Journal of the Society of Motion Picture and Television Engineers (1950-1954)

Record Details:

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.

high-speed cameras to cover the time intervals between pictures provided by any one camera. A thorough introduction to the schlieren, shadowgraph, and interferometer techniques is provided by Barnes,92 who incorporates a bibliography of 219 references in his paper. Clason93 explained the use of conventional photoflash bulbs to illuminate a gun-fired projectile for photography at 6000 frames/sec in tests conducted by NAGA. The use of high-intensity, highspeed repetitive flash illumination is described by Fristrom.94 An image-transport disc camera operating at 100,000 frames/sec and yielding 8mm motion pictures in a form suitable for normal projection is described by Miller and Scharf.95 Other forms of ultra-high-speed photography applied to the study of explosions are well outlined by Sultanoff,96 citing examples of work done at Aberdeen Proving Ground using streak, singleexposure, and high-speed motion-picture cameras. Armed Services The United States Air Force has made extensive use of kinescope recordings and television for training-film purposes. Approximately 125 kinescope productions were made during 1953, utilizing more than 170,000 ft of film. Television was also used by the Air Defense Command in televising weather information to pilots. The Signal Corps is evaluating the applicability of television for use by the Army. The Human Resources Research Office of George Washington University is making the evaluations. The Signal Corps Mobile Television System is conducting a series of studies involving training and tactical applications of television. The Signal Corps has also a tactical television system using miniaturized equipment mounted in tactical vehicles and airborne equipment. The United States Navy is conducting tests of underwater television kinescope recordings while the Bureau of Ships has developed underwater television camera equipment for such studies. Underwater illumination is furnished by specially developed mercury and xenon arc sources. The Naval Photographic Center has developed improved kinescope recording equipment and techniques for these applications. Rapid and unpredictable changes in subject brightness and contrast make desirable the use of film of greater latitude and higher speed than commonly used. A high-speed facsimile system which transmits and receives at the rate of ten letter-size pages per minute has been designed by the Navy Bureau of Ships and developed by the Radio Corp. of America, in conjunction with the Haloid Corp. The copy to be transmitted is picked up by a flying-spot scanner, and the received copy is reproduced by the automatic continuous xerographic process. Rapid processing machines for aerial roll film and paper, for 70mm, 35mm and 16mm film are now in production. Naval photographic processing is being changed over to continuous rapid machine processing. The Army Pictorial Center has developed a technique of recording on loops of magnetic film which has greatly simplified the "lip synchronization" of foreign languages to Army training films (see the paper on this subject soon to be published in the Journal}. The Naval Ordnance Test Station has developed a versatile tracking camera which is mounted as an independent unit, supplying its own power, and capable of negotiating heavy sand. A new tracking telescope type of optical recording instrument has been produced at the White Sands Proving Ground by the Army for missile programs. Its flexibility permits the use of different cameras and optical systems, and its use as a cinetheodolite of moderate precision. 354 May 1954 Journal of the SMPTE Vol. 62