Patent · US Active

Calibration of a triaxial magnetic field sensor

US8818747B2 · kind B2 · utility

3Cited by

2References

15Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Stefan Weiss · Trostberg, DE
Julian Bartholomeyczik · Reutlingen, DE
Sergej Scheiermann · Eningen unter Achalm, DE

Key dates

Filing date	May 5, 2011
Grant date	Aug 26, 2014
Priority date	—
Expiry date	Feb 12, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01C25/00
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for calibrating a triaxial magnetic field sensor includes steps for determining an offset of recorded measured values of the magnetic field sensor using a superposed signal and for determining the sensitivity of the magnetic field sensor along the first measuring axes. The determination of the sensitivity includes steps for determining the sensitivity of the magnetic field sensor along a first measuring axis and for determining the sensitivity of the magnetic field sensor along the other measuring axes based on the sensitivity of the first measuring axis and the determined offset.

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