Method for driving an electric motor

Protective circuit for protection of an appliance, in particular an electric motor, against thermal overloading

System for monitoring load and angle for mobile lift device

Methods and system for motor drive information capture

System for monitoring load and angle for mobile lift device

System and method for measuring winch line pull

Movable barrier operator

Optimal fan presence detection

Method, apparatus and article for motor control voltage dropout detection

DC motor rotation information detecting device

Movable barrier operator

Method for controlling and regulating the operation of an actuator

Motor speed detecting device for use between motor and system

Electrical connection plug for remote monitoring of high voltage motors

Brushless and sensorless DC motor control system with locked and stopped rotor detection