Improved 16mm Projector for Research Films

Metadata

Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 66, No. 6, pp. 361–363
Abstract: The flicker-free, slow-motion and single-frame projector described in the November 1954 issue of the SMPTE Journal has been completely redesigned to give more reliable and smoother operation. In the transition from cine to single-frame projection, the 5-blade shutter is shifted to one side, leaving a single 42° blade to occult the film aperture during film transport. An electrical interlock in the pushbutton-triggering circuit excludes any possibility of overrun and assures uniform registration of successive frames. Also described is an experimental version of the projector with a 10-blade shutter and 12° pulldown. It provides relatively flicker-free projection at speeds from 5 to 3 frames/sec.
Publication Date: 1957-06-01
DOI: 10.5594/J11241
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J11241
Author(s): S. A. WeinbergUniv. of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester 20, N.Y.
J. S. WatsonUniv. of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester 20, N.Y.
G. H. RamseyUniv. of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester 20, N.Y.
Copyright: © 1957 Society of Motion Picture and Television Engineers, Inc.

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S. A. Weinberg, J. S. Watson, and G. H. Ramsey; Improved 16mm Projector for Research Films, Journal of the SMPTE ( Volume: 66, Issue: 6, June 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J11241

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S. A. Weinberg, J. S. Watson, and G. H. Ramsey; Improved 16mm Projector for Research Films, Journal of the SMPTE ( Volume: 66, Issue: 6, June 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J11241

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<span class="citation">S. A. Weinberg, J. S. Watson, and G. H. Ramsey; <cite>Improved 16mm Projector for Research Films</cite>, Journal of the SMPTE ( Volume: 66, Issue: 6, June 1957); SMPTE, 1957. Available at <a href="https://doi.org/10.5594/J11241" target="_blank" rel="noopener">https://doi.org/10.5594/J11241</a></span>

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S. A. Weinberg, J. S. Watson, and G. H. Ramsey; Improved 16mm Projector for Research Films, Journal of the SMPTE ( Volume: 66, Issue: 6, June 1957); SMPTE, 1957
doi: 10.5594/J11241
url: https://doi.org/10.5594/J11241

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<li>
S. A. Weinberg, J. S. Watson, and G. H. Ramsey; <cite id="bib-10-5594-j11241">Improved 16mm Projector for Research Films</cite>, Journal of the SMPTE ( Volume: 66, Issue: 6, June 1957); SMPTE, 1957
<span class="doi">10.5594/J11241</span>
</li>