Back-lighted control and protection device for multi-lamp LCD
Ballast circuit equipped with ground fault detector
Ballast circuit with lamp removal protection and soft starting
Ballast containing protection circuit for detecting rectificatio
Ballast de-energizing circuit for high pressure metal vapor lamp
Ballast with arc protection circuit
Ballast with lamp abnormal sensor and method therefor
Ballast with load-adaptable fault detection circuit
Battery-powered fluorescent lamp