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  2. Electrotachyscope - Wikipedia

    en.wikipedia.org/wiki/Electrotachyscope

    About four spectators could watch the images on a 12.5 cm (4.9 in) wide milk glass screen in a wall in a small darkened room. Anschütz introduced the first successful model from 19 to 21 March 1887 at the Kultusministerium (Ministry of Culture) in Berlin, receiving much praise from invited colleagues, politicians, and scientists. From 16 July ...

  3. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Projection screens may be permanently installed on a wall, as in a movie theater, mounted to or placed in a ceiling using a rollable projection surface that retracts into a casing (these can be motorized or manually operated), painted on a wall, [1] or portable with tripod or floor rising models as in a conference room or other non-dedicated ...

  4. Cinerama - Wikipedia

    en.wikipedia.org/wiki/Cinerama

    Original Cinerama screen in the Bellevue Cinerama, Amsterdam (1965–2005) 17-meter curved screen removed in 1978 for 15-meter normal screen. [1]Cinerama is a widescreen process that originally projected images simultaneously from three synchronized 35mm projectors onto a huge, deeply curved screen, subtending 146-degrees of arc.

  5. Smart glass - Wikipedia

    en.wikipedia.org/wiki/Smart_glass

    Applied to the glass enclosure of a conference room. When the glass is transparent, one can see into or out of the room, and when it is non-transparent it can be used as a projection screen. Energy-saving function of glass curtain wall; Indoor decoration of residence: Lighting cover glass curtain, sunshine house, living room and bathroom ...

  6. Movie projector - Wikipedia

    en.wikipedia.org/wiki/Movie_projector

    Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.

  7. Ultra Panavision 70 - Wikipedia

    en.wikipedia.org/wiki/Ultra_Panavision_70

    Metro-Goldwyn-Mayer (MGM) approached Panavision founder Robert Gottschalk in the late 1950s to create a large-format widescreen system capable of filling the extremely wide screens of Cinerama theaters while using a single projector, and would also be capable of producing high-quality standard 70 mm and 35 mm CinemaScope prints, which Cinerama's three-strip process did not allow for.