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Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973)
[ACTIVE]

A Segmented Lens for Improving Color Television Dot Patterns

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A new segmented lens has been designed and fabricated that is intended to replace a conventional, continuous-surface lens used in making color TV picture tubes. The lens is employed in the lighthouse during the phosphor dot screening process. Using the segmented lens, it has been possible to reduce beam landing errors by more than 50% in the new 110° deflection angle picture tubes. With this lens, the wide-angle tubes should be no more difficult to produce than ordinary 90° tubes, and when it is used in the manufacture of 90° tubes, pictures of unprecedented high quality are made possible.
Publication Date
1973-03-01
DOI
10.5594/J07677
Link
https://doi.org/10.5594/J07677
Author(s)
Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, Iwao Ogura
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Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, and Iwao Ogura; A Segmented Lens for Improving Color Television Dot Patterns, Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07677
Snippet:
Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, and Iwao Ogura; A Segmented Lens for Improving Color Television Dot Patterns, Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07677

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Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, and Iwao Ogura; A Segmented Lens for Improving Color Television Dot Patterns, Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07677
Snippet:
<span class="citation">Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, and Iwao Ogura; <cite>A Segmented Lens for Improving Color Television Dot Patterns</cite>, Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J07677" target="_blank" rel="noopener">https://doi.org/10.5594/J07677</a></span>

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Preview:
Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, and Iwao Ogura; A Segmented Lens for Improving Color Television Dot Patterns, Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973); SMPTE, 1973
doi: 10.5594/J07677
url: https://doi.org/10.5594/J07677
Snippet:
<li>
Eiichi Yamazaki, Koichi Maruyama, Toshio Ueda, and Iwao Ogura; <cite id="bib-10-5594-j07677">A Segmented Lens for Improving Color Television Dot Patterns</cite>, Journal of the SMPTE ( Volume: 82, Issue: 3, March 1973); SMPTE, 1973
<span class="doi">10.5594/J07677</span>
</li>