Patent · US Active

Circuits and methods for self-calibrating or self-testing a magnetic field sensor using phase discrimination

US9645220B2 · kind B2 · utility

16Cited by
67References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 2014
Grant dateMay 9, 2017
Priority date
Expiry dateApr 17, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R33/075
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A magnetic field sensor has a reference magnetic field channel and an external magnetic field channel. The magnetic field sensor uses phase discrimination to isolate a reference-magnetic-field signal component from an external magnetic field signal component in the two channels.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.