Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02P
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
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5/00
Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
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H02P5/46
for speed regulation of two or more dynamo-electric motors in relation to one another
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H02P5/52
additionally providing control of relative angular displacement
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H02P5/56
Speed and position comparison between the motors by electrical means
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