Smoothing circuit for improving EMC

Soft start control circuit for lighting

Soft starter device for lamps

Software controlled electronic dimming ballast

Solar-controlled light device

Solid state ballast

Solid state ballast for high intensity discharge lamps

Solid state ignitor

Solid state lighting apparatus

Solid state lighting apparatus

Solid state lighting panels with variable voltage boost...

Solid state lighting system and maintenance method therein

Solid state regulated power supply system for cold cathode lumin

Solid state strobe tube control circuit with programmable flash

Solid state tail light for aircraft

Solid-state ballast for fluorescent lamp with multiple dimming

Solid-state hid lamp dimmer

Sparkle suppression circuit to protect the contact terminals...

Spectrally calibratable multi-element RGB LED light source

Split cross fader for the control of theatre lighting