US Patent 11762043 High resolution magnetic field sensors
Patent 11762043 was granted and assigned to Allegro Microsystems, Llc on September, 2023 by the United States Patent and Trademark Office.
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US Patent 11762043 High resolution magnetic field sensors
Article
Patent abstract
Methods and apparatus for determining and transmitting speed and/or direction information for a rotating target by a magnetic field sensor. A reference channel signal is generated for a target from at least one magnetic field sensing element and a virtual channel signal in quadrature with the reference channel signal is generated. A tangent signal is generated. A slope of an arctangent of the tangent signal is determined, wherein the slope corresponds to rotational speed of the target. The speed and/or direction of the target can be transmitted by a sensor IC.
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Patent Number
Patent Inventor Names
Zachary Richards
Date of Patent
September 19, 2023
Patent Application Number
17653240
Date Filed
March 2, 2022
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