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Radio Engineers, Proceedings of the Institute of

Issue 3 • Date June 1918

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  • [Front cover]

    Publication Year: 1918 , Page(s): c1
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    Freely Available from IEEE
  • Information about the Society

    Publication Year: 1918 , Page(s): 113 - 114
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  • Contents

    Publication Year: 1918 , Page(s): 115
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  • Jesse Edgar Baker [Obituary]

    Publication Year: 1918 , Page(s): 116
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  • Some Aspects of Radio Telephony in Japan

    Publication Year: 1918 , Page(s): 117 - 140
    Cited by:  Papers (1)
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    After outlining the experiments in radio telephony carried out in Japan since 1906, the "T. Y. K." system is cited. A newer system using, in the most favorable case, copper and aluminum electrodes about 0.2 inch (0.5 mm.) apart in rarefied air or other gas at a pressure of about 40 to 70 mm. as the discharger is then described in great detail. The influence of electrode design, gas pressure, electrode material, and other factors is considered. Means of securing steady and continued operation are given. Mr. T. Kujirai's earlier system of radio telephony is then described. This involves a direct current, moderate voltage discharger having a rotating brass disc and a fixed aluminum point as electrodes. A ferromagnetic frequency tripler due to Mr. T. Kujirai is discussed and operating data for its use in conjunction with an Alexanderson radio frequency alternator are given. View full abstract»

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  • A Dynamic Method for Determining the Characteristics of Three-Electrode Vacuum Tubes

    Publication Year: 1918 , Page(s): 141 - 148
    Cited by:  Papers (5)
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    After considering the characteristics and "amplification constants" of three-electrode vacuum tubes, the author describes the theory and practice of a new method for determining the amplification constant and internal resistance of such tubes directly and rapidly. Examples of results thus obtained are given. View full abstract»

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  • Edison Storage Batteries for Electron Relays

    Publication Year: 1918 , Page(s): 149 - 158
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    The development of a new type of Edison nickel-steel storage battery for use in the plate circuit of electron relays is described. This is a small 1.25 ampere-hour, 2.56-volt twin-cell. Normal discharge lasts several thousand hours. Various assemblies of these for 40 and 110 volts, in conjunction with various filament-lighting Edison storage battery sets, are described in detail, with electrical operating data, weights, and dimensions View full abstract»

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  • Further Discussion on "On the Use of Constant Potential Generators for Charging Radiotelegraphic Condensers and the New Radiotelegraphic Installations of the Postal and Telegraph Department of France" by Leon Bouthillon

    Publication Year: 1918 , Page(s): 159 - 161
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  • Notes Relative to the Immediately Preceding Discussion of Mr. Bethenod

    Publication Year: 1918 , Page(s): 163 - 165
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  • Theory of Free and Sustained Oscillations

    Publication Year: 1918 , Page(s): 167 - 176
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    The free oscillations produced on a circuit having capacity, inductance, resistance, and conductance (leakance) are studied. The transient and permanent conditions with sustained oscillations are similarly treated. The resonance and energy relations of such circuits are carefully considered, together with the influence of conductance and resistance on decrement of the circuit and period thereof. View full abstract»

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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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