Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 10, October 1942)

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A Study of Flicker in 16-mm Picture Projection

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: It seems to be generally accepted opinion that three-blade shutters must be employed to control flicker properly in the projection of 16-mm pictures, even though the machine is not required to operate at less than 24 pictures per second. There is little complaint of the flicker in theater projection, where two-blade shutters are practically universal. Why then should it be necessary to make a large sacrifice in screen brightness by using three-blade shutters when projecting 16-mm pictures? Less control of the conditions of projection is probably the most important of the valid objections. However, the opinion that two-blade shutters are not to be considered is based in part upon misleading tests, and the writers hold that for many applications single-speed machines should be given the benefit of the greater luminous efficiency possible with two-blade shutters. The paper discusses the various factors that bear on flicker, and reports a number of experimental studies.
Publication Date: 1942-10-01
DOI: 10.5594/J14303
Link: https://doi.org/10.5594/J14303
Author(s): E. E. Masterson, E. W. Kellogg

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E. E. Masterson and E. W. Kellogg; A Study of Flicker in 16-mm Picture Projection, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 10, October 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J14303

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E. E. Masterson and E. W. Kellogg; A Study of Flicker in 16-mm Picture Projection, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 10, October 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J14303

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<span class="citation">E. E. Masterson and E. W. Kellogg; <cite>A Study of Flicker in 16-mm Picture Projection</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 10, October 1942); SMPTE, 1942. Available at <a href="https://doi.org/10.5594/J14303" target="_blank" rel="noopener">https://doi.org/10.5594/J14303</a></span>

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<li>
E. E. Masterson and E. W. Kellogg; <cite id="bib-10-5594-j14303">A Study of Flicker in 16-mm Picture Projection</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 10, October 1942); SMPTE, 1942
<span class="doi">10.5594/J14303</span>
</li>