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  2. 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 ...

  3. 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 ...

  4. Information Communications Technology education in the ...

    en.wikipedia.org/wiki/Information_Communications...

    The centres were provided with computer laboratories fully equipped with printers, peripherals, projectors and air-conditioning units. Teacher training was also a component that was focused on. Funds were provided by the Philippine government for the first year of operation, while local government units were expected to continue the funding and ...

  5. LCD projector - Wikipedia

    en.wikipedia.org/wiki/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 of dichroic ...

  6. Audiovisual education - Wikipedia

    en.wikipedia.org/wiki/Audiovisual_education

    Audiovisual education. A professor using an LCD projector as an instructional aid. Audiovisual education or multimedia-based education ( MBE) is an instruction method where particular attention is paid to the audiovisual or multimedia presentation of the material to improve comprehension and retention.

  7. Educational technology - Wikipedia

    en.wikipedia.org/wiki/Educational_technology

    Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning. [1] [2] When referred to with its abbreviation, "EdTech," it often refers to the industry of companies that create educational technology.

  8. Handheld projector - Wikipedia

    en.wikipedia.org/wiki/Handheld_projector

    A handheld projector (also known as a pocket projector, mobile projector, pico projector or mini beamer) is an image projector in a handheld device. It was developed as a computer display device for compact portable devices such as mobile phones, personal digital assistants, and digital cameras, which have sufficient storage capacity to handle ...

  9. Digital cinema - Wikipedia

    en.wikipedia.org/wiki/Digital_cinema

    Except for Sony, who used to use their own SXRD technology, all use the Digital Light Processing (DLP) technology developed by Texas Instruments (TI). D-Cinema projectors are similar in principle to digital projectors used in industry, education, and domestic home cinemas, but differ in two important respects.

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