Lamp abnormality detecting device and inverter, backlight...

Lamp ballast circuit with cathode preheat function

Lamp ballast with frequency modulated lamp frequency

Lamp ballast with SEPIC converter

Lamp color control for dimmed high intensity discharge lamps

Lamp containing phase-control power controller with analog...

Lamp containing power controller having current limited RMS...

Lamp containing power controller having current limited RMS...

Lamp control circuit having a V-I converter with slopes of diffe

Lamp drive circuit

Lamp drive device of projector

Lamp drive device of projector

Lamp driven voltage transformation and ballasting system

Lamp driver circuit and method for driving a discharge lamp

Lamp driving device having impedance component detecting...

Lamp ignition with automatic compensation for parasitic...

Lamp intensity control apparatus comprising preset means

Lamp lighting controlling apparatus and light emitting...

Lamp overload detection/modulation circuit

Lamp power supply circuit with feedback circuit for dynamically