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  2. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    A projector's throw ratio is used when installing projectors to control the size of the projected display. [1] For example, if the throw ratio is 2:1 and the projector is fourteen feet away from the screen, then the display width will be seven feet.

  3. IMAX - Wikipedia

    en.wikipedia.org/wiki/IMAX

    IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating, with the 1.43:1 ratio format being available only in few selected locations.

  4. List of largest video screens - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_video_screens

    X24 Video projectors Traditional BattleKart / Seiko Epson [31] [32] 24 Harmon Corner: Paradise, Nevada United States: 2012 1,706 18,360 93 by 18 306 by 60 7,360 × 1,440 pixels 10.60 12 mm pixel Pitch SMD (Surface Mount Diode) Traditional Prismview [33] [34] 25 Taipei Arena Sky Screen: Taipei Taiwan: 2006 1,693.8 18,232 105 by 16 344 by 53

  5. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Apparent contrast in a projected image — the range of brightness — is dependent on the ambient light conditions, luminous power of the projector and the size of the image being projected. A larger screen size means less luminous (luminous power per unit solid angle per unit area) and thus less contrast in the presence of ambient light. Some ...

  6. Digital cinema - Wikipedia

    en.wikipedia.org/wiki/Digital_cinema

    The DCI specification calls for picture encoding using the ISO/IEC 15444-1 "JPEG2000" (.j2c) standard and use of the CIE XYZ color space at 12 bits per component encoded with a 2.6 gamma applied at projection. Two levels of resolution for both content and projectors are supported: 2K (2048×1080) or 2.2 MP at 24 or 48 frames per second, and 4K ...

  7. Projector - Wikipedia

    en.wikipedia.org/wiki/Projector

    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. A virtual retinal display, or retinal ...

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