Route information display device and route information display method
First Claim
1. A route information display device comprising:
- a departure point input unit operable to accept input of a departure point;
a multiple destination input unit operable to accept input of a plurality of different destination points;
a route search unit operable to search for routes from the departure point to the respective destinations as point sequences;
a branch point calculation unit operable to calculate a last point among points that are shared by the respective routes as a branch point;
a route information display unit operable to display information regarding the route using the branch point;
a destination selection unit operable to select one of the destinations inputted to said multiple destination input unit;
a branch point candidate selection unit operable to select, as a branch point candidate, a point included in a route from the departure point to the destination selected by said multiple destination selection unit;
a branch point route search unit operable to search for a route from the branch point selected by said branch point candidate selection unit to a destination inputted to said destination input unit other than the destination selected by said destination selection unit; and
a branch point selection unit operable to select a branch point from the route searched out by said branch point route search unit,wherein said route information display unit is operable to display information regarding the route using the branch point selected by said branch point selection unit.
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Accused Products
Abstract
A route information display device is provided which calculates a branch point in routes to a plurality of inputted destinations, and uses the branch point to control information modes.
A route information display device according to the present invention includes: a departure point input unit (1012) that detects a current location of the user; a multiple destination input unit (1004) that accepts input of a plurality of destinations; a route search unit (1005) that searches for respective routes from the current location to the plurality of destinations; a branch point calculation unit (1007) that calculates a branch point of the respective searched routes; and a route information display unit (1011) that displays information regarding routes to the branch point and information regarding routes beyond the branch point in different modes, wherein the route information display device supports easy comprehension of information by the user by calculating a branch point of a plurality of inputted destinations and providing information in consideration of the branch point.
48 Citations
26 Claims
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1. A route information display device comprising:
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a departure point input unit operable to accept input of a departure point; a multiple destination input unit operable to accept input of a plurality of different destination points; a route search unit operable to search for routes from the departure point to the respective destinations as point sequences; a branch point calculation unit operable to calculate a last point among points that are shared by the respective routes as a branch point; a route information display unit operable to display information regarding the route using the branch point; a destination selection unit operable to select one of the destinations inputted to said multiple destination input unit; a branch point candidate selection unit operable to select, as a branch point candidate, a point included in a route from the departure point to the destination selected by said multiple destination selection unit; a branch point route search unit operable to search for a route from the branch point selected by said branch point candidate selection unit to a destination inputted to said destination input unit other than the destination selected by said destination selection unit; and a branch point selection unit operable to select a branch point from the route searched out by said branch point route search unit, wherein said route information display unit is operable to display information regarding the route using the branch point selected by said branch point selection unit. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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2. (canceled)
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10-24. -24. (canceled)
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25. A route information display method comprising:
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a departure point input step of accepting input of a departure point; a multiple destination input step of accepting input of a plurality of different destination points; a route search step of searching for routes from the departure point to the respective destinations as point sequences; a branch point calculation step of calculating a last point among points that are shared by the respective routes as a branch point; a display step of displaying information regarding the route using the branch point; a destination selection step of selecting one of the destinations inputted in said multiple destination input step; a branch point candidate selection step of selecting, as a branch point candidate, a point included in a route from the departure point to the destination selected in said destination selection step; a branch point route search step of searching for a route from the branch point selected in said branch point candidate selection step to a destination inputted in said multiple destination input step other than the destination selected in said destination selection step; and a branch point selection step of selecting a branch point from the route searched out in said branch point route search step, wherein in said route information display step, information regarding the route is displayed using the branch point selected in said branch point selection step.
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26. A program stored on a computer-readable medium that causes the computer to execute a route information display method, the method comprising:
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a departure point input step of accepting input of a departure point; a multiple destination input step of accepting input of a plurality of different destination points; a route search step of searching for routes from the departure point to the respective destinations as point sequences; a branch point calculation step of calculating a last point among points that are shared by the respective routes as a branch point; a display step of displaying information regarding the route using the branch point; a destination selection step of selecting one of the destinations inputted in said multiple destination input step; a branch point candidate selection step of selecting, as a branch point candidate, a point included in a route from the departure point to the destination selected in said destination selection step; a branch point route search step of searching for a route from the branch point selected in said branch point candidate selection step to a destination inputted in said multiple destination input step other than the destination selected in said destination selection step; and a branch point selection step of selecting a branch point from the route searched out in said branch point route search step, wherein in said route information display step, information regarding the route is displayed using the branch point selected in said branch point selection step.
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Specification