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

Page scan 000126 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 #:
000126
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
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

Jan., 1931] ABSTRACTS 119 to each other and may be rotated about the axis of the optical system. Parallelizing lenses — a negative and a positive lens — are mounted to pass light through the prisms. This system permits accurate focusing and is said to give critically sharp pictures. 1,781,923. F. HIRSCH. A shutter for motion picture apparatus mounted on the front of an objective formed of a pair of relatively adjustable fan shaped blades. These blades are operable by a cam and linkage back and forth across the objective to make successive exposures. 1,799,468. E. GOLDBERG AND O. FISHER. Cinematographic camera. This shows a spring driven motion picture camera equipped with two counters to indicate units of exposed film and a stop mechanism which is actuated after a desired length of film has been exposed. The spring energ}' is never totally expended as the stop will always function before the spring is unwound. This exposes all the frames equally before the spring grows weak.