LED illuminator with capability of stable brightness
Light control device for high frequency lighted fluorescent lamp
Light dimming system for emergency operation
Light sources
Lighting device for normal and emergent use
Lighting device with multiple power sources and multiple...
Low profile emergency ballast
Luminaire converter
Method and apparatus for operating LED array and charging batter
Method for operating a lamp, particularly for medical...
Modular uninterruptible lighting system
Neon illumination system
Operating circuit for electric discharge lamp
Overvoltage protected fluorescent tube supply circuit
Portable lighting product, a portable lighting product...
Power control arrangement, as for a flashlight
Rechargeable emergency lamp tube
Rechargeable lamp assembly, mounting unit, and circuit therefor
Rechargeable portable light with multiple charging systems
Relamping circuit for battery powered ballast