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Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945)
[ACTIVE]

Analysis of Geneva Mechanisms

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
In the mechanical design of practically all types of instruments, it is necessary for certain parts to operate intermittently relative to a continuously moving part. A popular and simple means of obtaining this movement is by the use of the Geneva mechanism. The Geneva mechanism is so named because its operation is based upon the principle of the stop in Geneva watches which prevents overwinding the mainspring by checking the winding stem after a predetermined number of turns. Now universally used in motion picture projectors for synchronizing the movement of the film with that of the shutter, the Geneva mechanism also has various applications in indexing devices for machine tools. In the design of communications and navigational equipment, it is useful for electrical tuning and band change drives (see Fig. 1), in dial indicating mechanisms, in coil tuning and switch positioning, and in numerous other applications.
Publication Date
1945-04-01
DOI
10.5594/J09782
Link
https://doi.org/10.5594/J09782
Author(s)
William A. Willis
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J09782.json

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William A. Willis; Analysis of Geneva Mechanisms, Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945); SMPTE, 1945. Available at https://doi.org/10.5594/J09782
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William A. Willis; Analysis of Geneva Mechanisms, Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945); SMPTE, 1945. Available at https://doi.org/10.5594/J09782

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William A. Willis; Analysis of Geneva Mechanisms, Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945); SMPTE, 1945. Available at https://doi.org/10.5594/J09782
Snippet:
<span class="citation">William A. Willis; <cite>Analysis of Geneva Mechanisms</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945); SMPTE, 1945. Available at <a href="https://doi.org/10.5594/J09782" target="_blank" rel="noopener">https://doi.org/10.5594/J09782</a></span>

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Preview:
William A. Willis; Analysis of Geneva Mechanisms, Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945); SMPTE, 1945
doi: 10.5594/J09782
url: https://doi.org/10.5594/J09782
Snippet:
<li>
William A. Willis; <cite id="bib-10-5594-j09782">Analysis of Geneva Mechanisms</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 44, Issue: 4, April 1945); SMPTE, 1945
<span class="doi">10.5594/J09782</span>
</li>