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2. Carousel slide projector - Wikipedia

   en.wikipedia.org/wiki/Carousel_slide_projector

   A carousel slide projector is a slide projector that uses a rotary tray to store slides, used to project slide photographs and to create slideshows. It was first patented on May 11, 1965, by David E. Hansen of Fairport, New York. Hansen was an industrial designer at the Eastman Kodak Company. [1] A patent for the rotary tray was granted in 1966 ...

3. List of CRT video projectors - Wikipedia

   en.wikipedia.org/wiki/List_of_CRT_video_projectors

   No cooling fans. Internal prism focus system with a single projection lens. 50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. 72 inch fixed screen projector with two projector lenses with crt three tubes. 30 fL on screen brightness.

4. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   Predecessors Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.

5. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   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 remote fiber-optic RGB lasers ...

6. ViewSonic - Wikipedia

   en.wikipedia.org/wiki/ViewSonic

   Revenue. $1 billion (2023) Number of employees. 1,400 (2023) Website. www.viewsonic.com. ViewSonic Corporation is an American privately held multinational electronics company with headquarters in Brea, California, United States . The company was founded in 1987 as Keypoint Technology Corporation by James Chu and was renamed to its present name ...

7. LCD projector - Wikipedia

   en.wikipedia.org/wiki/LCD_projector

   LCD projector. 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. To display images, LCD ( liquid-crystal display) projectors typically send light from a metal-halide lamp through a prism or series ...