Safety control circuit for detecting the removal of lamps from a

Scheme for sampling lamp conditions during ignition and...

SCR lamp supply

Selective illumination

Self-ballasted fluorescent lamp and lighting apparatus

Self-heating type cold-cathode discharge tube control apparatus

Self-regulating, no load protected electronic ballast system

Sensing voltage for fluorescent lamp protection

Sequential burst mode activation circuit

Sequential burst mode activation circuit

Sequential burst mode activation circuit

Sequential feedback control system for an electronic ballast

Shorted lamp detection in backlight system

Shutdown circuit

Signal generating circuit for ballast control of discharge lamps

Simplified topology for HID lamps

Sinewave dimmer control method

Single-wired switching circuit directed to limit surge into lamp

Smoothing circuit for improving EMC

Soft start control circuit for lighting