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
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Key dates
| Filing date | Apr 17, 2014 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Apr 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.