IEE Review
Volume 51, Issue 11, November 2005
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Volume 51, Issue 11
November 2005
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- Source: IEE Review, Volume 51, Issue 11, page: 2 –2
- DOI: 10.1049/ir:20051107
- Type: Article
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- Source: IEE Review, Volume 51, Issue 11, p. 4 –5
- DOI: 10.1049/ir:20051108
- Type: Article
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- Source: IEE Review, Volume 51, Issue 11, page: 6 –6
- DOI: 10.1049/ir:20051109
- Type: Article
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- Source: IEE Review, Volume 51, Issue 11, page: 8 –8
- DOI: 10.1049/ir:20051110
- Type: Article
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(9 pages) - Source: IEE Review, Volume 51, Issue 11, p. 22 –23
- DOI: 10.1049/ir:20051111
- Type: Article
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- Author(s): L. Wiegler
- Source: IEE Review, Volume 51, Issue 11, p. 24 –25
- DOI: 10.1049/ir:20051101
- Type: Article
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This article looks at the efforts of thousands of engineers who have been working to restore electricity supplies to New Orleans in the wake of Hurricane Katrina, and the difficulties faced when two of the city's levees breached and water submerged the region. - Author(s): K. Sangani
- Source: IEE Review, Volume 51, Issue 11, p. 26 –27
- DOI: 10.1049/ir:20051102
- Type: Article
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Major players in the telecoms sector are looking to cash in on the possibility of making phone calls over the Internet. However, in the feeding frenzy to capture a share in burgeoning Voice over IP market, this article asks if the incumbent operators in the telecoms industry will lose out. - Author(s): S. Bains
- Source: IEE Review, Volume 51, Issue 11, p. 30 –33
- DOI: 10.1049/ir:20051103
- Type: Article
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Advanced optics promise to transform the sometimes shaky business of fingerprint-based biometrics by overcoming various spoofing techniques. If two US-based companies, Lumidigm and Aprilis, have anything to do with it, the biometric community will find its answers in better optoelectronic design. What is surprising, is that this may involve extending the optical system beyond the detector to the actual fingerprint database and recognition system. - Author(s): C. Edwards
- Source: IEE Review, Volume 51, Issue 11, p. 34 –37
- DOI: 10.1049/ir:20051104
- Type: Article
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Like it or not, biometric passports are the future. Across the world, governments are switching to biometric passports, and over the next year, close to 30 countries will begin the job of inserting electronic chips into the passports of their citizens.; however, their citizens may not be entirely happy with the results. This article looks at the stringent e-passport demands to come. - Author(s): L. Collins
- Source: IEE Review, Volume 51, Issue 11, p. 38 –40
- DOI: 10.1049/ir:20051105
- Type: Article
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Using ears as the basis for a biometric is a novel idea, but then ears have some novel features. They are normally found in the same place, on either side of the head, no matter who you are looking at. Many forms of biometrics are troubled by the ravages of time. The ear, however, has a rich and stable structure, although they may get bigger as the underlying cartilage grows, and is not affected by changes in facial expression. It is big, compared to a retina, iris or thumbprint, so it is easier to photograph. Its position on the side of the head makes the background predictable (hair or no hair), making distinguishing 'ear' from 'not ear' simpler. The fact that it is possible to create biometric data from a picture of an ear makes gathering that data more hygienic and less stressful than taking iris scans or fingerprints. These are some of the reasons why researchers at the University of Southampton have been investigating using ears to identify people uniquely over the long term. As with other forms of biometrics, simple images of an ear are not enough to identify one from another uniquely and reliably. Variations of the size and position of the ear within an image and of lighting conditions make direct comparisons unreliable. Instead, it is necessary to extract properties of the image that do not vary with these changes. The article examines the techniques used. - Author(s): J. Walko
- Source: IEE Review, Volume 51, Issue 11, p. 42 –45
- DOI: 10.1049/ir:20051106
- Type: Article
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Flash has been the dominant process for non-volatile storage for two decades, and remains a healthy business, with versions used in many portable electronic products. However, even its strongest proponents agree it is likely to run out of steam as cell scaling becomes harder with smaller geometries. As flash starts to hit the scaling wall, Stanford Ovshinsky's phase-change memories are staking their claim to be the next-generation non-volatile memory technology. Recent announcements of advances with phase-change materials and memory cell structures suggest that memories based on these materials may be the ones to watch and beat. Phase-change materials change their physical properties depending on whether they are in their amorphous or crystalline phase. In phase-change solid-state memory cells, the phase-change materials are deposited as an ultra-thin film on the the surface of a silicon chip, and an electric current is used to effect the switch between phases and to detect the phase change via an electrical resistance measurement. The materials and memory cells are sometimes referred to as ovonic memories, in recognition of Ovshinsky's pioneering role. The basic phase change material used in ovonic memory is an alloy of germanium, antimony and tellurium (GeSbTe). The article discusses the prospects of ovonic memories. - Source: IEE Review, Volume 51, Issue 11, p. 46 –47
- DOI: 10.1049/ir:20051112
- Type: Article
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- Author(s): S. Weinzierl
- Source: IEE Review, Volume 51, Issue 11, page: 49 –49
- DOI: 10.1049/ir:20051113
- Type: Article
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Semiconductor companies racing to keep on the Moore's Law curve can learn a lot from the past, says the author. - Source: IEE Review, Volume 51, Issue 11, page: 50 –50
- DOI: 10.1049/ir:20051114
- Type: Article
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Wartime radar expert whose foresight laid the foundations for the University of Edinburgh's status as a centre for microelectronics research. - Source: IEE Review, Volume 51, Issue 11, p. 63 –64
- DOI: 10.1049/ir:20051115
- Type: Article
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Editor's comment
New Institution update
Feedback
News
Asia news
The challenge for those in power [electricity supply restoration]
Broadband telephony finds its voice
You need hands [fingerprint-based biometrics]
Borderlands of confusion [biometric passports]
Earmarked [biometrics]
Ovshinsky's memories
Gadgets
Viewpoint: Back to the future
Obituary: Ewart Farvis
Events
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