Good vibrations

Sell, Christopher
March 2005
Engineer (00137758);3/29/2005, Vol. 293 Issue 7671, p33
The article reports Southampton-based Innos has developed a wireless micromechanical device that harvests kinetic energy from natural movement in the environment and converts it into usable electrical energy. The system uses a simple cantilever device, fixed at one end with a weight at the other. A range of external environmental factors will cause the beam of this cantilever to vibrate. A series of magnets attached to the beam move past a coil and generate a few hundred microwatts of power, a sufficient enough charge, according to Innos, to power sensors, microprocessors or transmitters. INSET: AUSTRALIA MOVES TOWARDS KINETIC POWER.


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