Dynamic Spot Formation in Color Tubes

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Based on a former investigation, the dynamic spot formation and its size-reducing property during scan are visualized for square- and circle-shaped beam spots. While the feedback-type color tube systems require a priori an extremely small spot, the grid-focusing and the masking systems can utilize conventional spot sizes because of additional short-range focusing facilities and beam-shaping external to the electron gun. Alternative modes of operation with different scan-to-grid relations in the Lawrence color tube system are critically investigated. An optimum spot size condition is found when operated with wire-parallel scan and with a high grid-deflection rate which also removes the moiré effect.
Publication Date: 1960-10-01
DOI: 10.5594/J09405
Link: https://doi.org/10.5594/J09405
Author(s): Aurelius Sando

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Aurelius Sando; Dynamic Spot Formation in Color Tubes, Journal of the SMPTE ( Volume: 69, Issue: 10, October 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J09405

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Aurelius Sando; Dynamic Spot Formation in Color Tubes, Journal of the SMPTE ( Volume: 69, Issue: 10, October 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J09405

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Aurelius Sando; Dynamic Spot Formation in Color Tubes, Journal of the SMPTE ( Volume: 69, Issue: 10, October 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J09405

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<span class="citation">Aurelius Sando; <cite>Dynamic Spot Formation in Color Tubes</cite>, Journal of the SMPTE ( Volume: 69, Issue: 10, October 1960); SMPTE, 1960. Available at <a href="https://doi.org/10.5594/J09405" target="_blank" rel="noopener">https://doi.org/10.5594/J09405</a></span>

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Aurelius Sando; Dynamic Spot Formation in Color Tubes, Journal of the SMPTE ( Volume: 69, Issue: 10, October 1960); SMPTE, 1960
doi: 10.5594/J09405
url: https://doi.org/10.5594/J09405

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<li>
Aurelius Sando; <cite id="bib-10-5594-j09405">Dynamic Spot Formation in Color Tubes</cite>, Journal of the SMPTE ( Volume: 69, Issue: 10, October 1960); SMPTE, 1960
<span class="doi">10.5594/J09405</span>
</li>