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  2. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    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 technology that use it in their projector models. Early LCD systems were used with existing overhead projectors.

  3. IllumiRoom - Wikipedia

    en.wikipedia.org/wiki/IllumiRoom

    The Kinect sensor is used to calibrate the system and projection. The projector displays a system of gray patterns and the Kinect camera reads the size of the pattern across the projection in order to map the 3D environment. Once calibrated, the Kinect sensor is no longer needed for the IllumiRoom system and can be used for gaming. [3]

  4. Digital light processing - Wikipedia

    en.wikipedia.org/wiki/Digital_Light_Processing

    A three-chip DLP projector uses a prism to split light from the lamp, and each primary color of light is then routed to its own DMD chip, then recombined and routed out through the lens. Three chip systems are found in higher-end home theater projectors, large venue projectors and DLP Cinema projection systems found in digital movie theaters.

  5. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display (LCD) in a smartphone Layers of a color TFT LCD. 1: Glass plates. 2+3: Horizontal and vertical polarizers. 4: RGB color mask. 5+6: Horizontal and vertical command lines. 7: polymer layer. 8: spacers. 9: thin film transistors. 10: front electrode. 11: rear electrode.

  6. Ring (company) - Wikipedia

    en.wikipedia.org/wiki/Ring_(company)

    Ring LLC is a manufacturer of home security and smart home devices owned by Amazon. It manufactures a titular line of smart doorbells, home security cameras, and alarm systems. It also operates Neighbors, a social network that allows users to discuss local safety and security issues, and share footage captured with Ring products.

  7. Screen-door effect - Wikipedia

    en.wikipedia.org/wiki/Screen-door_effect

    Some older LCD projectors have a more noticeable screen-door effect than first generation DLP projectors. [2] Newer DLP chip designs promise closer spacing of the mirror elements which would reduce this effect; [ citation needed ] however, some space is still required along one edge of the mirror to provide a control circuit pathway.

  8. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Projection screen in a movie theater Home theater projection screen displaying a high-definition television image. A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience.

  9. Ultra-high-performance lamp - Wikipedia

    en.wikipedia.org/wiki/Ultra-high-performance_lamp

    Ultra-high-performance lamp. An ultra-high-performance lamp, often known by the Philips trademark UHP, is a high-pressure mercury arc lamp. [1] These were originally known as ultra-high-pressure lamps, [2] [3] because the internal pressure can rise to as much as 200 atmospheres when the lamp reaches its operating temperature.