Further Data on Infrared Transparency of Magnetic Tracks

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The first report on the discovery of the infrared transparency of magnetic tracks was published in the September 1957 Journal. In this Progress Report the author discusses further tests, the effect of the thickness of the magnetic oxide deposit upon its transmittance, and the results of intermodulation measurements on a 35mm reproducer converted for utilization of the transparency effect. Films which demonstrated the application of the phenomenon for bilingual and stereophonic recordings, and the modification of a projector for the use of such films, are described.
Publication Date: 1957-12-01
DOI: 10.5594/J14486
Link: https://doi.org/10.5594/J14486
Author(s): George Lewin

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George Lewin; Further Data on Infrared Transparency of Magnetic Tracks, Journal of the SMPTE ( Volume: 66, Issue: 12, December 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J14486

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George Lewin; Further Data on Infrared Transparency of Magnetic Tracks, Journal of the SMPTE ( Volume: 66, Issue: 12, December 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J14486

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George Lewin; Further Data on Infrared Transparency of Magnetic Tracks, Journal of the SMPTE ( Volume: 66, Issue: 12, December 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J14486

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<span class="citation">George Lewin; <cite>Further Data on Infrared Transparency of Magnetic Tracks</cite>, Journal of the SMPTE ( Volume: 66, Issue: 12, December 1957); SMPTE, 1957. Available at <a href="https://doi.org/10.5594/J14486" target="_blank" rel="noopener">https://doi.org/10.5594/J14486</a></span>

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George Lewin; Further Data on Infrared Transparency of Magnetic Tracks, Journal of the SMPTE ( Volume: 66, Issue: 12, December 1957); SMPTE, 1957
doi: 10.5594/J14486
url: https://doi.org/10.5594/J14486

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George Lewin; <cite id="bib-10-5594-j14486">Further Data on Infrared Transparency of Magnetic Tracks</cite>, Journal of the SMPTE ( Volume: 66, Issue: 12, December 1957); SMPTE, 1957
<span class="doi">10.5594/J14486</span>
</li>