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There are three basic types of storm doors: full-view, retractable screen, and ventilating. Full-view storm doors [1] typically include a full glass panel and most an interchangeable full screen. Retractable screen storm doors feature a screen that is rolled up into the frame of the storm door when not in use, and can be removed entirely.
Platform screen doors on the Elizabeth line at Farringdon, 2019 "Horizontal lift" style doors at Lomonosovskaya station on the Saint Petersburg Metro, the first screen doors in the world The idea of platform edge doors dates from as early as 1908, when Charles S. Shute of Boston was granted a patent for "Safety fence and gate for railway ...
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.
The screen may also include a crossbar for added strength. Fiberglass screen material is typically available in 30 m (100 ft) rolls in varying widths, from 46 to 305 cm (18 to 120 in) wide. Aluminum screen material is available in 30 m (100 ft) rolls except the range of available widths is less than for the more commonly used fiberglass.
The screen-door effect (SDE) is a visual artifact of displays, where the fine lines separating pixels (or subpixels) become visible in the displayed image. This effect can be seen in digital projector images and regular displays under magnification or at close range, but the increases in display resolutions have made this much less significant.
Literally, shoji means "small obstructing thing" (障子; it might be translated as "screen"), and though this use is now obsolete, [4] shoji was originally used for a variety of sight-obstructing panels, screens, or curtains, [4] many portable, [94] either free-standing or hung from lintels, [95] used to divide the interior space of buildings ...
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