Broadcasting Telecasting (Apr-Jun 1957)

Record Details:

Title:
Broadcasting Telecasting
Date:
Apr-Jun 1957
Publisher:
Washington, D.C. : Broadcasting Publications Inc.
Volume:
Broadcasting Telecasting
Leaf #:
000773
Language:
English
Subjects:
radio and television periodical, Broadcasting -- United States -- Periodicals
Collection:
Broadcasting & Recorded Sound
Format:
Periodicals
Contributor:
Library of Congress, MBRS, Recorded Sound Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Date Added:
June 13, 2024
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RCA, pioneer in the development of Image Orthicons, announces superdynode design— a major camera tube advancement that (1) improves picture quality, (2) simplifies camera-chain operation, and (3) lengthens effective tube life. In black-and-white TV-camera operation, for instance, the new super-dynode RCA-5820 substantially reduces dynode texture during "low-key" scenes and "mood" shots. In color TVcamera work, for example, super-dynode RCA-6474's save adjustment time on dark-shading, reduce color shift in dark areas, and make it possible to set decelerator grid voltage at the best value for highlight uniformity— throughout the useful life of the tube. RCA-5820's and -6474's with the new super-dynode design are directly interchangeable with all previous RCA-5820's and -6474's— without change in camera circuitry. You install an RCA super-dynode Image Orthicon— and you're ready to shoot. No stabilizing runs to bother with. No dynode burn-off required. super-dynode RCA-5820's for black-and-white are already available at your RCA Tube Distributor, super-dynode RCA-6474's for color will be available soon. For technical details on RCA Image Orthicons, write RCA, Commercial Engineering, Section E-13-0, Harrison, N. J. Advantages of SUPER-DYNODE For black-and-white • Less dynode texture in "low-key" scenes For color and black-and-white • Easy to adjust dark-shading • More uniform picture background • Decelerator-grid voltage can be set at optimum value for highlight uniformity— throughout tube life • Minimum undesirable background texture in low-light areas © Cleaner colors in the dark areas Improved efficiency • No dynode stabilizing time needed • No dynode burn-off required • Longer tube life than ever CAMERA TUBES FOR TELECASTING RADIO CORPORATION OF AMERICA Tube Division Harrison, N. J.