Method and apparatus for interfacing a light dimming control wit

Method and apparatus for lighting high pressure discharge...

Method and apparatus for modulating HID ballast operating...

Method and apparatus for operating at least one gas discharge la

Method and apparatus for optimizing power efficiency in...

Method and apparatus for power control

Method and apparatus for powering fluorescent lighting

Method and apparatus for reduced discharge lamp driver test time

Method and apparatus for retrofitting gas discharge lamp...

Method and apparatus for retrofitting HID lamps with system...

Method and apparatus for saving energy

Method and apparatus for sensing the color point of an RGB...

Method and apparatus for supplying power to a source of...

Method and apparatus for variable current control of a negative

Method and apparatus of an improved electronics ballast circuit

Method and apparatus to improve the color rendering of a...

Method and arrangement for monitoring a gas discharge lamp

Method and ballast for starting a discharge lamp

Method and circuit arrangement for operating a discharge lamp

Method and circuit arrangement for operating a discharge lamp