Multi-voltage motor and timer clock
Multiphase load control system with switch connected split sourc
Multiphase pulse width modulator for a multiphase motor
Multiple speed control means for a variable speed motor system
Multiple speed induction motor
Multiple speed single phase motor
Multiple speed split-phase induction motor
Offset PWM signals for multiphase motor
On-site electric motor start-up diagnostic tool
On-site electric motor start-up diagnostic tool
One switch multi-phase modulator
Open loop motor control with both voltage and current regulation
Operating circuit including an oscillating circuit capacitor cou
Operation control apparatus for AC motors
Operation control apparatus for escalator
Operation control circuit for pump motor
Optimal power supply for an electric motor
Optimum efficiency control system
Origin offset calculation method of rotational position...
Overcurrent protection device