Development History of a Precision Intermittent Film-Transport Mechanism Built Into the Aperture Plate of a 16mm Camera

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: A major design and development program was undertaken to evolve a substantially new configuration 16mm handheld camera. This camera was designed to comply with present military requirements for a lightweight, self-powered camera for use by combat cinematographers. With performance specifications comparable to existing professional studio equipment, the magazine-loaded camera was to feature a crystal-controlled motor and a pin-registered film-transport mechanism. Early in the development phases of the program, several unusual features were “frozen” into the design, which had a significant effect on the internal configuration of the camera. These features included a combined motor and shutter, in which the rotor of the hysteresis synchronous motor is a cobalt annulus laminated to the periphery of the shutter “wheel.” The claw-type film-transport mechanism design criteria are defined and evaluated.
Publication Date: 1971-11-01
DOI: 10.5594/J05715
Link: https://doi.org/10.5594/J05715
Author(s): John T. Greenslade

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John T. Greenslade; Development History of a Precision Intermittent Film-Transport Mechanism Built Into the Aperture Plate of a 16mm Camera, Journal of the SMPTE ( Volume: 80, Issue: 11, November 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05715

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John T. Greenslade; Development History of a Precision Intermittent Film-Transport Mechanism Built Into the Aperture Plate of a 16mm Camera, Journal of the SMPTE ( Volume: 80, Issue: 11, November 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05715

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<span class="citation">John T. Greenslade; <cite>Development History of a Precision Intermittent Film-Transport Mechanism Built Into the Aperture Plate of a 16mm Camera</cite>, Journal of the SMPTE ( Volume: 80, Issue: 11, November 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J05715" target="_blank" rel="noopener">https://doi.org/10.5594/J05715</a></span>

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<li>
John T. Greenslade; <cite id="bib-10-5594-j05715">Development History of a Precision Intermittent Film-Transport Mechanism Built Into the Aperture Plate of a 16mm Camera</cite>, Journal of the SMPTE ( Volume: 80, Issue: 11, November 1971); SMPTE, 1971
<span class="doi">10.5594/J05715</span>
</li>