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Proceedings of the IRE

Issue 1 • Jan. 1961

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Displaying Results 1 - 25 of 48
  • Table of contents

    Publication Year: 1961, Page(s): 1
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  • Proceedings of the IRE Contents of Volume 49 - 1961

    Publication Year: 1961, Page(s):2 - 9
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  • Index to authors

    Publication Year: 1961, Page(s):9 - 11
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  • Index to subjects

    Publication Year: 1961, Page(s):11 - 18
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  • Nontechnical index

    Publication Year: 1961, Page(s):18 - 22
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  • Index to book reviews

    Publication Year: 1961, Page(s):23 - 24
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  • Walter R. G. Baker, 1892-1960

    Publication Year: 1961, Page(s): 1
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  • Lloyd V. Berkner, President, 1960

    Publication Year: 1961, Page(s): 2
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  • Poles and Zeros

    Publication Year: 1961, Page(s): 3
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  • The Computer Issue

    Publication Year: 1961, Page(s):4 - 7
    Cited by:  Papers (1)
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  • Steps toward Artificial Intelligence

    Publication Year: 1961, Page(s):8 - 30
    Cited by:  Papers (188)
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    The problems of heuristic programming-of making computers solve really difficult problems-are divided into five main areas: Search, Pattern-Recognition, Learning, Planning, and Induction. A computer can do, in a sense, only what it is told to do. But even when we do not know how to solve a certain problem, we may program a machine (computer) to Search through some large space of solution attempts.... View full abstract»

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  • Self-Organizing Systems-A Review and Commentary

    Publication Year: 1961, Page(s):31 - 48
    Cited by:  Papers (30)
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    The class of self-organizing systems represented by networks which learn to recognize patterns is reviewed from an historical standpoint, and some of the behavioral similarities between such nets and biological nervous systems are discussed. Examples and results of several experimental models for alphanumeric character recognition are presented. The network synthesis problem is then recast in term... View full abstract»

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  • The Simulation of Neural Elements by Electrical Networks Based on Multi-Aperture Magnetic Cores

    Publication Year: 1961, Page(s):49 - 52
    Cited by:  Papers (6)
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    Multilevel storage, gating, controlling threshold-level, and summation are basic functional operations common to several systems for the simulation of neural behavior by electrical networks. It is shown how these may be realized very efficiently in terms of multi-apertured magnetic cores; in a typical example, only two cores of the type described by Crane are required for a circuit with threshold ... View full abstract»

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  • Developments in the Logical Organization of Computer Arithmetic and Control Units

    Publication Year: 1961, Page(s):53 - 66
    Cited by:  Papers (8)
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  • High-Speed Arithmetic in Binary Computers

    Publication Year: 1961, Page(s):67 - 91
    Cited by:  Papers (272)  |  Patents (21)
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    Methods of obtaining high speed in addition, multiplication, and division in parallel binary computers are described and then compared with each other as to efficiency of operation and cost. The transit time of a logical unit is used as a time base in comparing the operating speeds of different methods, and the number of individual logical units required is used in the comparison of costs. The met... View full abstract»

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  • Statistical Analysis of Certain Binary Division Algorithms

    Publication Year: 1961, Page(s):91 - 103
    Cited by:  Papers (27)  |  Patents (1)
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    Nondeterministic extensions of the nonrestoring method of binary division have been described by MacSorley [1]. One extension requires that the magnitudes of the divisor and partial remainders be "normal," i. e., in the range [0.5, 1.0). This leads to a time improvement of more than two relative to conventional nonrestoring methods. Other extensions involve the use of several divisor multiples (or... View full abstract»

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  • Computer Memories: A Survey of the State-of-the-Art

    Publication Year: 1961, Page(s):104 - 127
    Cited by:  Papers (16)
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    Computer memory developments of the last decade, the present state, and efforts for improvements are surveyed. The following topics are included: principles of storage and selection of random-access memories; principles and engineering considerations of current-coincident-driven core memories; magnetic decoding and load-sharing switches; word-organized one-core and two-core-per-bit memories; fast ... View full abstract»

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  • A Computer Subsystem Using Kilomegacycle Subharmonic Oscillators

    Publication Year: 1961, Page(s):128 - 135
    Cited by:  Papers (1)
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    An investigation was made of the problems associated with a high-speed carrier computer, and a computer subsystem was constructed employing subharmonic oscillators driven with a 3.7-kMc sine wave source. The three-phase power source was modulated at a 30-Mc rate so the interval between successive logic operations was 11 nsec. The logic module is a balanced resonant varactor circuit having a pulsed... View full abstract»

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  • A Survey of Tunnel-Diode Digital Techniques

    Publication Year: 1961, Page(s):136 - 146
    Cited by:  Papers (9)
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    The tunnel diode, because of its high switching speed, wide environmental tolerance, and adaptability to digital computing circuits, has attracted much attention in the digital computer field. Efforts have been devoted to its application in both memory and logic circuits. Results have been most promising in high-speed random-access memories and in dynamic logic systems utilizing multiphase clock s... View full abstract»

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  • Calculated Waveforms for Tunnel Diode Locked Pair

    Publication Year: 1961, Page(s):146 - 154
    Cited by:  Papers (3)
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    An introductory analysis of the tunnel diode locked-pair circuit is presented. The characteristics of the tunnel diode, together with the simplicity of the locked-pair circuit, make it a major contender for use as a high speed computer element. High speed and high gain are the main advantages of the locked-pairs; the three-phase power supply and lack of a simple means for logical inversion are its... View full abstract»

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  • Magnetic Film Memory Design

    Publication Year: 1961, Page(s):155 - 164
    Cited by:  Papers (40)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4903 KB)

    Thin magnetic films of permalloy have characteristics ideal for high-speed digital storage. A simple rotational model modified to include the effects of wall switching and dispersion of the preferred direction of magnetization provides a basis for describing properties of engineering interest. A selection system has been chosen which allows great latitude in film uniformity. Production of films wi... View full abstract»

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  • The Development of the Flexible-Disk Magnetic Recorder

    Publication Year: 1961, Page(s):164 - 174
    Cited by:  Papers (11)
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    A brief history of the development of the flexible-disk magnetic recorder is presented. Principles of the aeroelastic behavior of the disk and the results of a mathematical analysis of the equilibrium operating conditions are discussed. Experimental results are given which illustrate the effects of operating parameters on disk dynamics. These results indicate the design considerations necessary to... View full abstract»

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  • Pattern Recognition Using Autocorrelation

    Publication Year: 1961, Page(s):175 - 185
    Cited by:  Papers (26)
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    A class of techniques for character recognition is described. These techniques are characterized by the property that the only parameters of the input which are used are those which are independent of the position of the character; that is, these techniques are registration invariant. In Section I of this paper, we describe the registration invariant mathematical formalism which underlies these te... View full abstract»

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  • Computer Generated Displays

    Publication Year: 1961, Page(s):185 - 195
    Cited by:  Papers (7)
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    Increased use of computer output for decision-making has led to the need for effective computer-generated displays of symbols and lines in various formats. Two key functions involved in display generation are digital-to-image conversion, and image storage for projection. Symbol generation can be performed by use of logical and electron beam devices to create dot patterns, intensity modulated scans... View full abstract»

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  • Digital Data Communication Techniques

    Publication Year: 1961, Page(s):196 - 209
    Cited by:  Papers (4)
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    The majority of digital communications are now carried on the teletypewriter networks. New modulation techniques, higher transmission speeds, and more effective error control schemes are being provided in systems now being introduced in the digital communications area. A considerable body of theoretical work has been completed which provides a base for most of the activity in the field; however, a... View full abstract»

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Aims & Scope

This Periodical ceased production in 1962. The current retitled publication is Proceedings of the IEEE.

Full Aims & Scope