Navigation device
AssigneeMitsubishi Electric Corporation
InventorHiroshi Machino
Life of this patent
Estimating the term…
Abstract
A navigation device includes a route searching unit for searching for a whole route leading to a destination via waypoints set by a setting unit, a route guidance unit for carrying out route guidance according to the whole route, an output unit for outputting a message showing that a vehicle has deviated from a route leading to a first next waypoint toward which the vehicle has been heading when the route guidance unit determines that the vehicle has deviated from the route to a predetermined distance or more and is traveling along a route after the first next waypoint, and an input unit for inputting a command indicating whether or not to travel via the first next waypoint in response to the message outputted by the output unit.
Claims18
A navigation device comprising:
- a setting unit for setting waypoints and a destination;
- a route searching unit for searching for a whole route leading to the destination via the waypoints set by said setting unit;
- a route guidance unit for carrying out route guidance according to the whole route which is searched for by said route searching unit;
- an output unit for outputting a message showing that a vehicle has deviated from a route leading to a first next waypoint toward which the vehicle has been heading when said route guidance unit determines that the vehicle has deviated from the route to a predetermined distance or more and is traveling along a route after said first next waypoint;
- and
- an input unit for inputting a command indicating whether or not to travel via said first next waypoint in response to the message outputted by said output unit.
Dependencies are inferred from the claim text.