Magnetic material detecting apparatus

Details Magnetic material detecting apparatus Magnetic material detecting apparatus

2006-03-14

2006-03-14

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

Reexamination Certificate

active

07012424

ABSTRACT:
A pair of cores is arranged so that their respective first end portions are opposed to each other across a given gap with a transfer path (M) for the passage of a medium between them. Coils wound individually on the respective first end portions of the cores are connected in series with each other to form a first coil. Coils5aand5bwound individually on second end portions of the cores are connected in series with each other to form a second coil. Coils wound individually on respective intermediate portions of the cores are connected in series with each other to form a third coil. A signal processing circuit is provided for AC-energizing the third coil to process a detection signal from the first coil and a detection signal from the second coil.

REFERENCES:
patent: 09-236642 (1997-09-01), None
patent: 2002-042203 (2002-02-01), None

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