Circuits and methods for processing signals generated by a plurality of magnetic field sensing elements

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United States of America Patent

PATENT NO 9285438
APP PUB NO 20130080087A1
SERIAL NO

13247139

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Abstract

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Circuits and methods provide an ability to track a direction of a magnetic field, and, more particular, to track a direction of a rapidly rotating magnetic field. The circuits and methods use a plurality of magnetic field sensing elements, for example, as may be embodied in a circular vertical Hall (CVH) sensing element. However, the circuits and methods can track the direction of the sensed magnetic field by processing at any time fewer than all of the plurality of magnetic field sensing elements, for example, one or two of the plurality of magnetic field sensing elements.

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Patent Owner(s)

Patent OwnerAddress
ALLEGRO MICROSYSTEMS LLC955 PERIMETER ROAD MANCHESTER NH 03103-3353

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cadugan, Bryan Bedford, US 50 566
Donovan, Mark J Derry, US 46 1064

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