Speed and torque control for fractional horsepower motors...
Speed control apparatus
Speed control circuit for ac motor
Speed control circuit for an electric motor
Speed control circuit for phase-locked loop motor drive systems
Speed control device for dc motors
Speed control device with independent speed control and...
Speed control for a d-c motor
Speed control for d.c. motors
Speed control for multitap induction motor
Speed control for rotatable element driven by direct current...
Speed control for truck
Speed control means for ac motor
Speed control mechanism for a dc electric motor
Speed control of a d.c. electric motor
Speed control of induction motors with semiconductors and...
Speed control system
Speed control system
Speed control system for a variable speed wind turbine
Speed control system for alternating current induction motors