LandOfFree - US Patents - Listing for Communications: electrical,Override of traffic control indicator by command transmitter

Communications: electrical – Override of traffic control indicator by command transmitter

Optical traffic preemption detector

Communications: electrical – Override of traffic control indicator by command transmitter

Optical traffic preemption detector circuitry

Communications: electrical – Override of traffic control indicator by command transmitter

State/interval redundant controller system for traffic signals

Communications: electrical – Override of traffic control indicator by command transmitter

System and method for controlling a traffic light

Communications: electrical – Override of traffic control indicator by command transmitter

System and method for signal light preemption and vehicle...

Communications: electrical – Override of traffic control indicator by command transmitter

System to control and temporarily adapt semaphoric regulation

Communications: electrical – Override of traffic control indicator by command transmitter

Traffic light control apparatus for emergency vehicles

Communications: electrical – Override of traffic control indicator by command transmitter

Traffic light control means for emergency-type vehicles

Communications: electrical – Override of traffic control indicator by command transmitter

Traffic preemption system

Communications: electrical – Override of traffic control indicator by command transmitter

Traffic preemption system and related methods

Communications: electrical – Override of traffic control indicator by command transmitter

Traffic signal control for emergency vehicles

Communications: electrical – Override of traffic control indicator by command transmitter

Traffic signal preemption system

Communications: electrical – Override of traffic control indicator by command transmitter

Trail safe alert system