A method at a portable sensor apparatus for detecting an approaching vehicle, the method including detecting, using at least one detector at the sensor apparatus, signal energy of a signal from the approaching vehicle; analyzing the signal energy using a processor at the sensor apparatus to determine that an alarm should be triggered; and based on the analyzing, causing the alarm from an alert mechanism on the sensor apparatus.
METHOD AND APPARATUS FOR VULNERABLE ROAD USER ALERT
VERFAHREN UND VORRICHTUNG ZUR WARNUNG UNGESCHÜTZTER VERKEHRSTEILNEHMER
PROCÉDÉ ET APPAREIL D'ALERTE D'USAGER DE LA ROUTE VULNÉRABLE
2020-12-16
Patent
Elektronische Ressource
Englisch