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Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944)
[ACTIVE]

The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Data are given on the effect of filament shift and filament rotation on the screen brightness and brightness uniformity in a high-efficiency 16-mm projection optical system. The data show that the filament location and orientation are critical for maximum brightness and best uniformity. The precision illumination-testing projection equipment used in making these tests is described.
Publication Date
1944-07-01
DOI
10.5594/J08425
Link
https://doi.org/10.5594/J08425
Author(s)
M. G. Townsley
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J08425.json

Reference this Doc

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M. G. Townsley; The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity, Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944); SMPTE, 1944. Available at https://doi.org/10.5594/J08425
Snippet:
M. G. Townsley; The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity, Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944); SMPTE, 1944. Available at https://doi.org/10.5594/J08425

HTML (ISO 690 compliant)

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M. G. Townsley; The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity, Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944); SMPTE, 1944. Available at https://doi.org/10.5594/J08425
Snippet:
<span class="citation">M. G. Townsley; <cite>The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944); SMPTE, 1944. Available at <a href="https://doi.org/10.5594/J08425" target="_blank" rel="noopener">https://doi.org/10.5594/J08425</a></span>

SMPTE Icon SMPTE's HTML Pub

Preview:
M. G. Townsley; The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity, Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944); SMPTE, 1944
doi: 10.5594/J08425
url: https://doi.org/10.5594/J08425
Snippet:
<li>
M. G. Townsley; <cite id="bib-10-5594-j08425">The Effect of Lamp Filament Position on Projection Screen Brightness Uniformity</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 43, Issue: 1, July 1944); SMPTE, 1944
<span class="doi">10.5594/J08425</span>
</li>