Process for adjusting the magnetic field strength of permanent m

Electricity: measuring and testing – Magnetic – Permanent magnet testing

Patent

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Details

361147, 335284, G01N 2774, G01R 3312, H01H 4700, H01F 720

Patent

active

047822937

ABSTRACT:
A description is given of a pulse device for zeroing a permanent magnet to any desired operating point on its demagnetization curve, in which the strength of the demagnetizing pulse is automatically determined from the ratio between the operating point reached and the desired operating point.

REFERENCES:
patent: 4104591 (1978-08-01), Reuting
patent: 4156191 (1979-05-01), Knight et al.

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