Controller for Hall effect sensor using cyclically varying power

Details Controller for Hall effect sensor using cyclically varying power Controller for Hall effect sensor using cyclically varying power

1994-06-07

1996-03-26

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetometers

73DIG3, 310DIG3, 3242072, 327511, G01R 3307, G01B 714, F15B 1528, B63H 2500

Patent

active

055023835

ABSTRACT:
A controller for a Hall effect sensor includes a sensor section including a Hall effect sensor with a hysteresis set in the output electric signal characteristic with respect to the magnetic flux density, a power supply section for supplying a source power to the Hall effect sensor, and a signal processor for processing a signal output from the sensor section. The power supply section supplies power with a voltage, which is varied cyclically in a predetermined range and is increased gradually, to the Hall effect sensor.

REFERENCES:
patent: 3661089 (1972-05-01), Soltz
patent: 4097802 (1978-06-01), Mahopac
patent: 4327416 (1982-04-01), Jerrim
patent: 4520311 (1985-05-01), Petr et al.
patent: 4595370 (1986-06-01), Small
patent: 4976639 (1990-12-01), Rawlings et al.
patent: 5264783 (1993-11-01), Vig et al.

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