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Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947)
[ACTIVE]

A Newly Developed Light Modulator for Sound Recording

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
49, No. 1, pp. 48–57
Abstract
A new light modulator, recently developed, has very low distortion and greatly improved performance characteristics. It is of the magnetic type and is mechanically and optically interchangeable with the present RCA sound-recording galvanometers. The power required for 100 per cent modulation is 1.25 w. Distortion characteristics, frequency-response curves, and impedance data are shown. The effect of bias current upon the performance characteristics is also given.
Publication Date
1947-07-01
DOI
10.5594/J12687
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J12687
Author(s)
G. L. Dimmick
Copyright
© 1947 Society of Motion Picture and Television Engineers, Inc.
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G. L. Dimmick; A Newly Developed Light Modulator for Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947); SMPTE, 1947. Available at https://doi.org/10.5594/J12687
Snippet:
G. L. Dimmick; A Newly Developed Light Modulator for Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947); SMPTE, 1947. Available at https://doi.org/10.5594/J12687

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G. L. Dimmick; A Newly Developed Light Modulator for Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947); SMPTE, 1947. Available at https://doi.org/10.5594/J12687
Snippet:
<span class="citation">G. L. Dimmick; <cite>A Newly Developed Light Modulator for Sound Recording</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947); SMPTE, 1947. Available at <a href="https://doi.org/10.5594/J12687" target="_blank" rel="noopener">https://doi.org/10.5594/J12687</a></span>

SMPTE Icon SMPTE's HTML Pub

Preview:
G. L. Dimmick; A Newly Developed Light Modulator for Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947); SMPTE, 1947
doi: 10.5594/J12687
url: https://doi.org/10.5594/J12687
Snippet:
<li>
G. L. Dimmick; <cite id="bib-10-5594-j12687">A Newly Developed Light Modulator for Sound Recording</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 1, July 1947); SMPTE, 1947
<span class="doi">10.5594/J12687</span>
</li>

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