Volume 6 Issue 11 • Nov. 1969

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  • [Front cover]

    Publication Year: 1969, Page(s): c1
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  • [Advertisement]

    Publication Year: 1969, Page(s): nil1
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  • IEEE Spectrum reader service card

    Publication Year: 1969, Page(s):1a - 1b
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  • [Advertisement]

    Publication Year: 1969, Page(s): 1a
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  • [Advertisement]

    Publication Year: 1969, Page(s): 1
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  • Table of contents

    Publication Year: 1969, Page(s):2 - 3
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  • The Institute of Electrical and Electronics Engineers, Inc.

    Publication Year: 1969, Page(s): 4
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  • [Breaker page]

    Publication Year: 1969, Page(s): 4
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  • Maximum Channel Occupancy

    Publication Year: 1969, Page(s): 5
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  • [Advertisement]

    Publication Year: 1969, Page(s):6 - 7
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  • Forum

    Publication Year: 1969, Page(s):8 - 17
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  • [Advertisement]

    Publication Year: 1969, Page(s):11 - 18
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  • Corrections

    Publication Year: 1969, Page(s): 17
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  • News from Washington

    Publication Year: 1969, Page(s):19 - 20
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  • Information about the Society

    Publication Year: 1969, Page(s):21 - 22
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  • [Advertisement]

    Publication Year: 1969, Page(s): 23
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  • Focal points

    Publication Year: 1969, Page(s):24 - 30
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  • [Advertisement]

    Publication Year: 1969, Page(s):25 - 34
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  • Calendar

    Publication Year: 1969, Page(s):35 - 37
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  • [Advertisement]

    Publication Year: 1969, Page(s): 38
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  • Spectral lines

    Publication Year: 1969, Page(s): 39
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  • Information about the Society

    Publication Year: 1969, Page(s): 40
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  • Sixty years of wireless and radio Autobiographical reminiscence by Haraden Pratt

    Publication Year: 1969, Page(s):41 - 47
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  • Ultrasonics in medicine

    Publication Year: 1969, Page(s):48 - 57
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (7454 KB)

    This article describes how a device developed by engineers for engineering applications - the ultrasonic transducer - was slowly converted to medical research and application. Like the X ray, ultrasonics can penetrate the living body, and can be used for studying inner structures, with the advantage that it avoids the hazards of X radiation. The development of appropriate ultrasonic systems, many ... View full abstract»

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  • Fluidicsߞa new control tool

    Publication Year: 1969, Page(s):58 - 68
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (8719 KB)

    Ten years have passed since a team of engineers at Harry Diamond Laboratories had the idea of using fluid-flow phenomenons for control applications, starting a boom in fluidic technology. By creating the fluid amplifier, which amplifies an air signal rather than an electric signal but with otherwise similar characteristics, they started an industry that today has a market volume of several million... View full abstract»

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