Control of Fluorescent Screen Dot Size for Color TV

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 65, No. 8, pp. 407–410
Abstract: Methods of fabricating dot fluorescent screens for color television mask-type tubes are summarized, and the dot size control factors associated with the different methods are explored. Special emphasis is given to screening factors for focus mask-type tubes which have high-transmission masks. The tube and mask geometry is studied, and the effect of light-intensity gradients across the dot image as a function of light source size is considered. From these studies, and a knowledge of the physical characteristics of the binder and phosphor materials, an optical method of dot-size control is developed using photographic exposure time and light source size as the parameters. Lastly, annulus-shaped light exposure sources are considered and are shown to produce images having improved size control characteristics.
Publication Date: 1956-08-01
DOI: 10.5594/J13928
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J13928
Author(s): Sam H. KaplanThe Rauland Corp., 4245 N. Knox Ave., Chicago 41
Copyright: © 1956 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Theory of Parallax Barriers [Active]
Image Gradation, Graininess and Sharpness in Television and Motion-Picture Systems: Part IV, A & B: Image Analysis in Photographic and Television Systems (Definition and Sharpness) [Active]
1. Law H. B. , “A three-gun shadow-mask color kinescope,” Proc. I.R.E. , 39 : 1186 – 1194 , Oct, 1951 . EXTERNAL
2. Fyler N. F. Rowe W. E. Cain C. W. , “The CBS Colortron: A color picture tube of advanced design,” Proc. I.R.E. , 42 : 326 – 336 , Jan, 1954 . EXTERNAL
4. Mack J. E. Martin M. J. , The Photographic Process , McGraw-Hill Book Co. , New York , pp. 329 , 451 and 457 ( 1939 ). EXTERNAL
5. Amdursky M. E. Pohl R. G. Szegho C. S. , “A new high-efficiency parallax mask color tube,” Proc. I.R.E. , 43 : 936 – 943 , Aug, 1955 . EXTERNAL

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Sam H. Kaplan; Control of Fluorescent Screen Dot Size for Color TV, Journal of the SMPTE ( Volume: 65, Issue: 8, August 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J13928

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Sam H. Kaplan; Control of Fluorescent Screen Dot Size for Color TV, Journal of the SMPTE ( Volume: 65, Issue: 8, August 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J13928

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Sam H. Kaplan; Control of Fluorescent Screen Dot Size for Color TV, Journal of the SMPTE ( Volume: 65, Issue: 8, August 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J13928

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<span class="citation">Sam H. Kaplan; <cite>Control of Fluorescent Screen Dot Size for Color TV</cite>, Journal of the SMPTE ( Volume: 65, Issue: 8, August 1956); SMPTE, 1956. Available at <a href="https://doi.org/10.5594/J13928" target="_blank" rel="noopener">https://doi.org/10.5594/J13928</a></span>

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Sam H. Kaplan; Control of Fluorescent Screen Dot Size for Color TV, Journal of the SMPTE ( Volume: 65, Issue: 8, August 1956); SMPTE, 1956
doi: 10.5594/J13928
url: https://doi.org/10.5594/J13928

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<li>
Sam H. Kaplan; <cite id="bib-10-5594-j13928">Control of Fluorescent Screen Dot Size for Color TV</cite>, Journal of the SMPTE ( Volume: 65, Issue: 8, August 1956); SMPTE, 1956
<span class="doi">10.5594/J13928</span>
</li>