Position sensor

Details Position sensor Position sensor

1985-12-23

1987-12-08

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

324208, H01L 4300

Patent

active

047120835

ABSTRACT:
A high-resolution position sensor utilizes a detector having at least one flat magnetic-field-dependent resistor, in stripe form, whose ends are connectable to an output voltage, and a magnetizable device which is moveable relative to the magnetic-field-dependent resistor and has portions transverse to the direction of movement which exhibit alternately different space permeabilities, with the magnetic-field-dependent resistor extending parallel to and at a distance from said portions by the magnetic-field-dependent resistor. The magnetic field dependent resistor displays anisotropy in the longitudinal direction of the stripes. At least in the area of the magnetic-field-dependent resistor the device is magnetized in or opposite the direction of movement.

REFERENCES:
patent: 3716781 (1973-02-01), Almasi et al.
patent: 4361805 (1982-11-01), Narimatsu et al.
patent: 4403187 (1983-09-01), Takahashi et al.

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