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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 .
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.
Texas Instruments, DLP Cinema Prototype Projector, Mark V, 2000. In the United States, on June 18, 1999, Texas Instruments' DLP Cinema projector technology was publicly demonstrated on two screens in Los Angeles and New York for the release of Lucasfilm's Star Wars Episode I: The Phantom Menace.
IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating, with the 1.43:1 ratio format being available only in few selected locations.
By 2019, more than 5,500 elementary and junior high schools in the United States had installed ViewBoards, and ViewSonic ranked third in global interactive display market share, excluding China. [8] ViewSonic became a Google for Education partner in 2019 [ 9 ] and a Microsoft Education partner in 2020.
It allows for central storage in multiplex theatres and is designed to work with any digital projection system that supports an IMB. In September 2011, Qube introduced QubeMaster Xpress 2, for digital cinema mastering. [10] Starting in 2012, Qube Cinema began installing its d-cinema servers and IMBs in Giant Screen theatres.
A Zenith 1200 CRT Projector based home theater. Visible extending from the ceiling are three lenses, one each for red, green and blue Black and white CRT projector. A CRT projector is a video projector that uses a small, high-brightness cathode-ray tube (CRT) as the image generating element. The image is then focused and enlarged onto a screen ...
A virtual retinal display, or retinal projector, is a projector that projects an image directly on the retina instead of using an external projection screen. The most common type of projector used today is called a video projector. Video projectors are digital replacements for earlier types of projectors such as slide projectors and overhead ...