Current and magnetic field sensors, control method and...

Electricity: measuring and testing – Magnetic – Magnetometers

Reexamination Certificate

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C324S11700H, C335S297000

Reexamination Certificate

active

08076931

ABSTRACT:
The invention relates to a magnetic field sensor comprising at least one magnetic core (10) in which the magnetic cycle of the magnetic core is characterised in that the absolute value of the third derivative of the magnetic flux density in relation to the magnetic field is maximum for a zero magnetic field.

REFERENCES:
patent: 6670809 (2003-12-01), Edelstein et al.
patent: 2005/0225322 (2005-10-01), Muller et al.
patent: 2687478 (1993-08-01), None
Afanas'Ev Y V, “On the theory of flux gates with output at fundamental frequncy”, Mar. 1999, vol. 42, No. 3, pp. 283-292.

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