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IRE Transactions on Electronic Computers

Issue 4 • Date Dec. 1959

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Displaying Results 1 - 25 of 26
  • [Front cover]

    Publication Year: 1959, Page(s): c1
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  • IRE Professional Group on Electronic Computers

    Publication Year: 1959, Page(s): nil1
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  • [Breaker page]

    Publication Year: 1959, Page(s): nil1
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  • The Chairman's Column

    Publication Year: 1959, Page(s): 431
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  • Transistor Pulse Circuits for 160-MC Clock Rates

    Publication Year: 1959, Page(s):432 - 438
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    This paper consists of two parts. Part I, by Giguere and Jamison, discusses transistor circuits capable of regenerating 6.25-m¿sec pulses at a 160-mc bit rate. Part II, by Noll, discusses techniques for multiplexing 16 digital signals with a 10-mc clock rate into a single signal with a 160-mc clock rate. Two methods of performing the regeneration function are presented. One method consists of dc ... View full abstract»

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  • A Note on the Number of Internal Variable Assignments for Sequential Switching Circuits

    Publication Year: 1959, Page(s):439 - 440
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (393 KB)

    An important step in the synthesis of sequential switching circuits is the assignment of binary variable states to represent internal states of the circuit. A formula is derived here which indicates the number of different assignments which can be made for flow tables having a given number of rows. There are only three essentially different assignments possible for a four-row table, and there are ... View full abstract»

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  • Synthesis of Minimal-State Machines

    Publication Year: 1959, Page(s):441 - 449
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1643 KB)

    A technique is presented which yields a minimal-state machine satisfying a given set of behavioral specifications. The machine is constructed in the same manner as has commonly been done in the past in synthesizing a ``primitive flow table.'' This contribution consists, not in describing a new method of synthesizing machines, but in showing that a particular instance of an established method yield... View full abstract»

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  • Arithmetic Operations for Digital Computers Using a Modified Reflected Binary Code

    Publication Year: 1959, Page(s):449 - 458
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1640 KB)

    The reflected binary or Gray code has been used chiefly in analog-to-digital conversion devices because its code sequences, representing any two consecutive integral numbers, differ in only one digit. This paper presents a method for performing the arithmetic operations of addition, subtraction, multiplication, and division using a modified reflected binary code. The modification for integral numb... View full abstract»

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  • Magnetic Fields of Square-Loop Thin Films of Oblate Spheroidal Geometry

    Publication Year: 1959, Page(s):458 - 464
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1050 KB)

    Thin films of Ni-Fe alloy may be prepared to be anisotropic and exhibit square-loop M-H characteristics. In films that are single-domained with flux changes involving only rotation of intrinsic magnetization controlled by cross-magnetization fields, very fast switching action can be obtained for storage and logic functions. Problems of coupling to the flux changes and interaction in an array of su... View full abstract»

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  • Electrodeposited Twistor and Bit Wire Components

    Publication Year: 1959, Page(s):465 - 469
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2774 KB)

    Electrodeposition of ferromagnetic materials on wire is a suitable way of producing magnetic storage elements. One form of this element, when placed under suitable torsional strain (i.e., as a twistor), has magnetic properties suitable for memory application. Through research into the electrodeposition process, a new device has been developed which requires no external stressing. This device has b... View full abstract»

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  • Nondestructive Readout of Metallic-Tape Computer Cores

    Publication Year: 1959, Page(s):470 - 474
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (979 KB)

    The subject of this investigation is nondestructive readout of metallic-tape memory cores by the application of a magnetomotive force spatially in quadrature to the direction of remanent flux. A simple method of fabrication is proposed and empirical data for the design of the nondestructive read systems is obtained. The use of nondestructive readout is not limited to digital computer circuits and ... View full abstract»

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  • Diode-Steered Magnetic-Core Memory

    Publication Year: 1959, Page(s):474 - 478
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3026 KB)

    This paper describes techniques which take advantage of word arrangement to make possible large, high-speed magnetic-core memories at moderate cost. Economy is obtained by means of a two-coordinate selection system using diffused junction rectifiers as steering diodes. By taking advantage of the relatively slow recovery time of these rectifiers, automatic rewrite selection is obtained in a similar... View full abstract»

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  • The Design of a Large Electrostatic Memory

    Publication Year: 1959, Page(s):479 - 485
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    A large, high-speed random-access memory for the Brookhaven ``Merlin'' digital computer is described. This system employs barrier grid electrostatic storage tubes in a novel configuration yielding improved reliability. Basic design considerations are presented together with a description of circuitry and performance. View full abstract»

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  • Systematic Scaling for Digital Differential Analyzers

    Publication Year: 1959, Page(s):486 - 489
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (736 KB)

    The usefulness of large-capacity digital differential analyzers (DDA's) is severely hampered by the complexity of the scaling process. The scales needed for programming a DDA have to be compatible with the so-called ``equilibrium,'' ``topological,'' and ``boundary'' constraints, imposed by the construction of the analyzer and the nature of the problem at hand. Simultaneous trial-and-error satisfac... View full abstract»

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  • Russian Visit to U. S. Computers

    Publication Year: 1959, Page(s):489 - 497
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3125 KB)

    In April and May, 1959 an exchange of visits by computer experts took place between the U.S. and the U.S.S.R. This article will describe the series of negotiations which led up to this exchange and will also describe the visit of the Russian delegation to America. The visit of the U.S. delegation to Russia will be reported separately in a joint article edited by Willis Ware that will appear in the... View full abstract»

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  • An Accurate Bidirectional Transmission Gate Using Semiconductor Diodes

    Publication Year: 1959, Page(s): 498
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    First Page of the Article
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  • Self-Dual Symmetric Switching Functions with a Certain a-Number Constraint

    Publication Year: 1959, Page(s):498 - 499
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (423 KB)

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  • Combinational Relay Switching Fields

    Publication Year: 1959, Page(s): 499
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  • Contributors

    Publication Year: 1959, Page(s):500 - 502
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  • Reviews of Books and Papers in the Computer Field

    Publication Year: 1959, Page(s):503 - 506
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  • Abstracts of Current Computer Literature

    Publication Year: 1959, Page(s):507 - 520
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  • 1959 Index to Abstracts of Current Computer Literature

    Publication Year: 1959, Page(s):521 - 531
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  • PGEC News and Notices

    Publication Year: 1959, Page(s): 532
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  • SENEWS

    Publication Year: 1959, Page(s):533 - 534
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  • IRE Transactions on Electronic Computers - Index to Volume EC-8, 1959

    Publication Year: 1959, Page(s):1 - 6
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Aims & Scope

This Transactions ceased publication in 1962. The current retitled publication is 

IEEE Transactions on Computers.

Full Aims & Scope