Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 2, August 1952)

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Modulated Air Blast for Reducing Film Buckle

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 59, No. 2, pp. 94–100
Abstract: Present-day demands for high-intensity light sources point up the need for a suitable technique for reduction of excessive film buckle. Air jets which direct a continuous air flow against one or both of the film faces have been proposed. This technique does not, however, take into account the cyclical nature of film surface deformations during projection. It is found that improved performance can be obtained with a modulated air blast which is synchronized to the frame cycle. This paper describes the cyclical effects involved and shows why the modulated air blast is to be preferred over continuous air blast. It presents experimental data regarding buckle magnitudes in 35mm film and describes the experimental equipment.
Publication Date: 1952-08-01
DOI: 10.5594/J04990
ISSN: Print: 0898-042X
Link: https://doi.org/10.5594/J04990
Author(s): Willy BorbergGeneral Precision Laboratory, Inc., Pleasantville, N.Y.
Copyright: © 1952 Society of Motion Picture and Television Engineers, Inc.

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Willy Borberg; Modulated Air Blast for Reducing Film Buckle, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 2, August 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J04990

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Willy Borberg; Modulated Air Blast for Reducing Film Buckle, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 2, August 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J04990

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<span class="citation">Willy Borberg; <cite>Modulated Air Blast for Reducing Film Buckle</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 2, August 1952); SMPTE, 1952. Available at <a href="https://doi.org/10.5594/J04990" target="_blank" rel="noopener">https://doi.org/10.5594/J04990</a></span>

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Willy Borberg; Modulated Air Blast for Reducing Film Buckle, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 2, August 1952); SMPTE, 1952
doi: 10.5594/J04990
url: https://doi.org/10.5594/J04990

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Willy Borberg; <cite id="bib-10-5594-j04990">Modulated Air Blast for Reducing Film Buckle</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 2, August 1952); SMPTE, 1952
<span class="doi">10.5594/J04990</span>
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