Patent · US Expired

Magnetic field sensor and electrical current sensor therewith

US7622909B2 · kind B2 · utility

9Cited by
13References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 18, 2004
Grant dateNov 24, 2009
Priority date
Expiry dateFeb 18, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R15/185
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A magnetic field sensor comprises a magnetic field sensing cell and a magnetic shield comprising at least two parts separated by an air-gap and surrounding the magnetic field sensing cell positioned in a cavity of the magnetic shield.

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