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Radio Engineers, Proceedings of the Institute of

Issue 11 • Date Nov. 1933

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  • [Front cover]

    Publication Year: 1933 , Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1933 , Page(s): c2
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  • Contents

    Publication Year: 1933 , Page(s): i
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  • General Information

    Publication Year: 1933 , Page(s): ii
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  • Institute sections

    Publication Year: 1933 , Page(s): iii
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  • Geographical Location of Members Elected October 4, 1933

    Publication Year: 1933 , Page(s): iv
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  • Applications for Membership

    Publication Year: 1933 , Page(s): v
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  • Officers and Board of Directors, 1933

    Publication Year: 1933 , Page(s): vi
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  • Institute news and radio notes

    Publication Year: 1933 , Page(s): 1513 - 1518
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  • A New Field of Application for Ultra-Short Waves

    Publication Year: 1933 , Page(s): 1519 - 1531
    Cited by:  Papers (2)
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    In a previous issue of the Proceedings A. Esau and W. M. Hahnemann referred to the applications of ultra-short waves and to their being suitable for a precise bundling of radiation. In the meantime, other authors have discussed the same subject. The present paper describes the use of this kind of waves in connection with radio beacons. A new method of forming a guide ray by keying the reflectors is stated. The dependence of the guide ray upon size, spacing, and number of reflectors is measured. There is no distortion due to reflections. A description is given of the use of the radio range beacon for blind landing of airplanes in thick weather. Simultaneous visual and aural reception in the airplane is possible without changing the method of keying the transmitter. View full abstract»

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  • Vacuum Tube Electronics at Ultra-High Frequencies

    Publication Year: 1933 , Page(s): 1532 - 1573
    Cited by:  Papers (16)
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    Vacuum tube electronics are analyzed when the time of flight of the electrons is taken into account. The analysis starts with a known current, which in general consists of direct-current value plus a number of alternating-current components. The velocities of the electrons are associated with corresponding current components, and from these velocities the potential differences are computed, so that the final result may be expressed in the form of an impedance. Applications of the general analysis are made to diodes, triodes with negative grid, and to triodes with positive grid and either negative or positive plate which constitute the Barkhausen type of ultra-high-frequency oscillator. A wavelength range extending from infinity down to only a few centimeters is considered, and it is shown that even in the low-frequency range certain slight modifications should be made in our usual analysis of the negative grid triode. Oscillation conditions for positive grid triodes are indicated, and a brief discussion of the general assumptions made in the theory is appended. View full abstract»

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  • Some Aspects of Radio Law

    Publication Year: 1933 , Page(s): 1574 - 1585
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    The Radio Act of 1927 provides a basis for the regulation of interstate radio communication and of transmission of electrical energy without wires. The scope of the Act has been clarified by decisions which have been rendered by the courts in cases which have arisen from time to time since its enactment. This paper describes a number of the cases which have arisen and discusses the theory that radio transmission is interstate commerce within the meaning of the Constitution. Comparison is made from a legal standpoint between radio broadcasting and advertising by billboard. The present tendency to regard the public reception of material broadcast by radio as coming within the terms of the copyright act is discussed. The power of the several states to regulate certain phases of radio under regulations pursuant to their police powers is brought out. It is also shown that the courts do not regard a license to broadcast as granting immunity to a broadcast station from liability for damages for libel published over the station. Few new legal principles seem to be involved but engineers and lawyers should coöperate so that radio law may develop in accordance with fact situations. View full abstract»

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  • Radiation and Induction

    Publication Year: 1933 , Page(s): 1586 - 1589
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    First Page of the Article
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  • Superregenerative Wave Meter for Ultra-Short Waves

    Publication Year: 1933 , Page(s): 1590 - 1592
    Cited by:  Papers (1)
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    In order to determine the wavelength of ultra-short-wave oscillators with insufficient output, a simple generating wavemeter based on superregeneration is developed, and some descriptions are given of its construction, manipulation, and accuracy. View full abstract»

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  • On the Production of Ultra-Short-Wave Oscillations with Cold-Cathode Discharge Tubes

    Publication Year: 1933 , Page(s): 1593 - 1598
    Cited by:  Papers (2)
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    In this paper it is pointed out that the ultra-short-wave oscillation whose wavelength depends on the external circuit can be successfully produced with a cold-cathode discharge tube of special construction by applying a strong magnetic field. The oscillation whose wavelength is below one meter could be obtained by this method. Theoretical discussion of the present oscillation is also given in connection with one of the magnetron oscillations. View full abstract»

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  • A Projector Type Light Flux Generator for Testing Light Sensitive Devices

    Publication Year: 1933 , Page(s): 1599 - 1602
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    A novel light flux generator is described which is capable of giving a sinusoidal light flux for frequencies up to 100,000 cycles or higher per second, for use in the testing of television equipment or other equipment using photo-electric cells. An experimental and calculated curve is shown to verify the accuracy of the apparatus. View full abstract»

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  • A Note on the Simple Two-Element Low-Pass Filter of Two and Three Sections

    Publication Year: 1933 , Page(s): 1603 - 1608
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    An analytical study of the simple two-element low-pass filter of two and three sections is presented. Making certain approximations, applicable to the majority of such structures, the most economical distribution of a given sum total capacity and inductance between the various sections of the filter is determined. The advantage of the third section is shown by obtaining a simple expression for the filtering ratio of the three-section filter in terms of the ratio of the first two sections, taken alone, and the parameters of the last section. View full abstract»

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  • Discussion on "Linearly Tapered Loaded Transmission Lines" (J. W. Arnold and R. C. Taylor)

    Publication Year: 1933 , Page(s): 1609
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  • Radio abstracts and references

    Publication Year: 1933 , Page(s): 1610 - 1618
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  • Contributors to this issue

    Publication Year: 1933 , Page(s): 1619 - 1620
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Aims & Scope

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

Full Aims & Scope