PropertyValue
?:definition
  • Equipment designed to project an image that is larger than the original on a surface (e.g., screen) to facilitate watching by a large number of people. Projectors usually consist of electric-powered equipment that includes a power supply, lights, lenses, controls (e.g., focus, brightness), and other attachments that permit the projection of images with the appropriate optical characteristics necessary for a particular use; some projectors may include as a component the screen intended for projection of the images. Dedicated projectors intended for video, cine (i.e., movies), photo and microscope slides, and/or for other particular purposes are available.
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