Patent ID: 8294594
Filing Date: 2012-10-23
Classification: G08G

Abstract:
1. An on-board vehicle warning system comprising: a location detecting section configured to detect a geographic location of a host vehicle equipped with the on-board vehicle warning system, and a geographic location of a forthcoming intersection; a regulation retrieving section configured to selectively retrieve a jurisdiction from a plurality of jurisdictions based on the geographic location of the forthcoming intersection, the jurisdiction including local intersection regulation information, the local intersection regulation information including information pertaining to a vehicle position with respect to an intersection boundary at the time of a particular phase transition of a traffic light device at any traffic intersection governed by the jurisdiction that is impermissible within at least the jurisdiction and is permissible within at least one other jurisdiction of the plurality of jurisdictions; an incoming message receiving section configured to receive intersection status information of the forthcoming intersection with the intersection status information containing a geographic location of a boundary of the forthcoming intersection and phase information including a current phase and a time to the particular phase transition of a traffic light device of the forthcoming intersection; and a potential violation alerting section configured to estimate a future position at which the host vehicle will be with respect to the boundary of the forthcoming intersection at the time that the particular phase transition is going to occur, the potential violation alerting section being further configured to estimate a required stopping distance and a reaction distance, and determine a first warning distance from the boundary of the traffic intersection based on the reaction distance and the required stopping distance when the estimated future position is determined to be impermissible according to the local intersection regulation, the potential violation alerting section being further configured to provide a first warning notification to a driver of the host vehicle when the host vehicle reaches the first warning distance.