Pulsed excitation and sampled detection fluxgate type magnetometer
US7378843B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2007 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Jan 24, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A magnetic field measuring device, equipped with a fluxgate magnetometer, the device including a magnetic sensor equipped with at least one magnetic core and a plurality of windings, and configured to deliver at least one output signal, pulse generating means for emitting at least one excitation signal at the input of the magnetic sensor, in the form of a succession of excitation pulses, one excitation pulse of the excitation pulses having a duration at least 50 times less than a period of the at least one excitation signal, sampling means for sampling the output signal of the magnetic sensor, and means for, following the emission of at least one excitation pulse of the succession of excitation pulses and during the duration of the at least one excitation pulse, triggering at least one acquisition of the output signal of the magnetic sensor by the sampling means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.