Rotary magnetic sensor

Details Rotary magnetic sensor Rotary magnetic sensor

1980-02-19

1982-06-08

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 44, H02K 122

Patent

active

043341667

ABSTRACT:
A rotary magnetic sensor for generating electrical signals corresponding to rotation of a shaft, which comprises a rotary disk or drum made of non-magnetic material, a magnet installed in the center of said disk or drum, a magnetic film applied on the disk or drum and connected to said magnet, a magnetic-film pattern formed in said magnetic film in which magnetic flux distribution is varied in the rotating direction of said rotary disk or drum, and a magnetic sensitive means disposed in the proximity of said magnetic-film pattern whereby electrical signals are generated in accordance with the rotation of said disk or drum.

REFERENCES:
patent: 3056058 (1962-09-01), Henry-Baudot
patent: 3668585 (1972-06-01), Johnson

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