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1887

Electronics & Power

Volume 22, Issue 2, February 1976

Volumes & issues:

Volume 22, Issue 2

February 1976

Focus
MoD promotes use of BS9000
Micro Consultants supplies data loggers for Hinkley Point
Computer Automation to launch BigSim at Automatic Testing '76
Plowden suggests unified CEB
World's largest s.l.c. in Hong Kong
£3.5m Iran contract
Hitachi develops 16 kbit memory
Advance Filmcap opts out of consumer-products market
Union Carbide expands UK capacitor plant
Fairchild launches digital watches
Thick-film survey
Holographic system for credit-card security
Mostek cuts microprocessor prices
Energy—brake or break
Instrument front panels—one solution to the design problem
Power electronics—the affairs of the solid state in the megawatt world
Design responsibilities for large-volume production of motor starters
Fuse technology—progress to date
  • Author(s): P.G. Newbery
  • Source: Electronics & Power, Volume 22, Issue 2, p. 91 –93
  • DOI:  10.1049/ep.1976.0054
  • Type: Article
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  • p. 91 –93 (3)
    Fuses were first introduced in the 1880s and were used for the protection of lighting installations. They were located adjacent to the lamps and were to protect the latter from excess currents caused by source-voltage fluctuations. One of the forerunners of the modern cartridge fuse was patented in 1893 by Mordey. Fuses are still widely used in distribution circuits and for the protection of equipment, and they have evolved to cover a wide range of protection requirements from low-voltage electronic circuits to high-voltage power applications
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Technological development of the h.r.c. fuse
Design and development of relays and contactors
Nearer the brink—trends in overload protection for a.c. motors
Microwaves—a review of recent applications and developments
  • Author(s): L. Young
  • Source: Electronics & Power, Volume 22, Issue 2, p. 106 –112
  • DOI:  10.1049/ep.1976.0058
  • Type: Article
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  • p. 106 –112 (7)
    Microwaves can be defined as the happy hunting ground of microwave engineers. Microwave engineers form a community even when they branch out and make contributions, for example, in optical or acoustic waveguides. Such developments are reported in microwave publications, at least until they separate out or attach themselves to other disciplines. Thus, technology transfer takes place. However, the majority of applications to be reviewed depend on radiation at frequencies in the true microwave range, that is, at frequencies generally around 1000 to 10 000 million cycles per second (1 to 10 GHz)
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Invention of television
Transport and energy efficiency
Reversing the trend
Quaestor
R. & D. emphasis at power-systems conference

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