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

Modulated Air Blast for Reducing Film Buckle

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
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
Link
https://doi.org/10.5594/J04990
Author(s)
Willy Borberg
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J04990.json

Reference this Doc

Plain text (ISO 690 compliant)

Preview:
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
Snippet:
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

HTML (ISO 690 compliant)

Preview:
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
Snippet:
<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>

SMPTE Icon SMPTE's HTML Pub

Preview:
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
Snippet:
<li>
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>
</li>