Patent · US Expired

Device for measuring an electrical parameter through electrically-conductive casing

US6894499B2 · kind B2 · utility

7Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 2001
Grant dateMay 17, 2005
Priority date
Expiry dateJan 26, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V3/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention relates to a device for measuring an electrical parameter through electrically-conductive casing, said device including a current injection electrode (3) and a measurement electrode (7) on one side of the wall of the casing (1). According to the invention, the injection electrode (3) is associated via a first magnetic coupler (4) with a current source (2) and the measurement electrode (7) is associated via a second magnetic coupler (6) with a measurement device (5) situated on the other side of the wall.

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