Lighting installation, for instance, airport or road...
Lighting means having light emitting diodes
Lighting security system
Lighting system with traffic management capabilities
Line following apparatus
Line isolation monitor
Line monitoring system and method
Line supervision
Linear capacitive sensor system
Linear fire-detector alarming system based on data fusion...
Linear sensor with concentric slider and housing
Link network with monitoring sensors and diagnostic system,...
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