Magnetic encoder system

Details Magnetic encoder system Magnetic encoder system

1983-06-29

1987-02-24

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

With particular transmitter

324207, G08B 2100, G01P 344

Patent

active

046460888

ABSTRACT:
A magnetic encoder system comprising a rotary disk formed thereon with a succession of discrete magnetic encoding units each of which consists of a pair of opposed magnetic poles (N, S) and extends in alignment with a radial direction of the rotary disk. These magnetic encoding units are formed successively adjacent to the periphery of the disk and have alternating magnetic polarities. A magnetic sensing head is disposed substantially coplanar with the rotary disk and juxtaposed with the periphery of the disk across a small magnetic gap spacing.

REFERENCES:
patent: 3099830 (1963-07-01), Wayman
patent: 3237189 (1966-02-01), Wayman
patent: 3293636 (1966-12-01), Dunne
patent: 3855525 (1974-12-01), Bernin
patent: 4224604 (1980-09-01), Angst
patent: 4257040 (1981-03-01), Shirasaki

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