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 #:
000134
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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1949 THEATER TELEVISION 131 500-pound, 42-inch mirror, and its 21-inch glass lens, each of which had required months of grinding, to a 20-inch mirror and a 15V2-inch plastic molded lens weighing only 50 pounds! This equipment, although smaller than previous equipments projecting the same size picture, was nevertheless relatively bulky as it contained power supply and video amplifiers in the base of the unit. Subsequent developments, in addition to improving performance, have made it possible to separate the optical barrel from the balance THEATRE MOTION PICTURE PROJECTOR Fig. 3 — Schematic of kinescope-photography system. of the equipment. Hence, the smaller barrel (30 inches in diameter and 36 inches long) is now the only element of equipment required in the theater auditorium. It may be mounted from 40 to 65 feet from the screen by using appropriate projection lenses, at which distances it will project a 15 X 20-foot picture. This particular demonstration is limited to 11 X 15 feet by the room dimensions. While this development has been taking place the parallel field of broadcast television has also developed. Some impression of its rapid progress can be drawn from Table I, particularly when it is remembered that the average television receiver frequently has more than one viewer; literally, an audience running into the millions!