Patent · US Active

Magnetic field sensor and method for determining and correcting an offset voltage of a magnetic field sensor

US9689931B2 · kind B2 · utility

0Cited by

2References

16Claims

0Family size

Assignees

TDK—Micronas GmbH · DE
Albert-Ludwigs-Universitaet Freiburg · DE

Inventors

Timo Kaufmann · Denzlingen, DE
Patrick Ruther · Karlsruhe, DE
Roiy Raz · Glückstadt, DE
Oliver Paul · Freiburg im Breisgau, DE

Key dates

Filing date	Jul 5, 2012
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Feb 8, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG01R33/077
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A magnetic field sensor having a Hall sensor with a first terminal contact and with a second terminal contact and with a third terminal contact and with a fourth terminal contact and with a fifth terminal contact, whereby a first switch with a control input is provided between the first terminal contact and the fifth terminal contact, and the first switch connects or disconnects the first terminal contact to/from the fifth terminal contact, and a control unit is provided and the control unit is connected to the control input of the first switch.

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