Volume 8 Issue 8 • Aug. 1971

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  • [Front cover]

    Publication Year: 1971, Page(s): c1
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  • Science/Scope [advertisement]

    Publication Year: 1971, Page(s):nil1 - 1
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  • Table of contents

    Publication Year: 1971, Page(s):2 - 3
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  • [Advertisement]

    Publication Year: 1971, Page(s):4 - 5
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  • IEEE publications operations

    Publication Year: 1971, Page(s): 4
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  • [Breaker page]

    Publication Year: 1971, Page(s): 4
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  • [Advertisement]

    Publication Year: 1971, Page(s): 6
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  • The Institute of Electrical and Electronics Engineers, Inc.

    Publication Year: 1971, Page(s): 6
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  • Inside IEEE

    Publication Year: 1971, Page(s):7 - 8
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  • Forum

    Publication Year: 1971, Page(s):9 - 12
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  • [Advertisement]

    Publication Year: 1971, Page(s):11 - 12
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  • News from Washington

    Publication Year: 1971, Page(s):13 - 14
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  • Spectral lines

    Publication Year: 1971, Page(s): 21
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  • Signal processing in acoustic surface-wave devices

    Publication Year: 1971, Page(s):22 - 35
    Cited by:  Papers (34)  |  Patents (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (10138 KB)

    The Rayleigh surface-wave mode propagates on the surface of suitable elastic solids with velocity independent of frequency at about 10-5 times the speed of light and an attenuation of about 1.5 dB for 104 wavelengths. Thus as a delay line it is far more compact, has much less attenuation, and can be much cheaper than electromagnetic delay lines. Piezoelectric elastic solids permit the launching an... View full abstract»

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  • Engineer salaries

    Publication Year: 1971, Page(s):36 - 40
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  • Long-term continental U.S. timing system via television networks

    Publication Year: 1971, Page(s):41 - 52
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (9302 KB)

    Hundreds of atomic frequency standards and precision crystal oscillators exist in remote locations throughout the continental U.S. that are synchronized through fairly complex and costly means. Today, however, an inexpensive synchronization system is available in the form of live television broadcasts by commercial networks. In precision and accuracy, the television method is comparable to the por... View full abstract»

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  • [Advertisement]

    Publication Year: 1971, Page(s):53 - 56
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  • Automatic word recognition

    Publication Year: 1971, Page(s):57 - 69
    Cited by:  Papers (12)  |  Patents (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (8868 KB)

    Separately spoken individual words can be automatically recognized using a two-dimensional pattern of spectral density versus a nonlinear time base. The pattern for a given word differs from person to person and must be adaptively learned by the machine for each speaker. Simple circuitry is described that learns a word with a single utterance and recognizes it thereafter. The scheme is potentially... View full abstract»

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  • StandardsߞThe evidence of concern

    Publication Year: 1971, Page(s):70 - 73
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1923 KB)

    Some writers have accused engineers of lacking proper concern for the effects of their developments on society and the environment. There are indications that many students hold this same point of view. However, the author of this article contends that such criticisms are unwarranted and offers evidence that, with the exception of the academician, engineers have shown foresight and concern for the... View full abstract»

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  • New product applications

    Publication Year: 1971, Page(s):74 - 79
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  • Applications literature

    Publication Year: 1971, Page(s): 80
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  • Scanning the issues

    Publication Year: 1971, Page(s):81 - 83
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  • Advance tables of contents

    Publication Year: 1971, Page(s):84 - 87
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  • Future special issues

    Publication Year: 1971, Page(s): 87
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  • IEEE Standards

    Publication Year: 1971, Page(s): 88
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