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Try one of the best Christmas light projectors to make your home extra merry and bright! Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Color wheel (optics) An 1895 mechanical color wheel, used for experiments with color vision. A mechanical four-petal (red, green, blue, white) color wheel inside a 1998 digital light processing (DLP) video projector. A color wheel or other switch for changing a projected hue (e.g., for an optical display) is a device that uses different optics ...
A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp, metal halide lamp, LED or solid state blue, RB, RGB or fiber-optic lasers to provide ...
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 using a lens kept in front of the CRT face. The first color CRT projectors came out in the early 1950s. Most modern CRT projectors are color and have three separate ...
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Try one of the best Christmas light projectors to make your home extra merry and bright! Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
Magic lantern slide by Carpenter and Westley. The magic lantern, also known by its Latin name lanterna magica, was an early type of image projector that used pictures—paintings, prints, or photographs —on transparent plates (usually made of glass), one or more lenses, and a light source.
Laser color television (laser TV), or laser color video display, is a type of television that utilizes two or more individually modulated optical (laser) rays of different colors to produce a combined spot that is scanned and projected across the image plane by a polygon-mirror system or less effectively by optoelectronic means to produce a color-television display.
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