News tagged with magnetic field sensor

3-D Magnetic field measurement

Magnetic field sensors are a contact- and wear-free means of measuring the position of machine parts and products. A new generation of Hall sensors is now making the process even more precise and free of interference.

dateJun 11, 2013 in Engineering
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Wireless window sentinel

Window contacts tell users if a window is open or closed. Typically, such sensors are wire-based. Scientists working with industry partners recently developed a new system that operates without wires or batteries. It draws ...

dateSep 05, 2012 in Engineering
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An unlikely route to ferroelectricity

( -- Ferroelectricity, which was first observed in the 1940s, is an interesting phenomenon involving the spontaneous (non-induced) formation of charge polarization (separation of charge) in certain materials. This ...

dateMay 18, 2012 in Condensed Matter
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