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Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941)
[ACTIVE]

A new Mirror Light-Modulator

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A vibrating mirror light-modulator developed for 200-mil push-pull recording is described. Modern magnetic materials are used in the magnetic structure to obtain high electromagnetic efficiency and therefore adequate electromagnetic damping. Distortion is limited to low values by accurate mechanical balance of the armature. An inverse shunting network, to build the modulator impedance out to a constant resistance, has been developed, making the response characteristic substantially free from driving-circuit impedance, so that any desired frequency characteristic can be obtained by the insertion of a constant-resistance equalizer.
Publication Date
1941-05-01
DOI
10.5594/J12901
Link
https://doi.org/10.5594/J12901
Author(s)
W. R. Goehner
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J12901.json

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W. R. Goehner; A new Mirror Light-Modulator, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J12901
Snippet:
W. R. Goehner; A new Mirror Light-Modulator, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J12901

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W. R. Goehner; A new Mirror Light-Modulator, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J12901
Snippet:
<span class="citation">W. R. Goehner; <cite>A new Mirror Light-Modulator</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941); SMPTE, 1941. Available at <a href="https://doi.org/10.5594/J12901" target="_blank" rel="noopener">https://doi.org/10.5594/J12901</a></span>

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Preview:
W. R. Goehner; A new Mirror Light-Modulator, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941); SMPTE, 1941
doi: 10.5594/J12901
url: https://doi.org/10.5594/J12901
Snippet:
<li>
W. R. Goehner; <cite id="bib-10-5594-j12901">A new Mirror Light-Modulator</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941); SMPTE, 1941
<span class="doi">10.5594/J12901</span>
</li>