Rotation detecting device

Details Rotation detecting device Rotation detecting device

1977-12-01

1979-06-05

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310168, H02K 2138

Patent

active

041574826

ABSTRACT:
A compact rotation detecting device in which a rotor providing a set and a reset permanent magnets, a disk providing a plurality of wires having Wiegand effect in the radial direction of the disk, and spiral coils mounted on plural insulating disks are assembled in a housing case in a stack fashion, the spiral coils being automatically connected in series by the assembly, and upon rotation of the rotor pulse frequency proportional to the amount of the rotor's rotation being derived from the series connection of the spiral coils.

REFERENCES:
patent: 3279959 (1966-10-01), Oshima et al.
patent: 3757754 (1973-09-01), Wiegand
patent: 3780313 (1973-12-01), Wiegand
patent: 3818465 (1974-06-01), Wiegand
patent: 3820090 (1974-06-01), Wiegand
patent: 3866193 (1975-02-01), Wiegand
patent: 3892118 (1975-07-01), Wiegand

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