See DLP and 3LCD. In the 1980s, the first data projectors weighed more than 40 pounds, using a single cathode ray tube (CRT) to project a monochrome image. When color units came out, they weighed ...
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Rear Projection TVs Were Terrible, But We All Wanted OneBig TV Size Has Always Been a Status Symbol CRT TVs Were Limited in Size Due to Electron Beam Tech Rear Projection TVs Provided a Taste of the Future, Despite Disappointments Before the plasma ...
For projection technologies (CRT, LCD, etc.), see rear-projection TV. See data projector. Front-projection TVs can change their screen size by replacing the screen and moving the unit closer or ...
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