Demagnetizing circuit using a PTC thermistor device

Details Demagnetizing circuit using a PTC thermistor device Demagnetizing circuit using a PTC thermistor device

1982-04-05

1985-03-12

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

315 8, 361150, H01C 702

Patent

active

045048177

ABSTRACT:
A PTC thermistor device includes three PTC thermistors aligned and disposed in a heat transmission relation to each other such that the center PTC thermistor provides heat to the other PTC thermistors which are so connected as to define a part of path for the demagnetizing current. The two PTC thermistors positioned on the opposite sides of the center PTC thermistor increase their temperature rapidly so that a rapid and effective attenuation of demagnetizing current can be obtained.

REFERENCES:
patent: 3492543 (1970-01-01), Muranaga
patent: 3842188 (1974-10-01), Petersen
patent: 3914727 (1975-10-01), Fabricius
patent: 4024427 (1977-05-01), Belhomme
patent: 4357590 (1982-11-01), Belhomme

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