Magnetic sensing device

Details Magnetic sensing device Magnetic sensing device

1975-07-03

1977-01-11

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 2114

Patent

active

040029379

ABSTRACT:
Disclosed is a sensing device for monitoring the rotation of a shaft or other mechanical movements. A magnetic structure is positioned on the shaft for rotation therewith and provides a plurality of discrete magnetic poles about the shaft at uniform spaced apart locations. The magnetic structure is formed of flexible plastic, permanent magnet material cut in a castellated configuration to form a plurality of uniformly spaced apart magnetic pole elements.

REFERENCES:
patent: 2651733 (1953-09-01), Stark
patent: 3273001 (1966-09-01), Baermann
patent: 3571640 (1971-03-01), Watt
patent: 3710158 (1973-01-01), Bachle et al.
patent: 3710291 (1973-01-01), Nicoud
patent: 3849682 (1974-11-01), Binns

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