Modifying Helical-Path Transports to Obtain Tracking Improvements

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Helical-path transports as they are usually designed for photographic processing machines can cause tracking problems because the film typically approaches the spools in a manner that makes it want to “walk” off the spools. This inherent problem can make the film path difficult to control. Also the flanges on the spools can cause edge damage on the product and generate “dirt.” For new machines where design flexibility is available, elimination of the helix is recommended for eliminating these problems. A design is suggested that will accomplish this but yet keep the general helical-path configuration. For existing transports, several tracking aids and techniques are suggested to minimize the tracking problem.
Publication Date: 1973-08-01
DOI: 10.5594/J13467
Link: https://doi.org/10.5594/J13467
Author(s): Robert I. Anderson

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Robert I. Anderson; Modifying Helical-Path Transports to Obtain Tracking Improvements, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J13467

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Robert I. Anderson; Modifying Helical-Path Transports to Obtain Tracking Improvements, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J13467

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<span class="citation">Robert I. Anderson; <cite>Modifying Helical-Path Transports to Obtain Tracking Improvements</cite>, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J13467" target="_blank" rel="noopener">https://doi.org/10.5594/J13467</a></span>

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Robert I. Anderson; Modifying Helical-Path Transports to Obtain Tracking Improvements, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973
doi: 10.5594/J13467
url: https://doi.org/10.5594/J13467

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<li>
Robert I. Anderson; <cite id="bib-10-5594-j13467">Modifying Helical-Path Transports to Obtain Tracking Improvements</cite>, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973
<span class="doi">10.5594/J13467</span>
</li>