Tubular semiconductor magnetic field sensor and circuits for use

Details Tubular semiconductor magnetic field sensor and circuits for use Tubular semiconductor magnetic field sensor and circuits for use

1983-11-07

1986-07-08

Karlsen, Ernest F.

Electricity: measuring and testing

Magnetic

Magnetometers

307309, 338 32H, G01R 3306, H03K 1790

Patent

active

045995648

ABSTRACT:
A structure employing the Hall effect for indicating the direction of a magnetic field and comprising a two-ended tubular device of a semi-conductive material and a current generating means for creating, in the absence of a magnetic field, a circumferentially uniformly distributed current flowing between the two ends of the tubular device. A plurality of conductive, wire-like elements extend radially through the tubular device toward the axis thereof and in a common plane normal to such axis and with adjacent ones of the wire-like elements being spaced apart equal angular distances. Calculating logic responds to the relative voltages induced in the wire-like elements when the tubular device is placed in a magnetic field to determine the direction of the magnetic field.

REFERENCES:
patent: 3028092 (1963-04-01), Fay
patent: 3194990 (1965-07-01), Kendall
patent: 3266003 (1966-08-01), Nieda
patent: 3304530 (1967-02-01), Honig

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