ULTRA-HIGH PRESSURE DISCHARGE LAMP LIGHTING METHOD,...

Ultra-high voltage impulse generator

Ultraviolet fluorescent lamp with unique drive circuit

Ultraviolet lamp system and method for controlling emitted...

Uni-directional light emitting diode drive circuit in pulsed...

Uni-directional light emitting diode drive circuit in pulsed...

Uni-directional light emitting diode drvie circuit in...

Unified 0-10V and DALI dimming interface circuit

Universal ballast control circuit

Universal electronic ballast

Universal electronic ballast for a family of fluorescent lamps

Universal fluorescent lamp ballast

Universal hardware/software feedback control for...

Universal input dimmer interface

Universal input warm-start linear ballast

Universal platform for phase dimming discharge lighting...

Universal power supply for discharge lamps

User interface for a lighting system that allows geometric and c

Using a triangular waveform to synchronize the operation of...