Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937)
[ACTIVE]
A Wide-Range, Linear-Scale Photoelectric Cell Densitometer
Metadata
- Publisher
- SMPTE — White Plains, NY, USA
- Doc Type
- Journal Article
- Content Type
- Original Research
- Abbreviated Title
- J SMPE
- Volume
- 28, No. 6, pp. 622–632
- Abstract
- A photoelectric cell densitometer is described that makes use of a modulated light-source, stable high-vacuum photoelectric cell, and an audio amplifier provided with a logarithmic potentiometer and multiplier supplying the desired linearity of calibration, the instrument being operated entirely by alternating current. Theoretical factors, density standards, and design problems of the instrument are also considered.
- Publication Date
- 1937-06-01
- DOI
10.5594/J08529- ISSN
- Print:
0097-5834 - Link
- https://doi.org/10.5594/J08529
- Author(s)
- W. W. LindsayGeneral Service Studios, Inc., Hollywood, Calif.W. V. WolfeRCA Manufacturing Co., Hollywood, Calif.
- Copyright
- © 1937 Society of Motion Picture and Television Engineers, Inc.
Bibliographic Reference(s)
- 1. Ferrie G. Joaust R. Mesny R. : “Amplification of Weak Currents and Their Application to Photoelectric Cells,” Proc. I. R. E. (Aug., 1925 ), No. 8, p. 461 . EXTERNAL
- 2. Jones L. A. : “Photographic Sensitometry,” J. Soc. Mot. Pict. Eng. , XVII (Nov., 1931 ), No. 5 , p. 713 . Eastman Kodak Co., reprint, pp. 58 and 60. EXTERNAL
- 3. Ibid. , XVII (Nov., 1931 ), No. 5, pp. 727–729; Eastman reprint, pp. 72 – 74 . EXTERNAL
- 4. Miller C. W. : “A Linear Photoelectric Densitometer,” Rev. Sci. Instr. (April, 1935 ), p. 125 . EXTERNAL
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W. W. Lindsay and W. V. Wolfe; A Wide-Range, Linear-Scale Photoelectric Cell Densitometer, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08529
Snippet:
W. W. Lindsay and W. V. Wolfe; A Wide-Range, Linear-Scale Photoelectric Cell Densitometer, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08529
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W. W. Lindsay and W. V. Wolfe; A Wide-Range, Linear-Scale Photoelectric Cell Densitometer, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08529
Snippet:
<span class="citation">W. W. Lindsay and W. V. Wolfe; <cite>A Wide-Range, Linear-Scale Photoelectric Cell Densitometer</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937); SMPTE, 1937. Available at <a href="https://doi.org/10.5594/J08529" target="_blank" rel="noopener">https://doi.org/10.5594/J08529</a></span>
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W. W. Lindsay and W. V. Wolfe; A Wide-Range, Linear-Scale Photoelectric Cell Densitometer, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937); SMPTE, 1937
doi: 10.5594/J08529
url: https://doi.org/10.5594/J08529
doi: 10.5594/J08529
url: https://doi.org/10.5594/J08529
Snippet:
<li> W. W. Lindsay and W. V. Wolfe; <cite id="bib-10-5594-j08529">A Wide-Range, Linear-Scale Photoelectric Cell Densitometer</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 6, June 1937); SMPTE, 1937 <span class="doi">10.5594/J08529</span> </li>