Movie projector facts for kids
A movie projector is a machine that shows moving pictures by projecting them on a projection screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.
History
The first movie projector was the Zoopraxiscope, invented by British photographer Eadweard Muybridge in 1879. The zoopraxiscope projected images from rotating glass disks in rapid succession to give the impression of motion. The stop-motion images were initially painted onto the glass, as silhouettes. A second series of discs, made in 1892–94, used outline drawings printed onto the discs photographically, then colored by hand.
Kazimierz Prószyński (4 April 1875 – 13 March 1945), born in Warsaw, Poland, was a Polish inventor active in the field of cinema. He patented his first film camera, called Pleograph (in Polish spelling: Pleograf), before the Lumière brothers, and later went on to improve the cinema projector for the Gaumont company, as well as invent the widely used hand-held Aeroscope camera.
A more sophisticated movie projector was invented by Frenchman Louis Le Prince while working in Leeds. In 1888 Le Prince took out a patent for a 16-lens device that combined a motion picture camera with a projector. In 1888, he used an updated version of his camera to film the first ever motion picture, the Roundhay Garden Scene. The pictures were privately exhibited in Hunslet.
The Lumière brothers invented the first successful movie projector. They made their first film, Sortie de l'usine Lumière de Lyon, in 1894, which was publicly screened at L'Eden, La Ciotat a year later. The first commercial, public screening of cinematographic films happened in Paris on 28 December 1895. The cinematograph was also exhibited at the Paris Exhibition of 1900. At the Exhibition, films made by the Lumière Brothers were projected onto a large screen measuring 16 by 21 meters (approximately 52.5 x 69 feet).
Images for kids
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35 mm movie projector in operation
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1910's 35mm hand-cranked tinplate toy movie projector manufactured by Leonhard Müller in Nuremberg, Germany.
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35 mm Kinoton FP30ST movie projector, with parts labeled. (Click thumbnail for larger text.)
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Imaging lens Diastar of an Askania 35 mm movie projector (focal length: 400 mm)
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Christie AW3 platter, BIG SKY Industries console, and Century SA projector
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nonrewind in Royal – Malmö, Sweden
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A photo of a 35 mm film print featuring all four audio formats (or "quad track")- from left to right: SDDS (blue area to the left of the sprocket holes), Dolby Digital (grey area between the sprocket holes labelled with the Dolby "Double-D" logo in the middle), analog optical sound (the two white lines to the right of the sprocket holes), and the Datasat time code (the dashed line to the far right.)
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Simulated wide screen image with 1.96 to 1 ratio as it would be seen in a camera viewfinder or on a theater screen
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Simulated anamorphed image with 1.33 to 1 ratio (4:3) as it would appear on a frame of film
See also
In Spanish: Proyector cinematográfico para niños
