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Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932)
[ACTIVE]

A Portable 16 MM. Sound Picture System

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
This paper describes a portable sound-on-disk reproducing system developed for the Western Electric Company by Bell Telephone Laboratories. This system has been developed to permit the introduction of the sound picture into fields not readily reached by theater reproducing systems, e. g., the classroom and the lecture hall. Pictures are projected from 16 millimeter film at the rate of 24 frames per second in synchronism with the reproduction of sound from a 33 1/3 rpm. disk record. Two main units make up the system, a portable projector-turntable unit and a portable amplifier-loud speaker unit. The projector head, turntable, electrical reproducer, and driving mechanism are comprised in the portable projector-turntable unit. The electrical energy delivered by the reproducer is delivered to the portable amplifier- loud speaker unit, which serves to amplify and convert it into sufficient acoustical energy for instructing or entertaining audiences of several hundred persons. The system derives its power from the usual house-lighting circuits.
Publication Date
1932-09-01
DOI
10.5594/J14757
Link
https://doi.org/10.5594/J14757
Author(s)
R. A. Miller, H. Pfannenstiehl
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J14757.json

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R. A. Miller and H. Pfannenstiehl; A Portable 16 MM. Sound Picture System, Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932); SMPTE, 1932. Available at https://doi.org/10.5594/J14757
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R. A. Miller and H. Pfannenstiehl; A Portable 16 MM. Sound Picture System, Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932); SMPTE, 1932. Available at https://doi.org/10.5594/J14757

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R. A. Miller and H. Pfannenstiehl; A Portable 16 MM. Sound Picture System, Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932); SMPTE, 1932. Available at https://doi.org/10.5594/J14757
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<span class="citation">R. A. Miller and H. Pfannenstiehl; <cite>A Portable 16 MM. Sound Picture System</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932); SMPTE, 1932. Available at <a href="https://doi.org/10.5594/J14757" target="_blank" rel="noopener">https://doi.org/10.5594/J14757</a></span>

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R. A. Miller and H. Pfannenstiehl; A Portable 16 MM. Sound Picture System, Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932); SMPTE, 1932
doi: 10.5594/J14757
url: https://doi.org/10.5594/J14757
Snippet:
<li>
R. A. Miller and H. Pfannenstiehl; <cite id="bib-10-5594-j14757">A Portable 16 MM. Sound Picture System</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 3, September 1932); SMPTE, 1932
<span class="doi">10.5594/J14757</span>
</li>