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Since 2005, [10] the only remaining manufacturers of the LCDs for LCD projectors are Japanese imaging companies Epson and Sony. Epson owns the technology and has branded it as " 3LCD ". To market 3LCD projector technology, Epson also set up a consortium called the "3LCD Group" in 2005 with other projector manufacturer licensees of 3LCD ...
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
35 mm movie projector in operation Bill Hammack explains how a film projector works. A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.
In the early 1980s–1990s, overhead projectors were used as part of a classroom computer display/projection system. A liquid-crystal panel mounted in a plastic frame was placed on top of the overhead projector and connected to the video output of the computer, often splitting off the normal monitor output.
A projector in a standard form factor: The PG-D2870 projector from Sharp, which uses Digital Light Processing technology An image from a video projector in a home cinema. 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.
A 1990s external DAC from Audio Alchemy as an add-on for CD players, having only about 12 cm width, intended to improve the sound of older or less expensive players. Most modern audio signals are stored in digital form (for example MP3s and CDs ), and in order to be heard through speakers, they must be converted into an analog signal.
For classroom, businesses and houses of worship settings, 16:10 is the more commonly used projector screen aspect ratio because this matches the aspect ratio used by many modern computers. [ 5 ] Square-shaped screens used for overhead projectors sometimes double as projection screens for digital projectors in meeting rooms, where space is ...
"Lacing up" the film through the projector and film path to and from any long play device. Carrying out presentation operations manually if an automation system is not in use. "Taking down" the reels of a print and supporting programme after the final screening, and spooling them back into 2,000 foot lengths.