JPH09219000A - Navigation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation system with which the starting position and ending position of traffic jam or traffic regulations can be displayed and recognized by simple operations when the information of traffic jam or traffic regulations is displayed. SOLUTION: When it is detected by a detection circuit 14-1 that the traffic jam information or traffic regulation information is received, under the control of a display control circuit 14-2, the indication of a road map on the display screen of a display device 10 is updated from map display to a display picture containing either the starting position or the ending position based on the traffic jam information or the traffic regulation information. By pressing any one displayed terminal position, the map display is successively updated through the display containing the road of traffic jam or traffic regulation to a picture containing the other terminal position on the map display of the display device at every prescribed time under the control of a display control circuit 14-3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device, and more particularly to a navigation device that receives traffic information and displays a display based on the traffic information on a road map display.

[0002]

2. Description of the Related Art In a conventional vehicle-mounted or portable navigation device, a road map in which traffic information transmitted from a traffic information transmitting station is captured by a receiving device and a display based on the captured traffic information is displayed on a display device. Some are designed to be superimposed on the display.

[0003]

However, in the above-mentioned conventional navigation device, for example, when route information of traffic congestion or traffic regulation is displayed, the start position and the end position of traffic congestion or traffic regulation are displayed on the display screen. It does not always appear. For this reason, when a user wants to avoid a traffic congestion or a traffic regulation road while making a detour, the user scrolls the display area on the display screen up, down, left, and right to see the start and end positions of the traffic congestion and the traffic regulation. Must make a decision. This operation has a problem that it is complicated.

In addition, when the vehicle is traveling according to the route guidance searched for, the traveling route may have to be changed due to, for example, reception of traffic congestion information. Even in such a case, there is a problem that the same operation as described above has to be performed.

According to the present invention, when traffic congestion information or traffic regulation information is displayed, the start position of traffic congestion or traffic regulation,
An object of the present invention is to provide a navigation device in which the end position can be displayed and recognized by a simple operation.

[0006]

A navigation device according to the present invention is a navigation device which performs a road map display on a display device and a display based on traffic congestion information or traffic regulation information received by a traffic information receiving device. Detection means for detecting the reception of traffic congestion information or traffic regulation information, and the start or end based on the traffic congestion information or traffic regulation information on the road map display when the reception of traffic congestion information or traffic regulation information is detected by the detection means The first display control means for updating the road map display until one end position is included, and the other by the instruction for confirming the one end position displayed on the road map display based on the control of the first display control means. Until the road map display including the end position of the , The second to sequentially update the road map display
And a display control means of.

In the navigation device according to the present invention, when it is detected by the detecting means that the traffic congestion information or the traffic regulation information is received, one of the start end and the end based on the traffic congestion information or the traffic regulation information is displayed on the road map display. The road map display is updated under the control of the first display control means up to the display screen including the end position of.

On the road map display displayed under the control of the first display control means, one end position of the start end position or the end position based on the traffic congestion information or the traffic regulation information is included and displayed. Until the other end position is included in the road map display by the instruction to confirm the one end position, the road map display is controlled by the second display control means via the display including the traffic jam road or the traffic regulation road. It will be updated sequentially.

As a result, when reception of traffic congestion information or traffic regulation information is detected on the road map display, from the start or end based on the traffic congestion information or traffic regulation information to the end or start edge on the road map display. Since the roads to be reached are sequentially displayed on the display screen, the operator does not need to perform a complicated operation, and the detour road can be easily selected from this display.

In the navigation apparatus according to the present invention, the second display control means sets a plurality of intersection positions of consecutive intersections existing on the traffic jam road or the traffic regulation road to a predetermined position on the display screen. It is characterized by updating the display as it comes.

In the navigation device according to the present invention, the display screen is updated under the control of the second display control means, at a plurality of intersections which continuously exist on the traffic jam road or the traffic regulation road. Since the position is updated so as to come to the predetermined position on the display screen, the period until the end of updating is shortened, and the traffic jam road or the traffic restricted road from the start end to the end becomes clear.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a navigation device according to the present invention will be described. FIG. 1 is a block diagram showing a configuration of a navigation device according to an embodiment of the present invention, and illustrates a case of a vehicle-mounted navigation device.

A vehicle-mounted navigation device according to an embodiment of the present invention includes a CD-ROM 1 in which data for indicating a relationship between a plurality of map data and each map data and data for each map search are recorded. And a GPS signal receiving device 2 mounted on the vehicle for receiving signals from GPS satellites to measure the position and traveling direction of the vehicle, an angle sensor for detecting the relative moving direction of the vehicle, and the like. Positioning device 5 including a direction sensor 3 and a distance sensor 4 that detects a relative traveling distance of the vehicle, a buffer memory 6 that stores map data read from the CD-ROM 1 over a plurality of display ranges, and a CD. -Character generator 7 for displaying the characters corresponding to the character codes in the map data recorded in ROM1, and for scrolling the display screen and the next screen. Called PAGING for switching shown is capable constructed, and coordinate data as CD-ROM image memory map based on the map data recorded in the 9
Graphic display controller (hereinafter referred to as GDC) 8 for displaying on the display device 10 in cooperation with
And

The navigation device according to the embodiment of the present invention further includes a CPU 14, a touch panel 11 as an input device, a ROM 12 in which programs of the CPU 14 are stored, a work area, and temporary data such as data calculated by the CPU 14. It has a RAM 13 for storing.
Here, although the touch panel 11 is independently displayed,
The display device 10 may be a so-called touch screen in which a touch panel is overlaid on the display screen.

Based on a program stored in the ROM 12, the CPU 14 receives a signal from the GPS signal receiving device 2, a signal from the azimuth sensor 3 and a signal from the distance sensor, and calculates the vehicle position and the traveling direction of the vehicle. , CD-RO the map data of the predetermined range including the calculated own vehicle position
M1 is read and written in the buffer memory 6, the map data in the range where the vehicle position is at the predetermined display position on the display device 10 is read from the buffer memory 6, and GD is read.
Image memory 9 after controlling C8 and converting into image data
The character data corresponding to the character code in the map data is read from the character generator 7 and stored in the image memory 9, and the map and the character based on the image data and the character data stored in the image memory 9 are stored in the vehicle position. It is also displayed on the display device 10.

The image memory 9 has a plurality of screens such as a screen for displaying a vehicle position mark, a screen for displaying a map including roads, a screen for displaying characters, a screen for displaying traffic information, and the like. With the storage capacity for the screen, the display of each screen is superimposed and displayed on the screen of the display device 10 under the control of the CPU 14 and the GDC 8.

On the other hand, in the vehicle-mounted navigation device according to the present embodiment, traffic including traffic congestion information and traffic regulation information transmitted from traffic information transmission stations such as radio wave beacons, optical beacons, and FM multiplex broadcasting stations. A traffic information receiving device 15 for receiving information (also referred to as VICS data) is provided, and when the traffic information is received, the CPU 14
Under the control of 1., the received traffic information is temporarily stored in the buffer memory 6, it is determined whether the traffic information stored in the buffer memory 6 is traffic congestion information or traffic regulation information, and the display based on the traffic information is displayed by the GDC 8. The display information of the traffic jam road and the traffic regulation road is stored in the area for displaying the traffic information of the image memory 9 in cooperation with each other. Further, the traffic congestion information and the traffic regulation include the start end position information and the end position information, and the start end position information and the end position information are also included in the area for displaying the traffic information of the image memory 9 in the traffic congestion road. And display information of traffic regulated roads is stored.

In the CD-ROM 1, the road information includes intersections and roads connected to the intersections and is recorded as coordinate data together with map data.
The name of the intersection and the location of the road are recorded.

Further, the CPU 14 receives the traffic congestion information or the traffic regulation information by the detection circuit 14-1 which detects that the traffic congestion information and the traffic regulation information in the traffic information are received, and the detection circuit 14-1. A display control circuit 14 that updates the map display until it includes one end position of the start end or the end based on traffic congestion information or traffic regulation information on the map display displayed on the display device 10 when detected.
2 and by pressing the one end position displayed on the map display based on the control of the display control circuit 14-2 through the touch panel 11 until the map display including the other end position is displayed. A map including a traffic jam road or a traffic regulation road so that a plurality of intersections of consecutive intersections on the traffic jam road or the traffic regulation road come to a predetermined position on the display screen of the display device 10. A display control circuit 14-3 is provided functionally to update the map display sequentially at predetermined intervals via the display.

Here, the detection circuit 14-1 corresponds to the detection means, the display control circuit 14-2 corresponds to the first display control means, and the display control circuit 14-3 corresponds to the second display control means. It corresponds.

The operation of the navigation device according to the present embodiment configured as described above will be described based on the flowcharts shown in FIGS. 2 and 3.

In the navigation device according to the present embodiment, the position of the vehicle and the traveling direction of the vehicle are measured every predetermined period. More specifically, in positioning the vehicle position and the traveling direction of the vehicle, the vehicle position and the traveling direction of the vehicle based on the signal from the GPS signal receiving device 2 are based on the signals from the azimuth sensor 3 and the distance sensor 4. The position of the vehicle and the moving direction of the vehicle are corrected by the correction based on the traveling direction.

Next, based on the corrected vehicle position and the vehicle moving direction, the CD-ROM 1 is searched for map data which includes the vehicle position and is a plurality of times larger than the display range on the display device 10. It is output and stored in the buffer memory 6. The map data stored in the buffer memory 6 is stored in the image memory 9 under the control of the CPU 14 and the GDC 8 after the map data including the road in the range where the own vehicle position is located at a predetermined position is converted into image data. It Further, the character data corresponding to the character code displayed together with the display based on the stored image data is read from the character generator 7 and stored in the image memory 9, and the mark indicating the vehicle position is stored in the image memory 9. Then, the map including the road, the characters, and the vehicle position mark are displayed in a superimposed manner on the display device 10. In this display, the map including the road, the character and the vehicle position, and the vehicle moving direction are updated and displayed on the display device 10 every time the vehicle position and the vehicle moving direction are measured.

In this state, when traffic information is received, traffic information reception is detected (step S1), and the received traffic information is stored in the buffer memory 6 (step S).
2). The traffic information is provided with an identification code for identifying whether it is traffic congestion information, traffic regulation information, or other information such as parking lot information. Based on the identification code, it is checked whether the received traffic information is traffic congestion information or traffic regulation information (step S3).
When it is determined in the check in step S3 that the traffic information received is neither traffic congestion information nor traffic regulation information, the following routine is executed.

When it is determined in step S3 that the information is traffic congestion information or traffic regulation information, the road subject to the traffic congestion information or traffic regulation information is the display device 1
It is checked whether or not it exists in the display screen of 0 (step S4). If it is determined in step S4 that the road subject to the traffic congestion information or the traffic regulation information does not exist on the display screen of the display device 10, the display device 10
Is displayed on the screen as to whether or not the user wants to display the road subject to the traffic congestion information and the traffic regulation information (step S5).

When it is determined in step S4 that the road subject to the traffic congestion information and traffic regulation information is present in the display screen of the display device 10, the traffic congestion is displayed on the screen of the display device 10 following step S4. It is checked whether or not there is a display of the start position or the end position of the road which is the target of the information and traffic regulation information (step S).
6). If it is determined in step S6 that the display of the traffic congestion information or the traffic regulation information does not include the display of the start position or the end position of the road, the top display position of the next screen or the previous screen. Is designated and the next screen or the previous screen is displayed on the display device 10, and the paging is updated until the start position or the end position of the road subject to the traffic congestion information and the traffic regulation information is displayed on the screen of the display device 10. Is performed (step S7).

In step S7, it is determined whether the next screen or the previous screen is to be paging.
Paging is performed from the current display screen in the direction close to the start position or the end position of the road subject to the traffic congestion information and the traffic regulation information. Also, from the current display screen, specify the top display position of the display screen that includes the start end position or the end position of the road subject to traffic congestion information and traffic regulation information, and target the traffic congestion information or traffic regulation information all at once. The display may be changed to a display screen that includes the start position or the end position of the existing road. The traffic jam information and the traffic regulation information include information for displaying the start and end of the target road, and the start and end displays are displayed on the screen of the display device 10 based on this information. Done.

In step S5, the display position of the touch panel 11 is changed to the desired display position based on the display of whether or not the road targeted by the traffic congestion information and the traffic regulation information is desired to be displayed on the screen of the display device 10. When a display instruction is given by touching with a finger, step S6 is executed after step S5. When the display position indicating that the display is not desired is touched in step S5, the following routine is executed following step S5.

If it is determined in step S6 that the start or end position of the road subject to the traffic congestion information or the traffic regulation information is displayed on the screen of the display device 10, the traffic congestion information or the traffic regulation is displayed. For example, the display shown in FIG. 4 or 5 is displayed on the screen of the notation device 10 based on the information for displaying the start and end of the road included in the information target. FIG. 4 illustrates a case where the end position is displayed, and FIG. 5 illustrates a case where the end position is displayed. 4 and 5, the solid line in the frame indicates the display of the road, the broken line is displayed along the road that is the target of the traffic congestion information and the traffic regulation information, and indicates that the road is the target road. There is.

In step S6, when the start display of the road subject to the traffic congestion information or the traffic regulation information is displayed on the screen of the display device 10, the start display position in the display screen is displayed for confirmation. Touched (step S
8). In step S6, the end display of the road subject to the traffic congestion information or the traffic regulation information is displayed on the display device 1
When it is done on the screen of 0, the end display position in the display screen is touched for confirmation instruction (step S18).
When neither the start end position nor the end position is touched by the finger, the following routine is executed.

When the start edge display position on the display screen of the display device 10 is touched in step S8, the S flag is set (step S9). From the display screen of the display device 10 in which the start position is displayed following step S9, in the direction opposite to the direction based on the flag set in step S9, that is, in this case, toward the end position, Traffic congestion road or traffic regulation so that a predetermined plurality of intersection positions of intersections continuously existing on the traffic congestion road or the traffic regulation road come to a predetermined position on the display screen of the display device 10. The scroll for updating the map display is sequentially performed at predetermined intervals through the map display including roads (step S10). In FIG. 3, it is described as screen scrolling by a predetermined amount.

Following step S10, it is checked whether or not the S flag is set (step S1).
1). In this case, since the S flag is set in step S9, it is determined that the S flag is set in step S11, and the end position is set to the display device 1.
It is checked whether or not it is displayed in the display screen of 0 (step S12), and when it is determined that it is not displayed, step S10 is executed after step S12.
That is, in this case, until the map display including the end position is displayed on the screen of the display device 10, a plurality of intersections that continuously exist on the traffic jam road or the traffic regulation road toward the end position. Display device 1 at th intersection
The display screen will be sequentially updated at predetermined time intervals via a map display including traffic jam roads or traffic restricted roads so that the display screen will be at a predetermined position on the display screen of 0.

When it is determined in step S12 that the map display including the end position is displayed on the screen of the display device 10, the S flag is reset following step S12 (step S13) and the next routine is executed. It

When the end display position on the display screen of the display device 10 is touched in step S18, the E flag is set (step S19). From the display screen of the display device 10 in which the end position is displayed following step S19, in the direction opposite to the direction based on the flag set in step S19, that is, in this case, toward the start position, Traffic congestion road or traffic regulation so that a predetermined plurality of intersection positions of intersections continuously existing on the traffic congestion road or the traffic regulation road come to a predetermined position on the display screen of the display device 10. The scroll for updating the map display is sequentially performed for each predetermined period through the map display including the road (step S10).

Following step S10, it is checked whether or not the S flag is set (step S1).
1). In this case, since the S flag is not set, it is checked after step S11 whether or not the E flag is set (step S21). In this case, since the E flag is set in step S19, it is determined in step S21 that the E flag is set, and it is checked whether or not the starting end position is displayed on the display screen of the display device 10 ( (Step S22), if it is determined that the image is not displayed, then Step S22 is followed by Steps S10, S11, S21, S.
Step 22 is executed. That is, in this case, until the map display including the start position is displayed on the screen of the display device 10,
In the direction of the starting point position, the traffic is adjusted so that a plurality of intersections that continuously exist on the traffic jam road or the traffic regulation road come to a predetermined position on the display screen of the display device 10. The display screen will be sequentially updated at predetermined time intervals via a map display including a traffic jam road or a traffic restricted road.

When it is determined in step S22 that the map display including the start position is displayed on the screen of the display device 10, the E flag is reset (step S23) following step S22 and the next routine is executed. It

In the above-described embodiment, the case where the touch panel 11 is used as the input means has been illustrated, but a confirmation instruction is given in steps S8 and S18 by remote control using a joystick or the like instead of the touch panel. For confirmation, the cursor may be moved to the start end display position or the end end display position that is displayed for the confirmation instruction.

[0038]

As described above, according to the navigation device of the present invention, when displaying traffic congestion information or traffic regulation information, the start and end positions of traffic congestion and traffic regulation are minimized for the user. There is an effect that can be displayed and recognized by a simple operation of. Further, even when the navigation device according to the present invention is mounted on a vehicle, the traffic congestion information, the end position based on the traffic regulation information, the start position and the traffic congestion information between the traffic congestion information and the road based on the traffic regulation information can be easily obtained without hindering driving. The effect of being able to display a map is obtained, and further, the effect of being able to avoid a large detour even when the traffic route is changed based on traffic information is obtained.

[Brief description of drawings]

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

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

FIG. 3 is a flowchart for explaining the operation of the navigation device according to the embodiment of the present invention.

FIG. 4 is a schematic diagram showing an example of a display used for explaining the operation of the navigation device according to the embodiment of the present invention.

FIG. 5 is a schematic diagram showing another example of a display for explaining the operation of the navigation device according to the embodiment of the present invention.

[Explanation of symbols]

 1 CD-ROM 5 Positioning Device 6 Buffer Memory 7 Character Generator 8 GDC 9 Image Memory 10 Display Device 11 Touch Panel 12 ROM 13 RAM 14 CPU 14-1 Detection Circuit 14-2 and 14-3 Display Control Circuit 15 Traffic Information Receiving Device

Claims (2)

[Claims] 1. A navigation device for displaying a road map on a display device and a display based on traffic congestion information or traffic regulation information received by a traffic information receiving device, and detecting reception of traffic congestion information or traffic regulation information. When the detection means and the reception of the traffic congestion information or the traffic regulation information are detected by the detection means, the road map display is displayed on the road map display until the traffic congestion information or the one end position based on the traffic regulation information is included. Until the first display control unit to be updated and the one end position confirmation instruction displayed on the road map display based on the control of the first display control unit, the road map display including the other end position is made. A second display control means for sequentially updating the road map display via the road map display including the traffic jam road or the traffic restricted road. Navigation device according to claim that there were example. 2. The navigation device according to claim 1, wherein the second display control means predetermines on the display screen a plurality of intersection positions of intersections continuously existing on the traffic jam road or the traffic regulation road. A navigation device characterized in that the display is updated so that the display is brought to a desired position.