Method and apparatus for controlling a single-or polyphase...

Method and apparatus for controlling an air conditioner with...

Method and apparatus for controlling electric valve in ac...

Method and apparatus for controlling power drawn from an...

Method and apparatus for controlling single or multiphase...

Method and apparatus for controlling the power factor of an...

Method and apparatus for controlling the real and reactive...

Method and apparatus for determining a corrected monitoring...

Method and apparatus for generating a synchronizing signal...

Method and apparatus for load voltage compensation

Method and apparatus for monitoring and maintaining an...

Method and apparatus for reducing effective electrical power...

Method and apparatus for reducing power dissipation in dc...

Method and apparatus for regulating electrical power...

Method and apparatus for shaping a magnetic field

Method and apparatus for symmetrically modulating a...

Method and apparatus for the static compensation of reactive...

Method and circuitry for controlling current reset...

Method and circuitry for controlling start-up...

Method and device for continuously controlling the phase...