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  2. Reversal film - Wikipedia

    en.wikipedia.org/wiki/Reversal_film

    Some projectors use a sliding mechanism to manually pull the transparency out of the side of the machine, where it is replaced by the next image. Modern, advanced projectors typically use a carousel that holds a large number of slides; a mechanism automatically pulls a single slide from the carousel and places it in front of the lamp. Small ...

  3. Digital cinema - Wikipedia

    en.wikipedia.org/wiki/Digital_cinema

    Unlike DLP projectors, however, SXRD projectors do not present the left and right eye images of stereoscopic movies sequentially, instead they use half the available area on the SXRD chip for each eye image. Thus during stereoscopic presentations the SXRD projector functions as a sub 2K projector, the same for HFR 3D Content. [40]

  4. Multi-image - Wikipedia

    en.wikipedia.org/wiki/Multi-image

    Multi-image as a business thrived during the 1970s and 1980s. Multi-image presentations ranged from single projector shows run by projector-viewer [3] to large events for business meetings and conventions where multiple shows would be presented and often were rear-projected by 24 or more projectors.

  5. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    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 filters that separates light to three polysilicon panels – one each for the red, green and blue components of the video signal ...

  6. Digital imaging - Wikipedia

    en.wikipedia.org/wiki/Digital_imaging

    Online photo sharing of images changes the way we understand photography and photographers. Online sites such as Flickr, Shutterfly, and Instagram give billions the capability to share their photography, whether they are amateurs or professionals. Photography has gone from being a luxury medium of communication and sharing to more of a fleeting ...

  7. Laser projector - Wikipedia

    en.wikipedia.org/wiki/Laser_projector

    A laser projector is a device that projects changing laser beams on a screen to create a moving image for entertainment or professional use. [1] It consists of a housing that contains lasers, mirrors , galvanometer scanners, and other optical components.

  8. Transparency (projection) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(projection)

    Many overhead projectors are used with a flat-panel LCD which, when used this way, is referred to as a spatial light modulator or SLM. Data projectors are often based on some form of SLM in a projection path. An LCD is a transmissive SLM, whereas other technologies such as Texas Instrument's DLP are reflective SLMs. Not all projectors use SLMs ...

  9. Handheld projector - Wikipedia

    en.wikipedia.org/wiki/Handheld_projector

    Handheld projectors involve miniaturized hardware, and software that can project digital images onto a nearby viewing surface. The system comprises five main parts: the battery, the electronics, the laser or LED light sources, the combiner optic, and in some cases, scanning micromirror devices. First, the electronics system turns the image into ...

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