Device for measuring an electrical parameter through electrically-conductive casing
US6894499B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2001 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Jan 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.