Magnetic-resistor sensor and a magnetic encoder using such a sen

Details Magnetic-resistor sensor and a magnetic encoder using such a sen Magnetic-resistor sensor and a magnetic encoder using such a sen

1989-03-15

1990-09-04

Reinhart, Mark J.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

H01L 4300

Patent

active

049548034

ABSTRACT:
A magnetic-resistor sensor is provided with two or more comb-like patterns of different pitches formed on a single base plate and each comb-like pattern is adapted for use in combination with a magnetic scale of a corresponding information pitch so that one magnetic-resistor sensor could span magnetic scales of different information pitches. Such a universal magnetic-resistor sensor is used for a magnetic encoder having a magnetic scale in which a magnetic information pattern and a reference position pattern are formed in the same single track, thereby conserving space on the magnetic scale.

REFERENCES:
patent: 4184631 (1980-01-01), Lazzari
patent: 4418372 (1983-11-01), Hayashida et al.
patent: 4639807 (1987-01-01), Sekizawa et al.
patent: 4649447 (1987-03-01), Huang et al.

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