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Proceedings of the Institute of Radio Engineers

Issue 8 • Date Aug. 1937

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Displaying Results 1 - 19 of 19
  • [Front cover]

    Publication Year: 1937, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1937, Page(s): c2
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  • Contents

    Publication Year: 1937, Page(s): i
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  • General Information

    Publication Year: 1937, Page(s): ii
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  • Institute sections

    Publication Year: 1937, Page(s): iii
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  • Geographical Location of Members Elected July 7, 1937

    Publication Year: 1937, Page(s):iv - v
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  • Applications for Membership

    Publication Year: 1937, Page(s):vi - vii
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  • Officers and Board of Directors

    Publication Year: 1937, Page(s): viii
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  • William H. Doherty, Recipient, Morris Liebmann Memorial Prize, 1937

    Publication Year: 1937, Page(s): 922
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  • Institute news and radio notes

    Publication Year: 1937, Page(s):923 - 936
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  • Development of the Projection Kinescope

    Publication Year: 1937, Page(s):937 - 953
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3104 KB)

    This paper discusses the general requirements and design of Kinescope tubes for projecting television images. A picture 18×24 inches in size having a brightness in the high lights of 0.9 candle per square foot appears to be an acceptable minimum for home television reception. Several years of developmental work were required before the problems of designing a suitable projection system were c... View full abstract»

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  • High Current Electron Gun for Projection Kinescopes

    Publication Year: 1937, Page(s):954 - 976
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3456 KB)

    One of the problems in the art of reproducing a scene by television is to obtain an image of adequate size. Because of this there has been considerable interest in projection systems where a small, high intensity image reproduced on the face of a projection Kinescope is thrown onto a viewing screen of the desired size by a suitable optical system. The light output and the definition of these syste... View full abstract»

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  • Theoretical Limitations of Cathode-Ray Tubes

    Publication Year: 1937, Page(s):977 - 991
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1528 KB)

    The current density in a focused beam of cathode rays is shown to have an upper limit defined by I = I0(Ee/kT+1) sin2φ, where I is the maximum current density obtainable in the focused spot, I0is the current density at the cathode, E is the voltage at the focus relative to the cathode, T is the absolute temperature of the cathode, e is the electronic charge, k... View full abstract»

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  • A Circuit for Studying Kinescope Resolution

    Publication Year: 1937, Page(s):992 - 1011
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5280 KB)

    Several of the characteristics of a cathode-ray tube which determine its usefulness as a Kinescope for television reception are outlined. Various means for studying these characteristics are discussed. A system is outlined for studying Kinescope resolution by breaking the picture into alternate black-and-white picture elements arranged in checkerboard fashion. A practical application of this syste... View full abstract»

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  • An Oscillograph for Television Development

    Publication Year: 1937, Page(s):1012 - 1033
    Cited by:  Papers (1)
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  • The Brightness of Outdoor Scenes and Its Relation to Television Transmission

    Publication Year: 1937, Page(s):1034 - 1047
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2384 KB)

    The average brightness of typical outdoor scenes has been determined by computation and by measurement. The average brightness of some scenes was found to be over 1000 candles per square foot, and of other scenes nearly zero. In many cases the average brightness lay between twenty and 200 candles per square foot. The sensitivity of a present-day television system using the Iconoscope has been foun... View full abstract»

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  • Television Pickup Tubes with Cathode-Ray Beam Scanning

    Publication Year: 1937, Page(s):1048 - 1070
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5880 KB)

    Television pickup tubes which use cathode-ray beam scanning, although only one class of television pickup devices, may be made in a variety of ways, a number of which are described in this paper. In these tubes, the function of the electron beam is to release secondary electrons from the target, the number escaping being modulated by electrostatic fields, magnetic fields, orientation of electrodes... View full abstract»

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  • Theory and Performance of the Iconoscope

    Publication Year: 1937, Page(s):1071 - 1092
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4037 KB)

    Field tests have shown the present standard Iconoscope to be a very satisfactory television pickup device. However, from a theoretical point of view the efficiency of the Iconoscope as a storage system is rather low. The principal factors responsible for the low efficiency are lack of collecting field for photoelectrons, and losses caused by the redistribution of secondary electrons produced by th... View full abstract»

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  • Contributors to this issue

    Publication Year: 1937, Page(s):1093 - 1094
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Aims & Scope

This Periodical ceased production in 1938. The current retitled publication is Proceedings of the IEEE.

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