Apparatus for measuring the intensity and direction of external

Details Apparatus for measuring the intensity and direction of external Apparatus for measuring the intensity and direction of external

1978-09-21

1980-08-19

Rolinec, Rudolph V.

Electricity: measuring and testing

Magnetic

Magnetometers

G01R 3302

Patent

active

042186528

ABSTRACT:
A device for measuring the intensity and direction of external magnetic fields comprising a differential ferroprobe, a recording unit and a unit for feeding field windings of the ferroprobe, the latter unit including a thyristor, a capacitor one terminal of which is connected to one terminal of a power source and to one lead of the field windings, the other terminal of the capacitor being connected to a cathode of the thyristor and an anode of a diode whose cathode is connected to the other terminal of the power source and a control electrode of the thyristor, the anode of the thyristor being connected to the other lead of the field windings.

REFERENCES:
patent: 2379716 (1945-07-01), Hall
patent: 3330996 (1967-07-01), Myers
patent: 3439264 (1969-04-01), Schonstedt
patent: 3541432 (1970-11-01), Scarbrough
patent: 3699426 (1972-10-01), Bauman
Groves, J. R.; A Pulsed Earth's Field Magnetometer; Proc. of IREE (Australia); Oct. 1971; pp. 377-378.
G. E. Transistor Manual; Gen. Elec. Co., 1964; Light Weight Ed.; p. 434.

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