JP2000292180A - On-vehicle navigator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle navigator whereby information up to a destination can be known during running. SOLUTION: In an on-vehicle navigator, a first display control means 28 displays searching routes from a departure point to a destination on the predetermined area of a display screen as a simple whole route map and a second display control means 29 displays a route section in which an own vehicle has run and a route section to run from now in the displayed simple whole route map where the own vehicle locates at the boundary between both section. Thus, the own vehicle location is found at the boundary position and hence the section it has run and the remaining section are clearly found.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle navigation device, and more particularly to an in-vehicle navigation device capable of setting a destination and searching for a route from a departure point to a destination.

[0002]

2. Description of the Related Art In a conventional in-vehicle navigation device, a destination is set, a route search is performed from a departure point to a destination, and a search result is displayed on a screen of a display device in the in-vehicle navigation device. It is displayed as a guidance route above. While traveling along the guidance route, as shown in FIG. 5, the own vehicle traveling direction indicated by an arrow in the circle in FIG. 5, the own vehicle position, and a map display of a predetermined range including the own vehicle position are superimposed and displayed.

[0003]

However, in the above-mentioned conventional in-vehicle navigation device, there is a problem that the entire route cannot be grasped unless the entire route diagram of the search result is displayed at the end of the route search.

[0004] Further, the own vehicle uses the search route as a guidance route,
As the vehicle travels along the guidance route, a part of the traveled guidance route disappears from the display screen, and it is not known how far the vehicle has traveled from the starting point and how much remains to the destination. There was a point. As a result, there is a problem in that the passengers are uneasy because the future until the arrival at the destination is unknown.

[0005] It is an object of the present invention to provide an in-vehicle navigation device capable of grasping information to a destination during traveling.

[0006]

SUMMARY OF THE INVENTION An on-vehicle navigation device according to the present invention has a route search function and displays a map of a predetermined range including a position of a vehicle on a display screen. First display control means for displaying a search route to the ground on a predetermined part of the display screen as a simplified general route map, and displaying the position of the vehicle in the simple general route diagram displayed by the first display control means And second display control means for causing

According to the on-vehicle navigation device of the present invention, the search route from the departure point to the destination is displayed on a predetermined part of the display screen as a simplified whole route map by the first display control means based on the search result. Then, the own vehicle position is displayed by the second display control means in the simplified whole route diagram displayed by the first display control means. Therefore, the entire route can be determined from the simplified overall route diagram, and the current traveling position can be determined in real time from the display of the own vehicle on the route. Therefore, information to the destination can be grasped during traveling.

In the on-vehicle navigation device according to the present invention, the display of the position of the vehicle by the second display control means is divided into a route on which the vehicle has traveled and a route on which the vehicle is traveling, and the boundary position of the partition is determined by the vehicle. The position is displayed on the simplified general route map.

According to the on-vehicle navigation device of the present invention, the position of the vehicle is displayed at the boundary position in the simplified whole route diagram which is divided into the route on which the vehicle has traveled and the route on which the vehicle will travel. The position of the own vehicle can be clearly understood in the simplified whole route map.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an on-vehicle navigation device according to the present invention will be described with reference to embodiments. FIG. 1 is a block diagram showing a configuration of an in-vehicle navigation device according to an embodiment of the present invention.

An on-vehicle navigation device 10 according to one embodiment of the present invention includes a vehicle position processing device 13 which receives signals from a GPS receiver 11 and an autonomous navigation sensor 12 and calculates the position of the vehicle. Device 14, a reading device 16 for reading map data from a map database device 15 on which map data is recorded, a route search instruction key switch 18 for instructing a route search, a destination for instructing a destination on the map in the display screen An input device 17 including an instruction key switch 19, a video display processing device 20 including a graphic controller 22, a video RAM 21, and a display device 23, and an audio output device 24 are provided.

The in-vehicle navigation device 10 further includes:
A controller 26 including a central processing unit cooperating with a memory 25 is provided. Upon receiving the vehicle position information output from the vehicle position processing unit 14, the vehicle position display based on the vehicle position information is displayed under the control of the controller 26. The display processing device 20 causes the display device 23 to display the data on the display device 23, and reads the map data in a range including the vehicle position from the map database device 15 under the control of the controller 22.
6, receiving the read map data,
The map based on the map data is configured to be superimposed on the display device 23 by the video display processing device 20.

The on-vehicle navigation device 10 uses the route searched based on the route search function as a guidance route, and when traveling on the guidance route from the departure point to the destination and approaching an intersection or the like, an audio output device is used. The intersection name,
An audio output device 24 is provided for guiding the traveling direction and the like by audio or the like.

When a route search instruction is given by the route search instruction key switch 18, the controller 26 waits for a destination to be designated by the destination instruction key switch 19, and then determines the position of the vehicle at the time of the destination designation. Route search means 27 for performing a route search from the departure point to the destination as a departure point, and first display control means 28 for displaying a search route from the departure point to the destination on a predetermined part of the display screen as a simplified general route diagram. And a second display control means 29 for displaying the position of the vehicle in the simplified overall route diagram on the simplified overall route diagram at a boundary position divided into a traveling route and a traveling route. Have.

The operation of the in-vehicle navigation device 10 according to the embodiment of the present invention configured as described above will be described with reference to the flowchart of FIG.

In the on-vehicle navigation device 10, if there is no route search result data at the time of turning on the power, the own vehicle position information obtained by the own vehicle position processing device 14 is registered as a departure place (step S1). Subsequent to step S1, a route search instruction is issued by the route search instruction key switch 18, and then the process waits until a destination instruction is issued by the destination instruction key switch 19 (step S2, step S2).
3).

When a destination is specified in step S3, map data is read from the map database 15 via the reading device 16, and a route search from the departure point in step S1 to the destination specified in step S3 is performed. (Step S4).

At the time of step S4, the departure point which is the search start position and the own vehicle position are the same position. When the route search is completed, as shown in FIG. 3, a simplified entire route map from the departure point to the destination is displayed in, for example, a predetermined left predetermined range on the screen of the display device 23 (step S5). Here, in FIG. 3 and FIG. 4 described later, the display position of the flag with the S mark indicates the departure point, and the display position of the flag with the checker mark indicates the destination.
The remaining display screen, that is, the display on the right display screen is a map display including the own vehicle position displayed on the screen of the display device 23.

Subsequent to step S5, the host vehicle is driven toward the destination using the search route as a guide route. During this traveling, the own vehicle position in the simplified whole route map from the departure point to the destination displayed in the predetermined range on the left side of the display screen of the display device 23 is simplified based on the own vehicle position information as shown in FIG. It is superimposed and displayed in the entire route map. In this example, FIG.
In the display, the route on which the vehicle has traveled is displayed dark, the route on which the vehicle travels from now on is displayed lightly, and the position of the vehicle is displayed at the boundary position. As the vehicle travels, the display position of the vehicle position in the simplified whole route map from the departure point to the destination displayed in the predetermined range on the left side of the display screen of the display device 23 is also updated (step S6).

In this state, the display on the right side of the display screen of the display device 23 in FIG. 4 is similar to the conventional on-vehicle navigation device, and a map display of a predetermined range including the own vehicle position is superimposed on the own vehicle position. Is displayed.

After step 6, it is checked whether the destination has been updated (step S7), and step S7 is performed.
Is updated by first instructing a route search by an instruction of the route search instruction key switch 18 and then instructing the destination by the destination instruction key switch 19.

When the destination is updated in step S7, the process is repeatedly executed from step S4, and the position of the own vehicle at the time when the route search instruction is given by the route search instruction key switch 18 is set as the departure point. A route search from the ground to the destination newly instructed by the destination instruction key switch 19 is performed. It goes without saying that the newly searched route becomes the guidance route, and the display of the simplified whole route map from the starting point to the destination displayed on the left side of the display device 23 is also updated.

If it is determined in step S7 that the destination has not been instructed to change, the process is repeated from step S6 until the destination is reached (step S7).
8).

In the above, the display of the own vehicle position in the simplified whole route map from the starting point to the destination is shown in FIG.
As shown in the figure, the case where the route portion that has passed in the simplified whole route and the route portion that is going to run is displayed by being divided is illustrated, but instead, the simplified whole route diagram from the departure point to the destination is displayed instead The current position of the vehicle in the vehicle may be displayed.

[0025]

As described above, according to the in-vehicle navigation device according to the present invention, the entire route can be grasped by the simplified whole route diagram from the departure point to the destination, and
The running position of the vehicle on the whole route is displayed on the simplified whole route map, so you can see how much you have traveled on the route and how much remains until you arrive at the destination. The effect that progress status can be recognized in real time is obtained. Further, an effect is obtained that information to the destination can be grasped.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a vehicle-mounted navigation device according to an embodiment of the present invention.

FIG. 2 is a flowchart for explaining an operation of the on-vehicle navigation device according to the embodiment of the present invention;

FIG. 3 is a schematic diagram showing an example of a display on a display device in the on-vehicle navigation device according to one embodiment of the present invention.

FIG. 4 is a schematic diagram showing another example of the display on the display device in the in-vehicle navigation device according to the embodiment of the present invention.

FIG. 5 is a schematic diagram of a display on a display device in a conventional navigation device.

[Explanation of symbols]

 Reference Signs List 10 navigation device 14 vehicle position processing device 15 map database device 16 reading device 17 input device 18 route search instruction key switch 19 destination instruction key switch 23 display device 24 audio output device 26 controller 27 route search means 28 first display control means 29 Second display control means

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Claims (3)

[Claims] An in-vehicle navigation device having a route search function and displaying a map of a predetermined range including a position of a vehicle on a display screen, wherein a search route from a departure point to a destination is predetermined on the display screen. And a second display control means for displaying the position of the vehicle in the simplified general route map displayed by the first display control means. A featured in-vehicle navigation device. 2. The on-vehicle navigation device according to claim 1, wherein the display of the position of the own vehicle by the second display control means is divided into a route on which the own vehicle has traveled and a route on which the own vehicle is going to travel. An on-vehicle navigation device characterized in that the position is displayed on the simplified overall route map as the position of the vehicle. 3. The on-vehicle navigation device according to claim 2, wherein one of the route on which the vehicle has traveled and the route on which it is to travel is displayed in the simplified overall route diagram. Navigation device.