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Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951)
[ACTIVE]

Dynamic Transfer Characteristic of a Television Film Camera Chain

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The relation between kinescope luminance and the illuminance on the mosaic of the iconoscope can be measured under operating conditions by the use of specially prepared slides or 16-mm films. One or more small areas in any selected scene are replaced by areas of uniform density. A series of slides or a complete film consists of a series of pictures which are all identical except for the density of these measuring areas. The television chain is adjusted for satisfactory reproduction of the scene. Measurements of the illuminances on the iconoscope in the aforementioned areas are then plotted against measurements of the kinescope luminances in the corresponding areas. A number of transfer-characteristic curves are shown as examples of the effects of such variables as the density of the picture background, the shading control settings and the illuminance level. The differences between still and intermittent projection are illustrated by a set of transfer curves. Another group of curves shows the transfer characteristic of the photographic process, the transfer characteristic of the televising process, and the transfer characteristic of the combined film-television process. Because of the dependence of the transfer characteristic upon the nature of the scene, no single characteristic can be considered as representing the performance of an iconoscope film camera chain.
Publication Date
1951-09-01
DOI
10.5594/J11339
Link
https://doi.org/10.5594/J11339
Author(s)
W. K. Grimwood, T. G. Veal
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W. K. Grimwood and T. G. Veal; Dynamic Transfer Characteristic of a Television Film Camera Chain, Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951); SMPTE, 1951. Available at https://doi.org/10.5594/J11339
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W. K. Grimwood and T. G. Veal; Dynamic Transfer Characteristic of a Television Film Camera Chain, Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951); SMPTE, 1951. Available at https://doi.org/10.5594/J11339

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W. K. Grimwood and T. G. Veal; Dynamic Transfer Characteristic of a Television Film Camera Chain, Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951); SMPTE, 1951. Available at https://doi.org/10.5594/J11339
Snippet:
<span class="citation">W. K. Grimwood and T. G. Veal; <cite>Dynamic Transfer Characteristic of a Television Film Camera Chain</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951); SMPTE, 1951. Available at <a href="https://doi.org/10.5594/J11339" target="_blank" rel="noopener">https://doi.org/10.5594/J11339</a></span>

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Preview:
W. K. Grimwood and T. G. Veal; Dynamic Transfer Characteristic of a Television Film Camera Chain, Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951); SMPTE, 1951
doi: 10.5594/J11339
url: https://doi.org/10.5594/J11339
Snippet:
<li>
W. K. Grimwood and T. G. Veal; <cite id="bib-10-5594-j11339">Dynamic Transfer Characteristic of a Television Film Camera Chain</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 57, Issue: 3, September 1951); SMPTE, 1951
<span class="doi">10.5594/J11339</span>
</li>