Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means
Patent
1996-08-16
1998-11-03
Ballato, Josie
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With coupling means
324117R, G01R 3300
Patent
active
058314261
ABSTRACT:
A current determiner having an output at which representations of input currents are provided having an input conductor for the input current and a current sensor supported on a substrate electrically isolated from one another but with the sensor positioned in the magnetic fields arising about the input conductor due to any input currents. The sensor extends along the substrate in a direction primarily perpendicular to the extent of the input conductor and is formed of at least a pair of thin-film ferromagnetic layers separated by a non-magnetic conductive layer. The sensor can be electrically connected to a electronic circuitry formed in the substrate including a nonlinearity adaptation circuit to provide representations of the input currents of increased accuracy despite nonlinearities in the current sensor, and can include further current sensors in bridge circuits.
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Black, Jr. William C.
Hermann Theodore M.
Ballato Josie
Nonvolatile Electronics Incorporated
Phung Anh
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