Patent
1975-02-06
1976-07-13
Envall, Jr., R. N.
H01F 1300
Patent
active
039696570
ABSTRACT:
An appliance for magnetizing and demagnetizing permanent magnets, incorporating an electrical circuit arrangement consisting essentially of at least one chargeable condenser, a magnetizing and demagnetizing coil, an electronic switch, and wherein a diode is arranged in parallel to the said condenser, and two switch means are provided for optionally connecting the said diode to the one or the other end of the said coil.
REFERENCES:
patent: 3064165 (1962-11-01), Kennedy
patent: 3708726 (1973-01-01), Puvogel
Deutsche Edelstahlwerke Aktiengesellschaft
Envall, Jr. R. N.
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