JPH11132782A - Navigation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation device which makes a driver easy to see an enlarged map in the vicinity of a crossing irrespective of the set position of a steering wheel and to make the driver not confused at a display position of the enlarged map. SOLUTION: This navigation device is provided with a position detection means which detects a position and a display means which displays a road map indicating a position obtained from the position detection means and displays an enlarged map in the vicinity of a crossing in a display means when a position indicated on the road map displayed by the display means is in the vicinity of the crossing (S2). It is provided with a setting change means (S10, S24) which sets and changes the display position of the enlarged map in the display means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an on-vehicle type navigation device for displaying a road map showing the position of a vehicle on a display.

[0002]

2. Description of the Related Art In recent years, an on-vehicle navigation device which detects a position of a vehicle and displays a road map indicating the position on a display as image display means has been widely used. Such a navigation device position detection method includes a GPS positioning method in which a GPS receiver measures the position using radio waves from a GPS (Global Positioning System) satellite, and a running trajectory based on the distance and direction in which the vehicle has moved. There is a map matching method for detecting a position, and the like. Currently, a hybrid method of calculating a current position on a road network by a map matching method based on an absolute position of a vehicle measured by a GPS positioning method is mainly adopted.

[0003] When the mounted vehicle approaches an intersection or an intersection to be re-routed (in the case of a model capable of setting a route), the navigation device displays an enlarged map near the intersection as shown in FIG. For example, in Japanese Patent Application Laid-Open No. 9-5101, when intersections are continuous, an enlarged view of each of the continuous intersections is created, and these are simultaneously displayed on the image display means. A navigation device is disclosed. However, there is no mention of where and how these enlarged views are arranged.

[0004]

The navigation device displays an enlarged map near an intersection on a display because:
In order to make it easier for the driver to see the map near the intersection, the enlarged map is naturally set to be displayed on the display near the driver on the display. However, when the navigation device is removed / installed between a domestic car with a right-hand drive and a foreign car with many left-hand drives, an enlarged map may be displayed on the display on the side far from the driver. Yes, the driver may be confused. In addition, even if it is not confused, it becomes difficult for the driver to see the enlarged map. The present invention has been made in view of the above-described circumstances, and regardless of the installation position of the steering wheel, it is easy for the driver to see an enlarged map near the intersection.
It is another object of the present invention to provide a navigation device in which the driver does not get confused at the display position of the enlarged map.

[0005]

According to a first aspect of the present invention, there is provided a navigation device comprising: a position detecting means for detecting a position; and a display means for displaying a road map showing a position obtained from the position detecting means. When the position indicated on the road map displayed by the display means is near the intersection, in the navigation device displaying the enlarged map near the intersection on the display means, the display position of the enlarged map on the display means is changed. It is characterized by comprising setting change means.

In this navigation device, the display means displays a road map indicating the position detected by the position detection means, and when the position indicated on the road map is near the intersection, an enlarged map near the intersection is displayed. Display on the means. Then, the setting changing means changes the setting of the display position of the enlarged map near the intersection on the display means. Thereby, regardless of the installation position of the steering wheel in the left-right direction, an enlarged map near the intersection can be displayed on the side closer to the driver on the display means, making it easier for the driver to see the enlarged map near the intersection. Don't get confused by the location of the enlarged map.

The navigation apparatus according to a second aspect of the present invention further comprises a setting means for inputting and setting a horizontal position of the steering wheel, and the setting change means is configured to set the display position based on the setting position input by the setting means. Is changed.

In this navigation device, the setting means inputs and sets the position of the steering wheel in the left-right direction, and the setting change means changes the setting of the display position of the enlarged map near the intersection based on the input and set installation position. This allows
Regardless of the horizontal position of the steering wheel, an enlarged map near the intersection can be displayed on the display means near the driver,
The driver can easily see the enlarged map near the intersection, and the driver is not confused at the display position of the enlarged map.

The navigation device according to a third aspect of the present invention further comprises a setting means for inputting and setting a vehicle type of the mounted vehicle,
The setting change means changes the display position based on the vehicle type input and set by the setting means.

In this navigation device, the setting means inputs and sets the type of the mounted vehicle, and the setting change means changes the display position of the enlarged map near the intersection based on the input and set vehicle type. With this, the position of the steering wheel in the left-right direction can be specified from the vehicle type set and input, so that an enlarged map near the intersection can be displayed on the display means on the side closer to the driver, regardless of the left-right installation position of the steering wheel, The driver can easily see the enlarged map near the intersection, and the driver is not confused at the display position of the enlarged map.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing the embodiments. FIG. 1 is a block diagram showing a configuration example of an embodiment of a navigation device according to the present invention. This navigation device detects a current position from a traveling locus based on a distance and a direction in which a vehicle has moved, based on an absolute position of the vehicle measured by a GPS positioning method in which a GPS receiver measures the position using a radio wave from a GPS satellite. Positioning means 15 for calculating a current position on a road network by a map matching method, and operation means 11 for a user to perform input operations such as setting input and data input.
At the time of installation, a driving route is set from the initial position setting means 12 for inputting the setting position of the steering wheel in the left-right direction or the type of the mounted vehicle, and the departure point and the destination point input from the operation means 11. And a route setting storage unit 13 for storing.

[0012] This navigation apparatus also has a CD-ROM for storing map data and traffic regulation data such as one-way traffic.
A data storage means 14 such as a ROM;
And audio output means 16 such as a speaker for outputting audio data for guiding a landmark, such as a landmark, and an enlarged map creating means 17 for creating an enlarged map near an intersection to be rerouted. And data storage means 14
Based on the map data, traffic regulation data and the current position of the on-board vehicle calculated by the positioning means 15, the road map indicating the current position is displayed.
7. Data is exchanged between the image display means (display means) 18, which is a display for displaying the enlarged map created by 7, and each of the above-described means, and predetermined calculations are performed as necessary. Control to fulfill the function of
PU10.

Hereinafter, the operation of the navigation device having such a configuration will be described with reference to the flowchart of FIG. When the navigation device is mounted on a vehicle, the initial position setting unit 12 sets and inputs the position where the steering wheel is installed in the left-right direction or the vehicle type of the mounted vehicle. The route setting storage unit 13 sets and stores a travel route based on the departure point and the destination point input from the operation unit 11.

When the mounted vehicle approaches an intersection where the traveling direction should be changed while traveling on the traveling route set and stored by the route setting storage means 13 (S2), the CPU 10
Searches the traveling route set and stored by the route setting storage means 13 for another intersection within a predetermined distance of the intersection whose traveling direction should be changed (S4).
However, if there is another intersection that should not change the traveling direction, it is excluded from the search target.

If there is no other intersection to change the traveling direction within a predetermined distance of the intersection to change the traveling direction (S4), the CPU 10 creates an enlarged map of the one intersection by the enlarged map creating means 17. (S18). C
When another intersection to change the traveling direction exists within a predetermined distance of the intersection to change the traveling direction (S4), the PU 10 causes the enlarged map creating means 17 to create an enlarged map of each intersection (S6). .

Next, the CPU 10 sets the initial value setting means 12
(S8), and if the setting position of the steering wheel is initially set to the right, or if the initially set vehicle type is a right-hand steering vehicle type, the figure shown in FIG. As shown in FIG. 3A, the enlarged map created by the enlarged map creating means 17 (S18, S6) is displayed on the right side of the screen of the image display means 18 (S1).
0). At this time, when the enlarged maps of the two intersections are respectively created (S6), for example, in the traveling order, that is, when the mounted vehicle is traveling toward the upper part of the screen of the image display means 18, the intersection at the front is displayed. Is displayed on the lower right side of the screen, and the enlarged maps of other intersections are displayed on the upper right side of the screen.

The CPU 10 confirms the steering wheel installation position or the vehicle type initially set in the initial value setting means 12 (S8), and determines whether the steering wheel installation position is initially set to the left or the vehicle type which is initially set. Is a left-hand drive model, the enlarged map created by the enlarged map creating means 17 is displayed on the left side of the screen of the image display means 18 (S18, S6), as shown in FIG. 3B (S24). ). At this time, when the enlarged maps of the two intersections are respectively created (S6), for example, in the traveling order, that is, when the mounted vehicle is traveling toward the upper part of the screen of the image display means 18, the intersection at the front is displayed. Is displayed on the lower left side of the screen, and the enlarged maps of other intersections are displayed on the upper left side of the screen.

Next, the CPU 10 checks whether or not the intersection name of the enlarged map displayed on the image display means 18 (S10, S24) is stored in the data storage means 14 (S1).
1) If it is stored, the name of the intersection is displayed, for example, above the corresponding enlarged map (S12). If it is not stored (S11), it is not displayed.

Next, the CPU 10 displays a landmark, such as a landmark, near the intersection of the enlarged map displayed on the image display means 18 (S10, S24).
4 is checked (S13), and if it is stored, the mark and name of the building and the like are displayed on the image display means 18 (S14), and the voice data for guiding the building and the like are converted to data. The data is read from the storage means 14 and given to the audio output means 16 for output. If it is not stored (S13), it is not displayed. Next, as shown in FIGS. 3A and 3B, the CPU 10 displays arrows on the enlarged map (S10, S24) displayed on the image display means 18 to indicate the direction in which the mounted vehicle should travel. (S16), and returns.

[0020]

According to the navigation apparatus according to the first and second aspects of the present invention, an enlarged map near the intersection can be displayed on the display means closer to the driver regardless of the installation position of the steering wheel.
The driver can easily see the enlarged map near the intersection, and the driver is not confused at the display position of the enlarged map.

According to the navigation device of the third aspect of the present invention, the position of the steering wheel in the left-right direction can be specified from the vehicle type input and set, so that an enlarged map near the intersection is displayed regardless of the position of the steering wheel in the left-right direction. It can be displayed on the side closer to the upper driver, so that the driver can easily see the enlarged map near the intersection, and the driver is not confused at the display position of the enlarged map.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration example of an embodiment of a navigation device according to the present invention.

FIG. 2 is a flowchart showing the operation of the navigation device according to the present invention.

FIG. 3 is an explanatory diagram for explaining an operation of the navigation device according to the present invention.

[Explanation of symbols]

 Reference Signs List 10 CPU (setting change means) 11 Operating means 12 Initial value setting means (setting means) 14 Data storage means 15 Positioning means (position detecting means) 17 Enlarged map creating means 18 Image display means (display means, display)

Claims (3)

[Claims] 1. A vehicle comprising: a position detecting means for detecting a position; and a display means for displaying a road map indicating the position obtained from the position detecting means, wherein the position indicated on the road map displayed by the display means is provided. A navigation device for displaying an enlarged map near the intersection on the display when the vehicle is near the intersection, comprising a setting changer for changing the display position of the enlarged map on the display. 2. The apparatus according to claim 1, further comprising a setting unit configured to input and set an installation position of the steering wheel in the left-right direction, wherein the setting change unit changes the display position based on the installation position input and set by the setting unit. A navigation device as described. 3. The navigation according to claim 1, further comprising setting means for inputting and setting a vehicle type of the mounted vehicle, wherein said setting change means changes the display position based on the vehicle type input and set by said setting means. apparatus.