Subclass 1/14: Arrangements for starting electric motors or dynamo-electric converters (starting of synchronous motors with electronic commutators H02P 6/2, H02P 6/22; starting dynamo-electric motors rotating step by step H02P 8/04; vector control H02P 21/00) Details Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter Pressure-sensitive resistors centrifugally operated by the motor