Light source controlling circuit and portable electronic...

Light source controlling circuit and portable electronic...

Lightbulb life extender

Lighting apparatus for discharge lamp

Lighting apparatus with improved current overload protection cir

Lighting circuit for vehicular discharge lamp

Lighting system

Limited current circuit of digital inverter for LCD backlight

Liquid level detection circuit for control of liquid level respo

Low line voltage detection control module and method for a fluor

Low voltage illumination system

Luminaire diagnostic and configuration identification system

Luminaire diagnostic system

Method and apparatus to drive LED arrays using time sharing...

Method and system for eliminating DC bias on electrolytic...

Method for operating at least one fluorescent lamp with an elect

Method for operating high-pressure lamps without hotstarting...

Method of igniting a gas-discharge lamp

Modulation of a background light or any illumination of a...

Motion activated illluminating footwear and light module therefo