An Improved Vidicon Focusing-Deflecting Unit

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The effect known as beam-landing error or “porthole” in vidicon cameras is eliminated through the use of a suitable coil configuration. The axial positions of the coils are chosen so that the beam electrons approach the target with only an axial component of velocity at all times. Exceptional signal uniformity independent of signal-electrode voltage and focus field strength is then obtained with a vidicon having a uniform photoconductor. A particular coil design and the results obtained with it are discussed.
Publication Date: 1959-04-01
DOI: 10.5594/J11057
Link: https://doi.org/10.5594/J11057
Author(s): J. Castleberry, B. H. Vine

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J. Castleberry and B. H. Vine; An Improved Vidicon Focusing-Deflecting Unit, Journal of the SMPTE ( Volume: 68, Issue: 4, April 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J11057

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J. Castleberry and B. H. Vine; An Improved Vidicon Focusing-Deflecting Unit, Journal of the SMPTE ( Volume: 68, Issue: 4, April 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J11057

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J. Castleberry and B. H. Vine; An Improved Vidicon Focusing-Deflecting Unit, Journal of the SMPTE ( Volume: 68, Issue: 4, April 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J11057

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<span class="citation">J. Castleberry and B. H. Vine; <cite>An Improved Vidicon Focusing-Deflecting Unit</cite>, Journal of the SMPTE ( Volume: 68, Issue: 4, April 1959); SMPTE, 1959. Available at <a href="https://doi.org/10.5594/J11057" target="_blank" rel="noopener">https://doi.org/10.5594/J11057</a></span>

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J. Castleberry and B. H. Vine; An Improved Vidicon Focusing-Deflecting Unit, Journal of the SMPTE ( Volume: 68, Issue: 4, April 1959); SMPTE, 1959
doi: 10.5594/J11057
url: https://doi.org/10.5594/J11057

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<li>
J. Castleberry and B. H. Vine; <cite id="bib-10-5594-j11057">An Improved Vidicon Focusing-Deflecting Unit</cite>, Journal of the SMPTE ( Volume: 68, Issue: 4, April 1959); SMPTE, 1959
<span class="doi">10.5594/J11057</span>
</li>