Synchrotransmission system controlled by Hall effect

Details Synchrotransmission system controlled by Hall effect Synchrotransmission system controlled by Hall effect

1976-06-22

1978-04-11

Schaefer, Robert K.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

318675, 318 85, G05B 1101

Patent

active

040841189

ABSTRACT:
A system for the synhchrotransmission of angular position data between two rotating shafts, using, as the transmitter and receiver, two two-phase Hall effect motors, of which each rotor 2, 52 has a permanent magnet and each stator is formed by two windings 54,54, 73,74, and two Hall effect magnetic sensors 3,4, 23,24, arranged in pairs at a right angle. The electrical signals created by the sensors of the transmitter and the receiver are introduced into comparator circuits 19,29 so as to produce, in the event of angular position differences between the rotors, an error signal which after amplification 40, 41 is applied to the windings 53,54 of the receiver, thus eliminating the position difference by the creation of a torque.

REFERENCES:
patent: 3891902 (1975-06-01), Konrad
patent: 3999108 (1976-12-01), Tanikoshi

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