Method and apparatus for conserving energy

Method and apparatus for controlling an oscillating circuit of a

Method and apparatus for controlling driving current of...

Method and apparatus for controlling driving current of...

Method and apparatus for controlling driving current of...

Method and apparatus for controlling driving current of...

Method and apparatus for controlling lighting based on user...

Method and apparatus for controlling lighting based on user...

Method and apparatus for controlling lights

Method and apparatus for controlling lights and other devices

Method and apparatus for controlling minimum brightness of a...

Method and apparatus for controlling the power of a high-pressur

Method and apparatus for controlling two independent visual...

Method and apparatus for controlling visual enhancement of...

Method and apparatus for detecting remaining lamp lifetime

Method and apparatus for determining power frequencies that...

Method and apparatus for direct current pulsed ionization lighti

Method and apparatus for distinguishing input signals and genera

Method and apparatus for driving a discharge lamp with...

Method and apparatus for driving a gas discharge lamp