JPH0277616U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show an embodiment of the in-vehicle navigation system related to the present invention, in which FIG. 1 is a circuit configuration diagram, FIG. 2 is a diagram explaining the lane direction state, FIGS. 3 to 5 are diagrams explaining the operation, and FIG. is a flowchart showing the control operation by the central processing unit shown in FIG. 1, and FIG. 7 is an explanatory diagram when a plurality of roads are close to each other. (Explanation of symbols in the drawings indicating main parts) 1... Vehicle-mounted navigation device, 2... Direction sensor, 3... Distance sensor, 4... Central processing unit, 5... Display device, 6... External storage device.

Claims (1)

[Scope of utility model registration request] The current location is estimated based on the travel distance and direction of the vehicle, and if the estimated current location does not match the road conditions in the map information, the estimated current location is moved to an appropriate road in the map information, and the estimated current location is transferred to the road in the map information. An in-vehicle navigation device that searches for a road whose width allows the vehicle to move in the width direction by the amount of movement when the vehicle moves in the width direction from among the roads in the above map information, and provides the search for the road in the above map information. An in-vehicle navigation device equipped with a search means.