Journal of the Society of Motion Picture Engineers (1930-1949)

Page scan 000141 from Journal of the Society of Motion Picture Engineers

Record Details:

Title:
Journal of the Society of Motion Picture Engineers
Date:
1930-1949
Publisher:
New York, N.Y. : The Society
Volume:
Journal of the Society of Motion Picture Engineers
Leaf #:
000141
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
The Journal of the Society of Motion Picture Engineers (SMPE)Êdocuments the technological progress of the film industry, highlighting technical developments in production and exhibition. Of special interest are articles about special effects, theater practices, lighting, and the introduction of the 16mm format. Initially titled "Transactions of the Journal of the Society of Motion Picture Engineers."Digitized by the Prelinger Library and the Library of Congress Motion Picture, Broadcasting and Recorded Sound Division.
Date Added:
July 19, 2022
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JF I Al Fig. 10. Circuitry in the high The automatic brightness control circuit, Fig. 12, is a means of automatically adjusting brightness on a cathode-ray tube, utilizing the varying plate voltage of the video output tube to adjust automatically the accelerator voltage on the accelerator grid AG of the cathode-ray tube CRT. This automatic adjustment not only maintains the greatest amount of highlight brilliance at any amount of video signal input, but also prevents the cathode-ray tube from blooming, that is, it prevents abnormal enlargement of picture or raster. This in effect is accomplished by varying the accelerator 132 August 1952 Journal of the SMPTE Vol. 59