(under subclass 508) Subject matter in which there are provided a plurality of impedance devices each of which is directly connected in the armature or primary circuit of the motor and in which one of the impedance devices is structurally different, differently controlled or connected than another of the impedances.
SEE OR SEARCH THIS CLASS, SUBCLASS:
504, and the subclasses specified in the Notes thereto, for voltage conversion (e.g., voltage dividers, etc.) in motor
systems.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems,