Coupled fluxgate magnetometers for DC and time-varying target magnetic field detection
US7898250B2 · kind B2 · utility
4Cited by
11References
17Claims
0Family size
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Key dates
| Filing date | Sep 21, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Dec 31, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for sensing and processing a magnetic flux signal comprising: an odd number of at least three fluxgate modules, a summer, and a processor. Each fluxgate module is configured to generate a module response signal upon receiving the magnetic flux signal. The fluxgate modules are circularly coupled to each other such that only one-way signal flow is allowed between them. The summer is configured to sum the response signals from each fluxgate module into a summed signal. The processor is configured to receive and process the summed signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.