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Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951)
[ACTIVE]

Carbon Arc Characteristics that Determine Motion Picture Screen Light

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
56, No. 3, pp. 310–316
Abstract
In a carbon are motion picture projector, definite relations exist between screen light on the one hand, and the are current, current density, carbon size and the speed and collection angle of the projector optical system on the other. Measurements on more than 100 standard and experimental carbon arcs, with carbons ranging in size from 9 mm to 16 mm, have provided data to establish these relationships. Conditions are defined which are of importance in the matching of an optical system to a given are, or vice versa, and for obtaining optimum performance in any situation involving screen distribution, amount of light and preferred current.
Publication Date
1951-03-01
DOI
10.5594/J05075
ISSN
Print: 0898-042X
Link
https://doi.org/10.5594/J05075
Author(s)
M. T. JonesNational Carbon Research Laboratories, Box 6087, Cleveland 1, Ohio.
F. T. BowditchNational Carbon Research Laboratories, Box 6087, Cleveland 1, Ohio.
Copyright
© 1951 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Jones M. T. , “Motion picture screen light as a function of carbon are crater brightness distribution,” Jour. SMPE , vol. 49 , pp. 218 – 240 , Sept. 1947 . EXTERNAL
  • 2. Gretener E. , “Physical principles, design and performance of the ventarc high-intensity projection lamps,” Jour. SMPTE , vol. 55 , pp. 391 – 413 , Oct. 1950 . EXTERNAL
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M. T. Jones and F. T. Bowditch; Carbon Arc Characteristics that Determine Motion Picture Screen Light, Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951); SMPTE, 1951. Available at https://doi.org/10.5594/J05075
Snippet:
M. T. Jones and F. T. Bowditch; Carbon Arc Characteristics that Determine Motion Picture Screen Light, Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951); SMPTE, 1951. Available at https://doi.org/10.5594/J05075

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Preview:
M. T. Jones and F. T. Bowditch; Carbon Arc Characteristics that Determine Motion Picture Screen Light, Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951); SMPTE, 1951. Available at https://doi.org/10.5594/J05075
Snippet:
<span class="citation">M. T. Jones and F. T. Bowditch; <cite>Carbon Arc Characteristics that Determine Motion Picture Screen Light</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951); SMPTE, 1951. Available at <a href="https://doi.org/10.5594/J05075" target="_blank" rel="noopener">https://doi.org/10.5594/J05075</a></span>

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Preview:
M. T. Jones and F. T. Bowditch; Carbon Arc Characteristics that Determine Motion Picture Screen Light, Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951); SMPTE, 1951
doi: 10.5594/J05075
url: https://doi.org/10.5594/J05075
Snippet:
<li>
M. T. Jones and F. T. Bowditch; <cite id="bib-10-5594-j05075">Carbon Arc Characteristics that Determine Motion Picture Screen Light</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 3, March 1951); SMPTE, 1951
<span class="doi">10.5594/J05075</span>
</li>