Method and apparatus for controlling the speed of rotation...

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 apparatus for starting a sensorless polyphase DC moto

Method and apparatus to achieve accurate fan tachometer with...

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

Method for calculating speed estimated value in speed control sy

Method for containing or removing contaminants from a substrate

Method for controlling fan speed