Vehicle navigation system

Details Vehicle navigation system Vehicle navigation system

G - Physics

01

C

G01C 23/00 (2006.01)

Patent

CA 2470284

To provide a navigation system capable of properly displaying direction guide information, which represents a target direction and the like, regardless of forward motion or backward motion. In step S1, the current position of a vehicle is calculated. In step S2, the traveling direction of the vehicle is sensed. In step S3, an operation mode is determined. If the operation mode is a "compass mode," the process goes to step S4, and the orientation of the traveling direction is calculated based on the current. position and the traveling direction. If the operation mode is a "NAVI mode," the process goes to step S5, and a target position T separately set is read. In step S6, a target direction is calculated based on the current position and the target position T. In step S7, whether the motion of the vehicle is forward or backward is determined. If the motion of the vehicle is backward, the process goes to step S8, and direction guide information is corrected by an angle equivalent to 180°.

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