Faraday current sensor with fiber optic compensated by temperature, degradation, and linearity
US4613811A · kind A · utility
26Cited by
3References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 4, 1984 |
| Grant date | Sep 23, 1986 |
| Priority date | — |
| Expiry date | Sep 4, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R15/246
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A magneto-optical current sensor for measuring current flowing through a conductor, characterized by at least two components. One component is parallel to the direction of current flow and is proximate to a source of magnetic field. The other component is perpendicular to that direction and includes a surface in contact with said one component. One of the components having a reflective surface for reflecting a polarized light beam between components whereby a light signal is produced that is compensated for temperature, loop degradation, and linearity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.