Multistage rotating speed control circuit for DC motor

Noise suppression in PWM-driven DC motor

Noise suppression in PWM-driven DC motor

Optimized determination of the after-run voltage in DC motors

Opto-electrically controlled direct current motor speed control

Parameter-free synthesis of zero-impedance converter

Pickup driving device for disk player

Power supply apparatus, motor drive control method using the...

Power supply for low-voltage DC motor

Power tool and method for controlling a power tool

Precision electric motor speed

Procedure for filtering the speed feedback signal

Programmable dual-phase digital motor control with sliding propo

PSC motor system for use in HVAC applications with field...

Pulse width modulated control method and means

Pulse width modulation control sytem for a motor

Pulse-width modulation motor speed control circuit

PWM driving apparatus

Radiator having a fan in variable rotation speed

Radio controlled model control system with nonlinear trigger-to-