Method and apparatus for electronically commuting an electric mo

Method and apparatus for increasing AC motor torque output...

Method and apparatus for predicting failure of a disk drive

Method and apparatus for predicting failure of a disk drive

Method and apparatus for preventing excessive current flow in a

Method and apparatus for providing torque limit feedback in...

Method and apparatus for providing torque limit feedback in...

Method and apparatus for sensing a ground fault in a motor contr

Method and apparatus for sensing load current in a motor control

Method and apparatus for sensorless operation of brushless perma

Method and apparatus for the protection of D.C. motors under sta

Method and apparatus for time-based dc motor commutation

Method and apparatus for using back EMF to control a motor

Method and apparatus to compensate for resistance variations...

Method and arrangement for controlling a current

Method and arrangement for protecting a frequency converter

Method and circuit arrangement for monitoring the operating...

Method and circuit arrangement for operating an electric motor

Method and circuit arrangement for switching on a power...

Method and device for controlling a brushless electric motor