JPH1151670A - Auxiliary function of navigation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an auxiliary function of navigation system for enhancing the reliability of guiding road. SOLUTION: Operational information of the direction indicator 1 for automobile is taken, as the information 2 of direction indicator, into a navigation system 11 and recorded therein. The recorded information of direction indicator is utilized later for indicating a point where the direction indicator is presented previously on the road of the navigation system displayed on the screen when a right turn or a lane change is required during running on the same road toward the same goal. According to the arrangement, a driver can be guided with no anxiety when passing through the same intersection even if the road conditions has been changed due to jamming or at night.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a navigation system auxiliary function.

[0002]

2. Description of the Related Art A conventional car navigation system generally has a function of storing a past traveling locus of an own vehicle and superimposing the locus on a screen of a map display device. It is. This trajectory information is only geometric information of the trajectory that has traveled.

[0003]

The first problem with the conventional navigation system described above is that the reliability of road guidance in the conventional technology is poor.

[0004] The reason is that the lanes on which lanes can be changed differ depending on the road. For this reason, when there is a right / left turn road guide, there may be already a lane change prohibition point, and the guide may not be followed.

[0005] The second problem is that it is difficult to record lane changes in the prior art.

[0006] The reason is that it is impossible to accurately detect lane changes from longitude, latitude, altitude, and turning information.

An object of the present invention is to provide a navigation system auxiliary function for improving the reliability of road guidance.

[0008]

SUMMARY OF THE INVENTION A navigation system auxiliary function of the present invention is to provide a turn signal of a motor vehicle.
When the vehicle is turned to the right or left, the data of the current position of the navigation system and this information are combined, and the operation information of which point the vehicle's turn signal is turned to the right or left is indicated by the turn signal information. When the vehicle needs to turn right or change lanes later while traveling on the same road at the same destination, the point on the road of the navigation system where the last turn signal was issued is displayed on the display screen.

[Operation] When the driver turns left at an intersection, the car is traveling on the right lane of a two-lane road.
In order to move to the left lane, put out a direction indicator to the left, and add the `` left '' information of the direction indicator to the record of the track consisting of conventional longitude, latitude, altitude, and if this information is useful, Later, when passing through the same intersection, even if the road conditions such as traffic congestion or nighttime change, the driver can be guided with peace of mind.

[0010]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of a navigation system auxiliary function of the present invention.

Referring to FIG. 1, one embodiment of a navigation system auxiliary function is a navigation system 1.
1 is configured to capture and record operation information of a turn signal (turn signal) 1 of an automobile as information 2 of a turn signal.

Next, the operation of the embodiment of the present invention will be described in detail with reference to FIG.

FIG. 2 is a flowchart showing the operation of one embodiment of the navigation system auxiliary function of the present invention.

When the driver puts the turn signal 1 of the car to the right or left (step S1), the data of the current position of the navigation system 11 and this information are combined to determine which position the turn signal 1 of the car is at. The operation information indicating whether the information has been output (right or left) is captured and recorded as information 2 of the direction indicator (step S2). Note that whether to acquire and record the information of the direction indicator can be made valid or invalid according to the user's selection.

The user can edit the recorded information as needed.

If it is later felt that the timing of issuing the turn signal is wrong, the recorded location can be changed to an arbitrary location.

Also, the operation of the vehicle after the turn signal is issued is monitored for an arbitrary time set by the user or the system, and whether the recorded information of the turn signal is for a right turn or a left turn, or , It is possible to add information indicating whether or not the lane was changed.

The monitoring of the operation of the vehicle utilizes the functions (gyro, GPS, etc.) already in the navigation system.

Next, the operation (step S3) of using the information of the direction indicator recorded or edited as described above will be described.

The procedure of use is as follows. When a right turn or a lane change is required while traveling on the same road at the same destination, the road of the navigation system displays the point where the turn signal was issued last time on the display screen. The display timing can be set by the user or the system. In addition, this display can be used in combination with visual graphics in addition to characters. The item to be displayed may be a display such as a lane change or a right turn. However, in this case, as described above, it is necessary to monitor the operation of the vehicle in addition to recording the information of the turn signal.

FIG. 3 is a diagram showing the difference between the navigation system assisting function of the present invention and a conventional navigation system. A display example of road guidance when general navigation provides road guidance and information of the present invention are added. Here is an example.

[0023]

As described above, in the navigation system assisting function of the present invention, the first effect is that even when road conditions such as traffic congestion and night time change when passing through the same intersection, the driver can use the system. Reliable guidance becomes possible. In addition, the lane changeable route differs depending on the road, and when there is a road guidance of turning left or right, the driver may be already at a prohibited point of lane change, so even if it is not possible to follow the guidance, the driver can provide safe guidance become.

The reason is that the operation information of the turn signal of the vehicle is recorded when the vehicle has passed the intersection before, so that the information can be used.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of a navigation system auxiliary function of the present invention.

FIG. 2 is a flowchart showing the operation of one embodiment of the navigation system auxiliary function of the present invention.

FIG. 3 is a diagram showing a difference between a navigation system auxiliary function of the present invention and a conventional navigation system.

[Explanation of symbols]

 1 turn signal of car 2 turn signal information 11 navigation system

Claims (2)

[Claims] 1. A navigation system assisting function characterized in that an operation record of a direction indicator of an automobile is recorded in a navigation system and reused for road guidance of the navigation system. 2. When the turn signal of the vehicle is turned to the right or left, the data of the current position of the navigation system and this information are combined, and at which point the turn signal of the vehicle is turned to the right or left. The operation information on whether the operation was performed is captured as direction indicator information and recorded.If the vehicle needs to turn right or change lanes at the same destination later, the road of the navigation system will display the previous direction indicator on the display screen. A navigation system assisting function characterized by displaying a selected point.