Apparatus and method for detecting failure in an emergency...
Apparatus and method for sustaining the operation of HID lamps
Automatic light control and battery protection on a vehicle
Automatic relamping system
Auxiliary quartz lamp lighting system for high intensity...
Auxiliary quartz lamp lighting system for high intensity...
Back-up electrical system for lamps
Back-up electrical system for portable table lamps
Back-up electrical systems
Back-up lighting system
Ballast EMI and shock hazard reduction
Brightness controllable flashlights
Central battery emergency lighting system
Combination emergency light and nightlight
Combination incandescent and solar-electric light bulb with auto
Control apparatus for permitting operation of an ac-powered lamp
Control circuit and system for providing emergency lighting
Control unit for controlling a strobe light or the like
Distributed emergency lighting system having self-testing...
Emergency ballast for compact fluorescent lamp with battery...