikipedia.org/wiki/Outdoor_cinema

    The events commonly are organised online; participants then meet in parks, empty parking lots, or other public places. Guerrilla outdoor cinemas are very basic, often needing to be completely set up and dismantled in a single night. Sheets, portable screens, or existing walls are used as a screen for the projected image.

  6. 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. A virtual retinal display, or retinal ...

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