Pure torque, limited displacement transducer

Details Pure torque, limited displacement transducer Pure torque, limited displacement transducer

1982-11-16

1984-12-25

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Oscillating

310156, 310268, 360 78, 360106, H02K 3300, G11B 2108

Patent

active

044906358

ABSTRACT:
A bidirectional, pure torque generating electromechanical rotor mounted to a frame includes flux return top and base plates, a generally annular permanent magnet secured to one of the plates and a generally annular rotatable coil assembly placed between the permanent magnet and the other of the plates.

REFERENCES:
patent: 3993920 (1976-11-01), Sato
patent: 4024552 (1977-05-01), Kondo
patent: 4203048 (1980-05-01), Sato
patent: 4315178 (1982-02-01), Ban
patent: 4318145 (1982-03-01), Frandsen
patent: 4329604 (1982-05-01), Dunstan et al.
patent: 4361776 (1982-11-01), Hayashi
patent: 4396959 (1983-08-01), Harrison et al.
patent: 4408858 (1983-10-01), Lee
patent: 4418370 (1983-11-01), Harrison
Morgenthaler, M. P. and Weber, Lynn, "Servo-Controlled Beam Director Provides Major Benefits", Hewlett-Packard Journal, Feb. 1980, pp. 24-28.
Stickel, "New 50-Megabyte Disc Drive: High Performance and Reliability from High Technology Design", Hewlett-Packard Journal, Aug. 1977, pp. 2-15.

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