Light socket adapted smoke detector
Light-pipe based identification and location signaling light
Light-responsive enclosure alarm
Lighting control system and method
Lighting fixture with box, bracket, extension cord, and...
Lighting security system
Line isolation monitor
Line monitoring system and method
Line supervision
Linear fire-detector alarming system based on data fusion...
Lint filter signal for automatic clothes dryer
Liquid leakage capacitive sensing probe
Liquid leakage detection system
Liquid level detecting device
Liquid level indicating system
Liquid level sensing circuitry
Liquid level sensing circuitry
Liquid level system
Liquid sensing alarm for liquid level control systems
Load isolated article surveillance system and antenna assembly