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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2203/00
Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
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H02P2203/09
Motor speed determination based on the current and/or voltage without using a tachogenerator or a physical encoder
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