Navigation system and intersection guidance method
First Claim
Patent Images
1. An intersection guidance method in a navigation system, the method comprising:
- displaying traffic signals located at an intersection on an intersection view when the vehicle approaches the intersection; and
displaying a traffic signal to be considered in a manner so as to be identifiable from the other traffic signals.
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Abstract
When the vehicle approaches an intersection, traffic signals located at the intersection are displayed on an intersection view, a traffic signal to be considered is displayed in a manner so as to be identifiable from the other traffic signals, arrows in the same directions as those of arrow signals for the traffic signal to be considered are displayed; and an arrow corresponding to an arrow signal permitting the vehicle to proceed in the direction of a guidance route is displayed in a manner so as to be identifiable from the other arrows.
117 Citations
20 Claims
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1. An intersection guidance method in a navigation system, the method comprising:
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displaying traffic signals located at an intersection on an intersection view when the vehicle approaches the intersection; and
displaying a traffic signal to be considered in a manner so as to be identifiable from the other traffic signals. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An intersection guidance method in a navigation system, the method comprising:
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displaying arrows in the same directions as those of arrow signals for a traffic signal to be considered on an intersection view when the vehicle approaches an intersection; and
displaying an arrow corresponding to an arrow signal permitting the vehicle to proceed in the direction of a guidance route in a manner so as to be identifiable from the other arrows. - View Dependent Claims (8, 9, 10)
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11. A navigation system with intersection guidance functions, comprising:
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an intersection approach monitor detecting that the vehicle is close to an intersection;
a map memory;
a map data storage retrieving map data of the area around the vehicle from the map memory, and storing the map data; and
a display unit displaying, using intersection information included in the map data, traffic signals located at the intersection on an intersection view when the vehicle approaches an intersection, and displaying in an identifiable manner a traffic signal to be considered in passing through the intersection. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A navigation system with intersection guidance functions, comprising:
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an intersection approach monitor detecting that the vehicle is close to an intersection;
a map memory;
a map data storage retrieving map data of the area around the vehicle from the map memory, and storing the map data; and
a display unit displaying, using intersection information included in the map data, arrows in the same directions as those of arrow signals for a traffic signal to be considered on an intersection view when the vehicle approaches the intersection, and displaying an arrow corresponding to an arrow signal permitting the vehicle to proceed in the direction of a guidance route in a manner so as to be identifiable from the other arrows. - View Dependent Claims (18, 19, 20)
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Specification