Generating a maneuver at the intersection through a turn lane

Details Generating a maneuver at the intersection through a turn lane Generating a maneuver at the intersection through a turn lane

G - Physics

08

G

G08G 1/0968 (2006.01) G01C 21/36 (2006.01)

Patent

CA 2217753

The present invention provides a method and apparatus for generating a maneuver indication for an intersection having a turn-lane connector which is consistent with what a driver sees and expects. According to one aspect of the invention, it provides a method for providing maneuver indications to a driver for an intersection having a turn-lane connector which includes the steps of (a) determining when the intersection includes a turn-lane connector, (b) determining whether it is appropriate to collapse the turn lane into the main portion of the intersection for the purposes of generating a maneuver indication, (c) collapsing the turn lane into the intersection when it is appropriate, (d) generating a maneuver indication for the collapsed intersection, and (e) outputting the maneuver indication to the user in time so that the driver may use the turn-lane connector if desired.

Cette invention concerne un système de navigation embarqué qui affiche aux carrefours comportant une bretelle de raccordement à l'artère transversale une indication de manoeuvre à réaliser conforme à ce que le conducteur voit et à ce à quoi il s'attend. Selon un aspect de l'invention, la méthode d'indication de manoeuvre à réaliser à un carrefour du type susmentionné comprend les étapes suivantes : (a) détermination de la présence d'une bretelle de raccordement; (b) détermination de l'à-propos d'assimiler la bretelle de raccordement au carrefour proprement dit pour les fins de l'affichage de la manoeuvre à réaliser; (c) assimilation de la bretelle au carrefour s'il y a lieu; (d) génération d'une indication de manoeuvre simplifiée et (e) affichage l'indication de manoeuvre à temps pour que le conducteur puisse emprunter la bretelle de raccordement s'il le désire.

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