Parameter-free synthesis of zero-impedance converter

Permanent magnet direct current motor

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

Power window switch which incorporates express up/down and windo

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 modulator

Pulse width modulator

Pulse-width modulation motor speed control circuit

PWM driving apparatus