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A more expensive home cinema set-up might include a Blu-ray disc player, home theater PC (HTPC) computer or digital media receiver streaming devices with a 10-foot user interface, a high-definition video projector and projection screen with over 100-inch (8.3 ft; 2.5 m) diagonal screen size (or a large flatscreen HDTV), and a several-hundred ...
An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern equivalent of the slide projector or overhead projector .
The process of manufacturing blackout was invented by Baltimore-based Rockland Industries, [2] and involves coating a fabric with layers of foam, or 'passes'. A '2-pass' blackout is produced by applying two passes of foam to a fabric – first, a black layer is applied to the fabric, then a white or light-colored layer is applied on top of the black.
Traditionally white or natural colored cloth, cycloramas now come in various colors of white, grey, light blue and the green or blue curtains used in Chroma key (greenscreen) work may also be called cycloramas. With projected scenery, cycs and scrims may be used as drops, by employing either front or rear projection.
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.
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.
50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. KP-7200 [36] Sony: 1978: No : 480i : 50 [37] Analogue: 72 inch fixed screen projector with two projector lenses with crt three tubes. 30 fL on screen brightness. KP-5010 : Sony: 1979: No : 480i : Analogue: 50 inch screen projector: KP-7210 ...
In 1955, under the Carl Braun Camera-Werk Nürnberg label, the company introduced one of the first semi-automatic slide projectors with a tray magazine to the consumer market named Paximat. [2] Other innovations included wired or wireless remote control , automatic focus , brighter halogen lamps , and variable brightness control.
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