JPH09287973A - Navigation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide in advance, a navigation apparatus enabling easy grasp of course information at an intersection, for altering the course in the case of driving according to a set route. SOLUTION: The navigation apparatus divides a screen by control means 8 when a specific operation is conducted by operating means 4, forms a route drawing by route drawing forming means 6 based on the route data of route set storage means 5 and road map data stored in data storage means 2, selects the intersection for altering a course, and forms the enlarged view of the intersection by enlarged view forming means 7. The route drawing and a plurality of intersection enlarged views are simultaneously displayed on the divided screen by control means 8 on image display means 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device for displaying a measured position of a vehicle on map data.

[0002]

2. Description of the Related Art In recent years, GPS (Grobal P
operating system), vehicle position information obtained based on the output of a vehicle speed sensor, geomagnetic sensor, etc., and map data stored in an optical disk, an IC card, etc., and a liquid crystal display (LC)
A navigation device for displaying on a display means such as "D") has been developed. In such a navigation device, a route that is a drive course from a starting point to a destination is set on map data, and regarding the set route, an intersection that changes the vehicle position or traveling direction is enlarged and displayed on the map data. , I was informing the user.

[0003]

In such a conventional navigation device, when the vehicle approaches an intersection where the route is changed, an enlarged view of the intersection is displayed. The intersection could not be displayed and the information on the direction of travel could not be grasped.

It is an object of the present invention to provide a navigation device capable of easily grasping in advance the route information and the like at an intersection where the route is changed when driving according to a set route.

[0005]

In order to solve this problem, the present invention provides a positioning means for positioning the position of a vehicle, a map storage means for storing road map data, and an image signal such as road map data. Display means, operation means for performing data input operation, route setting storage means for setting a route connecting a starting point and a destination point on the road map data set by the operating means, and storing the route data as route data. , Creating an enlarged view of the intersection based on the road map data, dividing the screen of the enlarged view creating means and the display means into a predetermined number, and selecting and selecting the intersection to change the course based on the road map data and the route data. And a control means for causing the enlarged view creating means to create an enlarged view of the intersection and outputting the enlarged view to the display means.

As a result, a navigation device can be obtained in which the route information at the intersection where the route is to be changed can be easily grasped in advance when driving according to the set route.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention displays positioning means for positioning the position of a vehicle, map storage means for storing road map data, and image signals such as road map data. Display means, operation means for performing data input operation, route setting storage means for setting a route connecting a starting point and a destination point on the road map data set by the operating means, and storing as route data, The enlarged view creating means for creating an enlarged view of the intersection based on the road map data and the screen of the display means are divided into a predetermined number, and the intersection where the course is changed is selected based on the road map data and the route data and selected. By having a configuration in which an enlarged view of the intersection is created by the enlarged view creating means and is output to the display means, a plurality of intersections for changing the course of the set route are provided. By displaying simultaneously, it is possible to easily grasp the routing data at the intersection of performing course change on the route.

According to a third aspect of the present invention, a positioning means for positioning the position of the vehicle, a map storage means for storing road map data, a display means for displaying an image signal such as the road map data, The route setting storage means for setting the route connecting the starting point and the destination point on the road map data set by the operating means for performing the data input operation and storing it as the route data, and the road map data Enlarged map creation means for creating an enlarged map of the intersection based on
Route map creating means for creating a simplified diagram of the entire route (hereinafter referred to as "route map") based on the route data, and the screen of the display means are divided into a predetermined number, and the route is based on the road map data and the route data. By selecting an intersection to change, the enlarged view of the selected intersection is made to be created by the enlarged view creating means, and the control means for outputting the enlarged view of the created intersection and the route diagram together to the display means is provided. , The route map can be displayed on a part of the divided screen along with the enlarged view of the intersection.

The invention according to claim 5 of the present invention is the invention according to claim 3 or 4, wherein the control means is
The divided screen numbers are given to the enlarged view of the intersection to be output to the display means, and the same number is given to the position on the route diagram to which the enlarged view of the intersection corresponds. The same number is given to the corresponding position on the route map of the intersection.

[0010]

EXAMPLE An example of the present invention will be described below with reference to a screen.

FIG. 1 is a functional block diagram of a navigation device according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a positioning means for positioning the position of a vehicle, which uses a GPS receiver for simultaneously receiving radio waves from a plurality of GPS satellites and outputting position information of the vehicle. However, the positioning method is not limited to the one called the radio navigation by GPS, and a self-contained navigation using a vehicle speed sensor or a gyro sensor may be used. Reference numeral 2 denotes a data storage means for storing road map data and spot information (hereinafter referred to as "landmark information"), which serves as a mark of buildings and facilities, as digital data, and is a CD-ROM (Compact Disk-R).
It is stored in a storage medium such as ead Only Memory).
An image display unit 3 displays an image signal such as map data, and an LCD or the like is used for the display screen. Reference numeral 4 denotes an operating means for a user to input data, such as inputting data by operating a keyboard or touch panel, or inputting data by recognizing a voice uttered by the user. And so on. Reference numeral 5 is a route setting storage means for setting a drive route based on the starting point and the destination point input from the operating means 4 and storing it as route data. Reference numeral 6 is a route diagram creating means for creating a simplified diagram showing the entire drive route (hereinafter referred to as "route diagram") based on the route data of the drive route stored in the route setting storage means 5.
Reference numeral 7 is an enlarged view creating means for creating an enlarged view of an intersection based on road map data. Reference numeral 8 is a control means for controlling each of the above means.

The road map data stored in the data storage means 2 includes road information indicating the shape and connection status of the road, road width information indicating the width of the road, point information indicating the intersection, and information regarding the name of the intersection. There is.

In the following description, it is assumed that the drive route from the starting point to the destination point is set and stored in advance by the route setting storage means 5. As a method of setting the drive route, a method of minimizing the distance from the starting point to the destination point, a method of mainly passing through a main road, or the like has already been put into practical use, and a detailed description thereof will be omitted.

Further, the enlarged view of the intersection created by the enlarged view creating means 7 is, for example, as shown in FIG. 4 which will be described later, the outline of the road shape of the intersection, the course direction at the intersection, the name of the intersection, and It is indicated by landmark information existing near the intersection.

The operation of the navigation device configured as described above will be described below.

FIG. 2 is an operation flowchart of the navigation device according to the embodiment of the present invention. As shown in FIG. 2, as an initial process, the control means 8 sets the number of enlarged views of intersections that can be displayed as the number of screen divisions (step 1), and resets a variable i that manages the divided screens (steps). 2). In this embodiment, since the route diagram is displayed on a part of the divided screen, the number of displayable enlarged views of the intersection is (i-1).

The route data of the drive route stored in the route setting storage means 5 is read out (step 3), and the route map is generated by the route map creating means 6 based on the route data and the corresponding road map data. (Step 4) Then, it is judged whether or not it is the intersection information for changing the course (Step 5).

In step 5, if it is an intersection where the course is changed, the variable i is incremented (step 6),
An enlarged view of the intersection is created by the enlarged view creating means 7 (step 7), the enlarged view of the intersection is set on the divided screen indicated by the variable i (step 8), and the variable is set at the position of the corresponding intersection on the route diagram. The number indicated by i is set (step 9). On the other hand, in step 5, if it is not an intersection that changes the course, the next data is read.

When the variable i becomes the number of possible displays of the intersection enlarged view, that is, the number of divided displays (variable i) minus 1 (step 10), the image display means 3 displays the intersection enlarged view on the divided screen. And the route map are output (step 11), and the operation is waited for by the user (step 12). When the user performs an operation of displaying the next data, i is reset (step 13) and the operations from step 3 are repeated until the end of the route setting storage data. If it is not the display number of the enlarged view of the intersection, read the next data.

In step 3, if the data to be read is the last data, the screen display (step 14) and the operation waiting (step 15) are performed, and the process ends.

FIG. 3 is an explanatory diagram of screen division in one embodiment of the present invention, and FIG. 4 is a diagram showing a display example in one embodiment of the present invention, showing a case where the number of screen divisions is nine. FIG.
As shown in FIG. 4, numbers are assigned to the divided screens, and as shown in FIG. 4, the intersection for changing the route and the variable i for managing the divided screens are made to correspond to each other, and an enlarged intersection diagram is set to the screen number indicated by i. Further, the route diagram is set at the position of the screen division number, and the variable i is superimposed and displayed at the position of the enlarged intersection. The screen division method and the number of screen divisions are changed according to the size of the screen and the visibility of the user, and are not particularly limited.

In this embodiment, the enlarged view of the intersection is created by the enlarged view creating means 7 based on the road map data. However, the enlarged view of the intersection is stored in the data storage means 2 in advance as image data. You may leave it.

As described above, in this embodiment, the screen is divided and the enlarged view of the intersections for changing the route is displayed in a list so that the information about the intersections for changing the route, which is the point of the set drive route, can be understood in advance. This is useful when you want to preview the set drive route. Also, a route map, which is a simplified diagram of the drive route, is displayed on a part of the divided screen, and the numbers corresponding to the enlarged numbers of the intersections to be displayed are displayed on the route diagram to display as an enlarged diagram. It is possible to easily grasp the approximate position of the intersection on the drive route.

[0024]

As described above, according to the present invention, positioning means for positioning the position of a vehicle, map storage means for storing road map data, and display means for displaying image signals such as road map data, The route setting storage means for setting the route connecting the starting point and the destination point on the road map data set by the operating means for performing the data input operation and storing it as the route data, and the road map data Enlarged map creation means for creating an enlarged map of the intersection based on
A control for dividing the screen of the display means into a predetermined number, selecting an intersection whose course is to be changed based on the road map data and the route data, causing the enlarged view creation means to create an enlarged view of the selected intersection, and outputting to the display means With the configuration including the means, it is possible to easily display the route information at the intersection on which the route is to be changed by simultaneously displaying a plurality of intersections for changing the route on the set route. When the user wants to preview the driving course, it is possible to grasp the course information at the intersection where the course is changed in advance, which is the point of the course to be driven.

Also, a positioning means for positioning the position of the vehicle,
Map storage means for storing road map data, display means for displaying image signals such as road map data, operation means for performing data input operation, and starting point on road map data set by the operation means. A route setting storage means for setting a route connecting to a destination and storing it as route data, an enlarged map creating means for creating an enlarged view of an intersection based on road map data, and a simplified diagram of the entire route based on the route data ( (Hereinafter referred to as “route map”) and the screen of the display means is divided into a predetermined number of screens, an intersection for changing the route is selected based on the road map data and the route data, and the selected intersection is selected. And a control means for outputting the enlarged view of the created intersection and the route diagram together to the display means. Allows the route map to be displayed on a part of the divided screen, and when the user wants to preview the driving course, the route information and driving at the intersection that changes the course which is the point of the course to drive in advance You can grasp the outline of the route.

Further, the control means is configured to give a divided screen number to the enlarged view of the intersection output to the display means and give the same number to the position on the route diagram to which the enlarged view of the intersection corresponds. Accordingly, by assigning the same number to the enlarged view of the intersection and the corresponding position on the route map of the intersection, it is possible to grasp the approximate position on the route of the intersection shown as the enlarged view.

[Brief description of drawings]

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

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

FIG. 3 is an explanatory diagram of screen division according to an embodiment of the present invention.

FIG. 4 is a diagram showing a display example in an embodiment of the present invention.

[Explanation of symbols]

 1 Positioning Means 2 Data Storage Means 3 Image Display Means 4 Operating Means 5 Route Setting Storage Means 6 Route Diagram Making Means 7 Enlarged Drawing Making Means 8 Control Means

Claims (5)

[Claims] 1. A positioning means for positioning the position of a vehicle, a map storage means for storing road map data, a display means for displaying image signals such as the road map data, and an operation means for inputting data. And a route setting storage means for setting a route connecting a starting point and a destination point on the road map data set by the operating means and storing it as route data, and an enlarged view of an intersection based on the road map data. The screen of the enlarged view creating means and the screen of the display means are divided into a predetermined number, an intersection whose course is changed is selected based on the road map data and the route data, and the enlarged view of the selected intersection is enlarged. A navigation device, comprising: a control unit that causes a drawing generation unit to generate and output to the display unit. 2. A positioning means for positioning a vehicle, a map storage means for storing road map data, an enlarged view storage means for storing an enlarged view of an intersection in the road map data, the road map data, etc. Display means for displaying an image signal, operating means for performing data input operation, and a route connecting a starting point and a destination point on the road map data set by the operating means are set and stored as route data. The route setting storage means and the screen of the display means are divided into a predetermined number, an intersection whose course is changed is selected based on the road map data and the route data, and an enlarged view of the selected intersection is stored in the enlarged view storage. And a control means for reading out from the means and outputting to the display means. 3. A positioning means for positioning the position of a vehicle, a map storage means for storing road map data, a display means for displaying image signals such as the road map data, and an operation means for inputting data. And a route setting storage means for setting a route connecting a starting point and a destination point on the road map data set by the operating means and storing it as route data, and an enlarged view of an intersection based on the road map data. An enlarged map creating means, a route map creating means for creating a simplified diagram of the entire route based on the route data (hereinafter referred to as "route map"), and a screen of the display means divided into a predetermined number, The intersection that changes the course is selected based on the road map data and the route data, and the enlarged map creation means is made to create an enlarged map of the selected intersection, and the created intersection Enlarged view navigation apparatus characterized by comprising a control means for outputting to the display unit together with the route diagram. 4. A positioning means for positioning a vehicle, a map storage means for storing road map data, an enlarged view storage means for storing an enlarged view of an intersection in the road map data, the road map data, etc. Display means for displaying an image signal, operating means for performing data input operation, and a route connecting a starting point and a destination point on the road map data set by the operating means are set and stored as route data. The route setting storage means, the route diagram creating means for creating a simplified diagram of the entire route (hereinafter referred to as “route diagram”) based on the route data, and the screen of the display means are divided into a predetermined number, An intersection where the course is changed is selected based on the map data and the route data, the enlarged view of the selected intersection is read from the enlarged view storage means, and the read intersection is read. Navigation apparatus characterized by comprising a control means for outputting to said display means in conjunction enlarged view and with said route diagram. 5. The control means assigns a divided screen number to an enlarged view of an intersection output to the display means, and
The navigation device according to claim 3 or 4, wherein the same number is given to the position on the route map to which the enlarged view of the intersection corresponds.