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公开(公告)号：US20190383885A1
公开(公告)日：2019-12-19
申请号：US16010969
申请日：2018-06-18
Applicant: Allegro MicroSystems, LLC
Inventor： Timothy Sitorus , Eric G. Shoemaker
Abstract: A magnetic field sensor includes a plurality of magnetic field sensing elements configured to generate at least two measured magnetic field signals indicative of a magnetic field affected by an object and having a first predetermined phase difference with respect to each other and a controller responsive to the at least two measured magnetic field signals. The controller is configured to generate at least one virtual magnetic field signal having a second predetermined phase difference with respect to at least one of the measured magnetic field signals. In embodiments, the virtual magnetic field signal has the second predetermined phase difference with respect to each of the at least two measured magnetic field signals.
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公开(公告)号：US10578679B2
公开(公告)日：2020-03-03
申请号：US16010969
申请日：2018-06-18
Applicant: Allegro MicroSystems, LLC
Inventor： Timothy Sitorus , Eric G. Shoemaker
Abstract: A magnetic field sensor includes a plurality of magnetic field sensing elements configured to generate at least two measured magnetic field signals indicative of a magnetic field affected by an object and having a first predetermined phase difference with respect to each other and a controller responsive to the at least two measured magnetic field signals. The controller is configured to generate at least one virtual magnetic field signal having a second predetermined phase difference with respect to at least one of the measured magnetic field signals. In embodiments, the virtual magnetic field signal has the second predetermined phase difference with respect to each of the at least two measured magnetic field signals.
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