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Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952)
[ACTIVE]

Continuous Motion Picture Projector for Use in Television Film Scanning

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The projector used for this equipment drives a 35mm motion picture film at the standard (nonintermittent) speed of 24 frame/sec and produces a television signal of 525 lines and 30 frames interlaced 2 to 1. The projector utilizes a system of movable plane mirrors mounted on a rotating drum and controlled by a single stationary cam. Vertical jitter in the television image is minimized by means of an electronic servo system operating on the film sprocket holes, resulting in a residual vertical motion of about 1/2000 of a picture height. A second electronic servo system is incorporated to suppress flicker. The combination of this scanner and a high-grade monitor is capable of producing a television picture with a resolution corresponding to about 8 me and with good tone rendition over a range up to 200 to 1.
Publication Date
1952-01-01
DOI
10.5594/J06262
Link
https://doi.org/10.5594/J06262
Author(s)
A. G. Jensen, R. E. Graham, C. F. Mattke
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A. G. Jensen, R. E. Graham, and C. F. Mattke; Continuous Motion Picture Projector for Use in Television Film Scanning, Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J06262
Snippet:
A. G. Jensen, R. E. Graham, and C. F. Mattke; Continuous Motion Picture Projector for Use in Television Film Scanning, Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J06262

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A. G. Jensen, R. E. Graham, and C. F. Mattke; Continuous Motion Picture Projector for Use in Television Film Scanning, Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J06262
Snippet:
<span class="citation">A. G. Jensen, R. E. Graham, and C. F. Mattke; <cite>Continuous Motion Picture Projector for Use in Television Film Scanning</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952); SMPTE, 1952. Available at <a href="https://doi.org/10.5594/J06262" target="_blank" rel="noopener">https://doi.org/10.5594/J06262</a></span>

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Preview:
A. G. Jensen, R. E. Graham, and C. F. Mattke; Continuous Motion Picture Projector for Use in Television Film Scanning, Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952); SMPTE, 1952
doi: 10.5594/J06262
url: https://doi.org/10.5594/J06262
Snippet:
<li>
A. G. Jensen, R. E. Graham, and C. F. Mattke; <cite id="bib-10-5594-j06262">Continuous Motion Picture Projector for Use in Television Film Scanning</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 58, Issue: 1, January 1952); SMPTE, 1952
<span class="doi">10.5594/J06262</span>
</li>