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

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 #:
000346
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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March, 1930] FILM NUMBERING DEVICE 329 the image is projected upon the film through a small notch cut in the sprocket. A simple catch is provided which drives the part containing the counter when the door is closed. For recording systems where the camera and the sound recorder are run by separate synchronous motors, a slightly different type of mechanism is used which does not start to number until both machines have come up to synchronous speed. The operation of this device in connection with motion picture pro FIG. 3. Rotating member of numbering device in position on sprocket. duction would be as follows. Before starting any particular scene, the camera men on the set receive their starting number from the recording room, the same as is done at present. Instead of punching this number on the film, each man sets his counter dial at the starting number, and when the cameras start each film will be numbered with the same series of consecutive numbers. After the film has been developed in the laboratory all that is necessary to do to locate the sound track belonging to any particular frame of the negative, is to look for the same number. If desirable, the various cameras and recorders