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Movie projector - Wikipedia
Diafilm strip Dukane Record Automatic Filmstrip Projector Dukane Silent filmstrip projector Music captioned filmstrip set, titled "Composers of many lands and many times by Eye Gate House Inc 1954" The filmstrip is a form of still image instructional media , once widely used by educators in primary and secondary schools (K–12) and for ...
Vitascope was an early film projector first demonstrated in 1895 by Charles Francis Jenkins and Thomas Armat. They had made modifications to Jenkins' patented Phantoscope, which cast images via film and electric light onto a wall or screen. The Vitascope is a large electrically-powered projector that uses light to cast images.
In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.
Readers attached to the projector would read the marks and execute the changeover sequence automatically, as long as the incoming reel was threaded properly on the second projector. However, most modern movie film projection systems have the film loaded on a very large horizontally oriented platter (often colloquially known as a "cakestand ...
The frames are projected through a movie projector or a video projector at a specific frame rate (number of frames per second) to show the moving picture. When projected at a high enough frame rate (24 frames per second or more), the persistence of vision allows the eyes and brain of the viewer to merge the separate frames into a continuous ...
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Iwan Serrurier's original 1917 concept for the Moviola was as a home movie projector to be sold to the general public. The name was derived from the name "Victrola" since Serrurier thought his invention would do for home movie viewing what the Victrola did for home music listening. However, since the machine cost $600 in 1920 (equivalent to ...