Dynamic Spot Formation in Color Tubes

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 69, No. 10, pp. 738–742
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
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J09405
Author(s): Aurelius SandoPhysical Electronics Lab., General Telephone & Electronics Laboratories, Inc., Bayside 60, N.Y.
Copyright: © 1960 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Effective Spot Size in Beam Scanning Tubes [Active]
2. Sandor Aurelius , “Grid-controlled fine-focus guns for long beam throw,” to be published. EXTERNAL
3. Sandor Aurelius , “Emission decay below narrow grid apertures,” Le Vide (France), 89 . EXTERNAL

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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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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>
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Referenced By

Effective Spot Size in Beam Scanning Tubes [Active]