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Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954)
[ACTIVE]

Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
62, No. 5, pp. 364–376
Abstract
In the projection of motion-picture film at high intensities for maximum screen illumination, it is sometimes desirable to cool the film and control its position with a blast of high velocity air. This paper presents a method for evaluating the design, placement, and operation of the jet which provides the cooling air. The heart of the method is the fact that the brightness of certain phosphors depends strongly on temperature. Such phosphors provide an immediate visual indication of the temperature distribution over the film face. Examples of several air flow patterns revealed by the use of phosphors are discussed. Test results obtained by projection of film are compared with predictions.
Publication Date
1954-05-01
DOI
10.5594/J00902
ISSN
Print: 0898-042X
Link
https://doi.org/10.5594/J00902
Author(s)
F. J. KolbManufacturing Experiments Div.
F. UrbachKodak Research Laboratories, Eastman Kodak Co., Rochester 4, N.Y.
Copyright
© 1954 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Air Cooling of Motion Picture Film for Higher Screen Illumination [Active]
  • 2. Nail N. R. Pearlman D. Urbach F. , Photoluminescence of Some Sulfide Phosphors as a Function of Intensity , Cornell Symposium on Luminescent Materials. John Wiley and Sons , New York , 1946 . EXTERNAL
  • 3. Nail N. R. Urbach F. Pearlman D. , “New observations on superlinear luminescence,” J. Opt. Soc. Am. , 39 : 690 – 694 , Aug. 1949 . EXTERNAL
  • 4. Urbach F. , “Thermography,” Phot. J., 90B : 109 – 114 , July-Aug. 1950 . EXTERNAL
  • 5. Urbach F. Nail N. R. Pearlman D. , “The observation of temperature distributions and of thermal radiation by means of nonlinear phosphors,” J. Opt. Soc. Am. , 39 : 1011 – 1019 , Dec. 1949 . EXTERNAL
  • 6. Urbach F. Urbach A. Schwartz M. , “The brightness of apparent fluorescence as a function of the exciting intensities,” J. Opt. Soc. Am. , 37 : 122 , Feb. 1947 . EXTERNAL
  • 7. U.S. Patent No. 2,551,650, May 8, 1951 : “Measurement of Temperature Distribution on Surfaces of Solid Bodies.” . EXTERNAL
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F. J. Kolb and F. Urbach; Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954); SMPTE, 1954. Available at https://doi.org/10.5594/J00902
Snippet:
F. J. Kolb and F. Urbach; Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954); SMPTE, 1954. Available at https://doi.org/10.5594/J00902

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F. J. Kolb and F. Urbach; Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954); SMPTE, 1954. Available at https://doi.org/10.5594/J00902
Snippet:
<span class="citation">F. J. Kolb and F. Urbach; <cite>Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954); SMPTE, 1954. Available at <a href="https://doi.org/10.5594/J00902" target="_blank" rel="noopener">https://doi.org/10.5594/J00902</a></span>

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Preview:
F. J. Kolb and F. Urbach; Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954); SMPTE, 1954
doi: 10.5594/J00902
url: https://doi.org/10.5594/J00902
Snippet:
<li>
F. J. Kolb and F. Urbach; <cite id="bib-10-5594-j00902">Temperature-Sensitive Phosphors for the Evaluation of Air Jets Designed to Cool Motion-Picture Film</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 5, May 1954); SMPTE, 1954
<span class="doi">10.5594/J00902</span>
</li>

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