A Portable Synchronous Interlock Projection System

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The studio-equipped electrical interlock projection system has certain disadvantages. It is expensive, cumbersome and stationary. A portable, lightweight interlock projection system, which employs mechanically locked-in sync of 16mm motion-picture film with the 16mm magnetic soundtrack, has been developed. The films are synchronized on a common sprocket-driven roller of a conventional optical, or optical/magnetic, projector. A series of rollers leads the magnetic film from its supply reel to the sprocket and then to its take-up reel. Constructed of simple, inexpensive components, it offers many advantages to the smaller commercial producer and the in-plant film department.
Publication Date: 1963-12-01
DOI: 10.5594/J09290
Link: https://doi.org/10.5594/J09290
Author(s): Roy Zeper

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Roy Zeper; A Portable Synchronous Interlock Projection System, Journal of the SMPTE ( Volume: 72, Issue: 12, December 1963); SMPTE, 1963. Available at https://doi.org/10.5594/J09290

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Roy Zeper; A Portable Synchronous Interlock Projection System, Journal of the SMPTE ( Volume: 72, Issue: 12, December 1963); SMPTE, 1963. Available at https://doi.org/10.5594/J09290

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Roy Zeper; A Portable Synchronous Interlock Projection System, Journal of the SMPTE ( Volume: 72, Issue: 12, December 1963); SMPTE, 1963. Available at https://doi.org/10.5594/J09290

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<span class="citation">Roy Zeper; <cite>A Portable Synchronous Interlock Projection System</cite>, Journal of the SMPTE ( Volume: 72, Issue: 12, December 1963); SMPTE, 1963. Available at <a href="https://doi.org/10.5594/J09290" target="_blank" rel="noopener">https://doi.org/10.5594/J09290</a></span>

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Roy Zeper; A Portable Synchronous Interlock Projection System, Journal of the SMPTE ( Volume: 72, Issue: 12, December 1963); SMPTE, 1963
doi: 10.5594/J09290
url: https://doi.org/10.5594/J09290

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<li>
Roy Zeper; <cite id="bib-10-5594-j09290">A Portable Synchronous Interlock Projection System</cite>, Journal of the SMPTE ( Volume: 72, Issue: 12, December 1963); SMPTE, 1963
<span class="doi">10.5594/J09290</span>
</li>