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  2. Rare double discount slashes $560 ONAYO ONO1 portable ...

    www.aol.com/news/rare-double-discount-slashes...

    Tons of the low-cost projectors out there are actually really good! With all those choices and so many impressive models, … The post Rare double discount slashes $560 ONAYO ONO1 portable ...

  3. List of CRT video projectors - Wikipedia

    en.wikipedia.org/wiki/List_of_CRT_video_projectors

    50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. KP-7200 [36] Sony: 1978: No : 480i : 50 [37] Analogue: 72 inch fixed screen projector with two projector lenses with crt three tubes. 30 fL on screen brightness. KP-5010 : Sony: 1979: No : 480i : Analogue: 50 inch screen projector: KP-7210 ...

  4. Vitascope - Wikipedia

    en.wikipedia.org/wiki/Vitascope

    Vitascope was an early film projector first demonstrated in 1895 by Charles Francis Jenkins and Thomas Armat. They had made modifications to Jenkins' patented Phantoscope, which cast images via film and electric light onto a wall or screen. The Vitascope is a large electrically-powered projector that uses light to cast images.

  5. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    He then invented new optical methods to create efficient and bright projectors and invented depixelization to reduce the screen-door effect. Typical 3LCDs (RGB) projector showing separated polarizers At about the same time, the German company "Bonner Ingenieurbüro für Optoelektronik CrystalVision" started experimenting with LCD projection ...

  6. CRT projector - Wikipedia

    en.wikipedia.org/wiki/CRT_projector

    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 ...

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