Machine tool and method for operating a machine tool

Mass flow rate control system and method

Method and apparatus for controlling a physical parameter

Method and apparatus for controlling motor

Method and apparatus for controlling single or polyphase a.c. po

Method and apparatus for controlling the speed of a motor

Method and apparatus for DC motor speed control

Method and apparatus for DC motor speed monitoring

Method and apparatus for detecting deviation of motor speed from

Method and apparatus for determining a critical dwell time for u

Method and apparatus for determining and adjusting torque in an

Method and apparatus for generating accurate fan tachometer...

Method and apparatus for producing a speed control voltage for d

Method and arrangement for a high voltage single-stage variable

Method and circuit configuration for controlling a polyphase...

Method and circuit for the automatic control of the speed of a D

Method and control circuit for driving an electric motor of...

Method and device for controlling a heat-dissipating fan for...

Method and device for measuring rotary speed

Method and device for measuring rotary speed