68801 ⎘
Safety means for rail/road crossing traffic; Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using rail-contacts, rail microphones, or the like, controlled by the vehicle
Grade crossing control system and method for determining track circuit impedance
#2RAILWAY CROSSING AND SIGNALING SYSTEM AND METHOD
#3Railroad track powered measurement device and railroad measurement system
#4System for securing of safety of railroad crossing against vehicle entry during warning signaling
#5Route feature identification system and method
#6Train direction detection apparatus and method
#7Route feature identification system and method
#8System and method for early train detection
#9Method for operating a railway safety system, and railway safety system
#10System and method for early train detection
#11Method and apparatus for operation of railroad protection installation
#12Railway sensor communication system and method
#13Traffic crossing warning device, and method for warning of an oncoming locomotive object