Lamp ballast for circuit driving multiple parallel lamps

Lamp ballast for circuit driving multiple parallel lamps

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 control system

Lamp current control circuit

Lamp current control using profile synthesizer

Lamp dimmer circuit utilizing opto-isolators

Lamp dimming system and methods

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 driver circuit using resonant circuit for starting lamp