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A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras. Modern movie projectors are specially built video projectors (see also digital cinema).
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From 1917 to 1925 Porter served as president of the Precision Machine Company, manufacturers of the Simplex projectors. [1] After his retirement in 1925 he continued to work on his own as an inventor and designer, securing several patents for still cameras and projector devices. During the 1930s he was employed by an appliance corporation.
For almost three generations, a pair of Simplex 35 mm projectors, manufactured in the early 1930s, coupled with Western Electric sound units, provided Majestic Picture Theatre patrons with high quality and reliable exhibition until 1984. The Simplex machines, one of which is on permanent display in the theatre foyer, were replaced "piecemeal ...
The DP70 (DP stands for "Double Projector") was invented and developed by a team headed by Jan-Jacob Kotte of Philips between 1952 and 1954, as part of the Todd-AO system. A core objective of the project was to create a single machine that could project both the Todd-AO 5/70 format and the 4/35 format which was, and was likely to remain, the ...
Victor offered many models of 16mm projectors, most with only minor variations, but prior to military contracts won during World War II, all were made and sold in very small numbers, from 20 units to usually no more than a couple of thousand units. The company was a large producer of lantern slides using their "Featherweight" method- a one ...
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