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Electrical Engineering

Issue 4 • April 1961

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  • [Front cover]

    Publication Year: 1961, Page(s): c1
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  • [Advertisement - Front inside cover]

    Publication Year: 1961, Page(s): c2
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  • Contents

    Publication Year: 1961, Page(s): 1
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  • [Advertisement]

    Publication Year: 1961, Page(s): 2A
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  • Contents

    Publication Year: 1961, Page(s): 1
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  • [Advertisement]

    Publication Year: 1961, Page(s): 4A
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  • The challenges to engineering in the 1960's

    Publication Year: 1961, Page(s):243 - 247
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    Among the major challenges to the engineer in the next decade are increased emphasis on research and development, greater automation and mechanization of our manufacturing and administrative processes, and establishment of more manufacturing and service facilities abroad. View full abstract»

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  • The optical maser

    Publication Year: 1961, Page(s):248 - 251
    Cited by:  Papers (1)
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    A brief description is presented of a solid-state device, a ruby maser, that utilizes the principles of microwave amplification by stimulated emission of radiation (maser). Experiments under way point to a new medium of communication in which a beam of light is used to transmit vast amounts of information from one point to another. View full abstract»

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  • Harold S. Osborne: 1960 Edison medalist: History of the medal

    Publication Year: 1961, Page(s): 252
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    THE DAY was October 21, 1879. A fragment of carbonized cotton thread in a small globe began to glow and a giant new industry was born. The man responsible was Thomas Alva Edison. View full abstract»

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  • Career of the medalist

    Publication Year: 1961, Page(s):252 - 254
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    THOSE OF YOU who know our medalist will not envy me my assignment. To compress even the highlights of Harold Osborne's career in a 10-minute span might just possibly be within the capacity of the very latest high-speed data processors. Certainly it is beyond mine. View full abstract»

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  • Response of the Medalist

    Publication Year: 1961, Page(s):254 - 256
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    IN RECEIVING this outstanding honor I have a feeling of great pride and also of humility. This is a natural reaction to having one's name associated in this way with the great name of Edison, and with the long list of very distinguished men to whom heretofore the Edison Medal has been awarded. Mr. N. S. Hibshman's letter telling of this award reached me when I was nearly as far from New York as on... View full abstract»

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  • Mervin J. Kelly: 1960 Mervin J. Kelly medalist

    Publication Year: 1961, Page(s):257 - 260
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    By agreement between the Bell Telephone Laboratories and AIEE, the Mervin J. Kelly Award — a bronze medal, a certificate, and $1,000 — may be made each year to an individual or group of individuals for outstanding contributions to the “advancement of the art of telecommunications.” View full abstract»

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  • The effect of contact synchronization on A-C interruption

    Publication Year: 1961, Page(s):261 - 264
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    An investigation has been conducted to determine the dependence of interrupting performance of a-c circuit breakers upon the timing of contact separation. Test procedures, circuits, and results are described in this article. View full abstract»

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  • Tunnel diode applications

    Publication Year: 1961, Page(s):265 - 271
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    Tunnel diodes may be used to amplify, switch, or generate oscillations and can be combined with transistors to take advantage of favorable features of both devices. The tunnel diodes' basic circuit simplicity, high-speed operation, and various methods of combining them with transistors are illustrated and described. View full abstract»

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  • The changing electrical engineering environment

    Publication Year: 1961, Page(s):271 - 273
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    The fast-changing technical environment requires not only more engineers but a reorientation of curricula upon a strong base of mathematics and physics, greater volume of technical digests and abstracts to cope with the rising volume of technical literature, and increased inter-society co-operation to accommodate the dissolution of the boundaries compartmenting the electrical engineering field. View full abstract»

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  • An engineer tackles some human relations problems

    Publication Year: 1961, Page(s):274 - 277
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    Although the engineer has been very successful in harnessing the physical forces of nature, he has often failed to pay adequate attention to some of the mental forces that may threaten to destroy the world. In this article, some of the research which has been done in the important field of human relations is described. View full abstract»

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  • Servo compensation based on root locus approach

    Publication Year: 1961, Page(s): 278
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    USING a few simple rules, it is possible to design a compensator which will provide a feedback control system with a pair of complex conjugate roots of a preselected value. This can be done while simultaneously maintaining any specified value of gain (Kp, Kv, Ka, etc). View full abstract»

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  • A regulator for aircraft D-C generators

    Publication Year: 1961, Page(s): 279
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (819 KB)

    IN ORDER to self-excite and regulate a d-c generator, a device is needed which can vary the current supplied to the shunt field of the machine so that regulated voltage results over a wide range of speed and load. In addition, it must provide some means of load sharing when one generator and its regulator are paralleled with one or more identical systems. In 71 C ambient, this can be accomplished ... View full abstract»

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  • Current asymmetry in resistance-reactance circuits

    Publication Year: 1961, Page(s): 280
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (469 KB)

    THE DUTY on electrical protective devices, among other factors, is determined by the extent of current asymmetry, which is a function of the circuit short-circuit ratio and the instantaneous value of voltage at which switching occurs. Asymmetrical current consists of symmetrical alternating current and unidirectional current. Depending on the current time constant, expressed either by the short-ci... View full abstract»

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  • Transient behavior of an Aluminum pot-line

    Publication Year: 1961, Page(s): 281
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (577 KB)

    OVER A PERIOD of several years a number of transformers and induction regulators supplying energy to aluminum pot-lines and similar installations have been damaged by insulation failures, apparently resulting from abnormal overvoltages. The transformers used for these applications generally step down from 13.8 kv to a secondary voltage in the range 600 to 900 volts. A basic impulse level of at lea... View full abstract»

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  • New Horizons to be theme of AIEE North Eastern district meeting

    Publication Year: 1961, Page(s):282 - 284
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  • AIEE future meetings

    Publication Year: 1961, Page(s):285 - 287
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  • 76 Technical papers are listed for AIEE Great Lakes district meeting

    Publication Year: 1961, Page(s):287 - 291
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  • Attendance exceeds 4,500 persons at Winter general meeting in New York

    Publication Year: 1961, Page(s):292 - 295
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  • AIEE board of directors reports on current business and long-range policy

    Publication Year: 1961, Page(s):295 - 296
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Aims & Scope

This Periodical ceased publication in 1963. The current retitled publication is IEEE Spectrum.

Full Aims & Scope