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IEEE Spectrum

Issue 5 • Date May 1990

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Displaying Results 1 - 5 of 5
  • New pay phones hit the street

    Publication Year: 1990, Page(s):28 - 31
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    The sweeping change in public telephony that is resulting from a 1984 Federal Communications Commission (FCC) decision to open the US pay telephone market to competition is examined. Consumers are already confronted with a variety of telephone sets, services, operators, and, perhaps most important, rates. Soon equipment made by many different manufacturers will let users send voice, data, and facs... View full abstract»

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  • Magnetic megabits

    Publication Year: 1990, Page(s):32 - 33
    Cited by:  Papers (19)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (857 KB)

    Improvements in recording densities that are allowing magnetic storage to pack more data than its optical counterparts are examined. The technologies that have driven the advances are discussed. They consist of highly sensitive magnetoresistive heads, ultra-low-noise magnetic media, and advanced signal detection techniques. Disk and tape performances are compared.<> View full abstract»

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  • Metropolitan-area networks

    Publication Year: 1990, Page(s):40 - 42
    Cited by:  Papers (3)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (330 KB)

    Metropolitan-area networks (MAN), which fill the gap between local area networks (LANs) and wide-area networks (WANs), are discussed. MANs were originally oriented toward data, but now often carry voice and video traffic as well. Supplying more bandwidth than LANs, they support two-way communication over a shared medium such as an optical-fiber cable, and may offer point-to-point high-speed circui... View full abstract»

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  • Shoreham in repose

    Publication Year: 1990, Page(s):46 - 48
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (737 KB)

    A pictorial presentation is given of the Shoreham nuclear power station in Wading River, NY, which is in the process of shutting down before it ever started to operate. The controversy over the plant and its cloudy future are briefly discussed.<> View full abstract»

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  • Friendly adversaries help US companies

    Publication Year: 1990, Page(s):50 - 51
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (399 KB)

    The support given to the US electronics industry by the two leading US electronics trade associations, the Electronics Industries Association (EIA) and the American Electronics Association (AEA), is discussed. The history of the organizations is briefly sketched, and their distinguishing features are described. Major EIA ana AEA accomplishments during the last ten years are highlighted. Their invo... View full abstract»

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