A Commercial Cold Reflector

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Methods of reducing the temperature at the aperture of motion-picture projectors are discussed. The development of the cold reflector is outlined and its performance data on illumination and radiation are compared with those for the silver reflector, with and without a heat-reflecting filter. Field tests show that the cold reflector gives such desirable results as improved screen illumination; minimization of film buckle together with alleviation of out-of-focus problems; and a cooler aperture plate, an advantage in changing the aspect ratio.
Publication Date: 1960-05-01
DOI: 10.5594/J13792
Link: https://doi.org/10.5594/J13792
Author(s): H. H. Schroeder, A. F. Turner

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H. H. Schroeder and A. F. Turner; A Commercial Cold Reflector, Journal of the SMPTE ( Volume: 69, Issue: 5, May 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J13792

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H. H. Schroeder and A. F. Turner; A Commercial Cold Reflector, Journal of the SMPTE ( Volume: 69, Issue: 5, May 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J13792

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H. H. Schroeder and A. F. Turner; A Commercial Cold Reflector, Journal of the SMPTE ( Volume: 69, Issue: 5, May 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J13792

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<span class="citation">H. H. Schroeder and A. F. Turner; <cite>A Commercial Cold Reflector</cite>, Journal of the SMPTE ( Volume: 69, Issue: 5, May 1960); SMPTE, 1960. Available at <a href="https://doi.org/10.5594/J13792" target="_blank" rel="noopener">https://doi.org/10.5594/J13792</a></span>

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Preview:

H. H. Schroeder and A. F. Turner; A Commercial Cold Reflector, Journal of the SMPTE ( Volume: 69, Issue: 5, May 1960); SMPTE, 1960
doi: 10.5594/J13792
url: https://doi.org/10.5594/J13792

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H. H. Schroeder and A. F. Turner; <cite id="bib-10-5594-j13792">A Commercial Cold Reflector</cite>, Journal of the SMPTE ( Volume: 69, Issue: 5, May 1960); SMPTE, 1960
<span class="doi">10.5594/J13792</span>
</li>