Pulsed excitation and sampled detection fluxgate type...

Details Pulsed excitation and sampled detection fluxgate type... Pulsed excitation and sampled detection fluxgate type...

2008-05-27

2008-05-27

Assouad, Patrick (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S244000

Reexamination Certificate

active

07378843

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.

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Pavel Ripka, et al., “Pulse Excitation of the Micro-fluxgate Sensors”, Oct. 12, 2000, pp. 1-5.

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