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

Sequential, clamped, single-ended ignition of series operation a

Sequential, differential ignition of series operated arc lamps

Series-capacitor electronic ballast

Shorted lamp detection in backlight system

Shutdown circuit

Signal generating circuit for ballast control of discharge lamps

Signal generator and control unit for sensing signals of...

Signal generator and control unit for sensing signals of...

Simplified topology for HID lamps

Sinewave dimmer control method

Single ballast for powering high intensity discharge lamps

Single ballast for powering plural high intensity discharge lamp

Single inductor serial-parallel LED driver

Single secondary dimming inverter/ballast for gas discharge lamp

Single stage HID electronic ballast