Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949)

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Improved 35-Mm Synchronous Counter

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 52, No. 3, pp. 333–336
Abstract: The types of synchronous counters, or heads, in general use present several problems in the cutting of the multiplicity of negatives-used in color processes. The necessity of constantly threading and unthreading negatives to match the work print invites scratches and other damage to the negatives. An improved type of synchronous counter has been developed which accommodates either three or six negatives (six being used in dissolves and fades) together with a work print. A special positioning lock allows the work print to be advanced or retarded in relation to the negative, and relocked in frame. To facilitate threading, the keeper rollers are designed to lift into a vertical position, thus making it possible simply to set the film onto the sprocket without having to slide it under or over rollers or sprockets. A novel arrangement of a lucite stripping-shoe allows illumination of the film from beneath in order to locate frame lines.
Publication Date: 1949-03-01
DOI: 10.5594/J12534
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J12534
Author(s): Robert A. SaterCinecolor Corporation, Burbank, California
James W. KaylorCinecolor Corporation, Burbank, California
Copyright: © 1949 Society of Motion Picture and Television Engineers, Inc.

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Robert A. Sater and James W. Kaylor; Improved 35-Mm Synchronous Counter, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J12534

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Robert A. Sater and James W. Kaylor; Improved 35-Mm Synchronous Counter, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J12534

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<span class="citation">Robert A. Sater and James W. Kaylor; <cite>Improved 35-Mm Synchronous Counter</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at <a href="https://doi.org/10.5594/J12534" target="_blank" rel="noopener">https://doi.org/10.5594/J12534</a></span>

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Robert A. Sater and James W. Kaylor; Improved 35-Mm Synchronous Counter, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949
doi: 10.5594/J12534
url: https://doi.org/10.5594/J12534

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<li>
Robert A. Sater and James W. Kaylor; <cite id="bib-10-5594-j12534">Improved 35-Mm Synchronous Counter</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949
<span class="doi">10.5594/J12534</span>
</li>