Data delivery track

Data distribution in lighting systems

Decorative lighting control with a waveform generator

Detecting lamp currents and providing feedback for adjusting...

Device and method for adjusting currents of lamp tubes

Device for illuminating the stope support at a longwall face

Device for optimized management of fluorescent lamps

Dimmable lighting apparatus using a discharge lamp

Dimming control system with distributed command processing

Discharge lamp lighting circuit

Discharge lamp lighting system using series connected starters

Dispatch board system

Display bias arrangement

Display circuit

Display device compensating for color irregurality between...

Display device illuminating device and display device...

Distributed ballasting system for sun tanning apparatus

Distributed fluorescent light control system

Distributed lighting control system

Driver apparatus and method