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Proceedings of the Institute of Radio Engineers

Issue 3 • Date June 1919

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Displaying Results 1 - 14 of 14
  • [Front cover]

    Publication Year: 1919, Page(s): c1
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  • Information about the Society

    Publication Year: 1919, Page(s):201 - 202
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  • Contents

    Publication Year: 1919, Page(s): 203
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  • Officers and Board of Direction, 1919

    Publication Year: 1919, Page(s):204 - 206
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  • Reception thru Static and Interference

    Publication Year: 1919, Page(s):207 - 244
    Cited by:  Papers (4)
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    The effects produced by static (strays) are considered, and the Eccles classification of static as grinders, clicks, and hisses is adopted. Previous attempts to eliminate strays are described with explanations of their non-operativeness. Researches are described which indicate that grinders, the predominantly objectionable summer static, act as if propagated vertically. A balanced antenna structur... View full abstract»

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  • Discussion

    Publication Year: 1919, Page(s):245 - 256
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  • A New Method of Using Contact Detectors in Radio Measurements

    Publication Year: 1919, Page(s):257 - 259
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    An arrangement for using crystal detectors in radio measurements is shown. It is based on the original use of a low resistance shunt across detector and galvanometer and calibration of the arrangement using r.f. currents which can be measured with hot-wire instruments. By increasing the shunt resistance, the necessary much higher sensibility is directly obtained. Performance data are given. View full abstract»

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  • The Possibilities of Concealed Receiving Systems

    Publication Year: 1919, Page(s):261 - 266
    Cited by:  Papers (1)
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    A closed 3-meter square loop of 16 turns of wire, hung about 1.5 meters from the ground, was used for long distance reception with an oscillating audion. Daylight overland reception from stations as distant as 3,000 miles (4,800 kilometers) was regularly accomplished. A combination of two similar loops was also employed, and considerably increased the directional selectivity. The inherent directio... View full abstract»

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  • On Measurement of Signal Strength

    Publication Year: 1919, Page(s):267 - 278
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    The "shunted telephone" method of measuring audibility of received signals is discussed, and it is shown that the audibility factor as usually calculated, may vary widely from the true strength ratio. This is true whether shunted resistance or shunted impedance is taken as the basis of calculation. The author then determines the radio quantity corresponding to any determined audibility factor or s... View full abstract»

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  • Discussion

    Publication Year: 1919, Page(s):279 - 280
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  • The Cabot Converter

    Publication Year: 1919, Page(s):281 - 291
    Cited by:  Papers (1)
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    The Cabot converter is a combination of a few-phase primary and many-phase secondary transformer and a secondary circuit commutator driven by a synchronous motor. Direct current of high voltage can be readily produced, e.g. for radio transmitters. The converter has a lower reactance voltage than the standard rotary converter and has other constructional and electrical advantages. View full abstract»

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  • On the Poulsen Arc and Its Theory (Supplementary Note)

    Publication Year: 1919, Page(s):293 - 297
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    Continuing the discussion of sustained oscillations of the first or second type produced by Poulsen arcs, as given in his earlier paper in the PROCEEDINGS, the author derives an approximate value for the peak voltage required for the maintenance of such oscillations. He then presents further experimental data on the nature of the arc in normal or too weak or strong magnetic fields. He also conside... View full abstract»

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  • Electrical Oscillations in Antennas and Inductance Coils

    Publication Year: 1919, Page(s):299 - 326
    Cited by:  Papers (3)
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    After considering the theory of circuits having uniformly distributed constants, the author shows graphically the frequency-variation of reactance of such circuits and, after further analysis, those of inductance-loaded and capacity-loaded antennas as well. The calculation of the effective constants of the antenna at radio frequencies in terms of their corresponding values at audio frequencies fol... View full abstract»

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  • Further Discussion on "On the Electrical Operation and Mechanical Design of an Impulse Excitation Multi-Spark Group Radio Transmitter" by Bowden Washington

    Publication Year: 1919, Page(s):327 - 328
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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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