JPH0757192A - Display system - Google Patents

Abstract

PURPOSE:To facilitate operation to search-for a proper mobile station by displaying the direction of an adjacent area where a mobile station is present unless the mobile station is in an enlarged and displayed area when a map screen is switched to an enlargement display. CONSTITUTION:Mobile station data signals 24 of respective mobile stations are supplied to the mobile station data storage part 22 of a map display device 3 from a communication controller 2. Further, a map data storage part 20 is stored previously with map data on operation areas of the mobile stations. When a base station operator selects a necessary area through a console panel 5, its data is sent to the map data storage part 20 and mobile station data storage part 22 through the communication controller 2. The data corresponding to the area that the operator has selected among all the stored data are read out and displayed at a display part 21. When the mobile station data are not found, mobile station data on an adjacent mobile station data are also read out to display the direction of the adjacent area and make a color-classified display showing the movement state of the mobile stations.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display system of a map display device in, for example, an AVM system (Automatic Vehicle Monitoring System).

[0002]

2. Description of the Related Art An AVM system is composed of a base station and a plurality of mobile stations, and the base station and each mobile station are connected by a wireless line. The base station collects data such as location information, dynamic information (for example, information indicating the vacant state or actual vehicle state), vehicle number, etc. of each mobile station via a wireless line, and collects the collected data in a predetermined manner. It is displayed on the display screen of the map display device together with the map data.

FIG. 4 is a diagram showing a configuration example of a base station of an AVM system. In the figure, 1 is a wireless device, 2 is a communication control device, 3 is a map display device, 4 is a district display device, and 5 is a console. Data such as location information, movement information, and vehicle number transmitted from each mobile station is received by the wireless device 1,
After predetermined data processing is performed by the communication control device 2, the data is supplied to the map display device 3 and the district display device 4. The map display device 3 displays the mobile station data and the map data representing the operating area of the mobile station on the display screen.

An example of the display on the map display device 3 is shown in FIG. As shown in FIG. 3, the area where the mobile station operates is divided into areas of a predetermined size in advance. In this example,
It is divided into 9 districts with district numbers C1 to C9. In the figure, 10-1 to 10-3 are mobile station data displays showing data such as location information of the mobile station, traveling direction, movement information, and vehicle number. The display 10-1 indicates that the vehicle No. 147 traveling in the south direction exists in the area C2. Similarly, display 10-2 indicates that there is a 160th car running in the east direction in the area C4, and display 10-
No. 3 indicates that there is Car 130 running in the northwest direction in District C9.

Further, the map display screen allows the map of the required area to be enlarged or reduced by switching the screen, which facilitates grasping the mobile station data on the map. For example, FIG. 3 shows a wide area display showing the entire operation area of the mobile station. By selecting the middle area selection switch provided on the console 5 of FIG. 4, the map screen is enlarged at a predetermined magnification. You can switch to the area display. Similarly, by selecting the narrow area selection switch, the map screen can be switched to a narrow area display with a higher magnification.
On the contrary, by switching the map screen display to the narrow area display and then selecting the middle area selection switch or the wide area selection switch, the map screen can be switched to the middle area display or the wide area display reduced by a predetermined magnification.

The operator of the base station switches the display screen to any one of the wide area, the middle area, and the narrow area in this way, and performs the vehicle dispatching operation based on the mobile station data displayed on the switched screen. FIG. 2 is a diagram showing a display method when the map screen is enlarged and displayed, and the area C in the wide area display of FIG.
5 is a display example when 5 is selected, the display is switched to the middle range display and enlarged. This display example shows that there is no mobile station in the area C5.

[0007]

In the above conventional display method, when the map screen is switched to the enlarged display,
If there is no mobile station in the enlarged area,
In order to select the area adjacent to the area where the mobile station does not exist and where the mobile station exists, the above map screen is temporarily switched from the enlarged display to the reduced display, and the area where the mobile station exists is confirmed on the reduced display screen. After that, it was necessary to select the area where the mobile station is located again and switch to the enlarged display. Therefore, the operation for searching for an appropriate mobile station is complicated and time-consuming, which has been a factor in deteriorating the dispatch efficiency.

The present invention has been made to solve the above problems, and when the map screen is switched to the enlarged display,
It is an object of the present invention to provide a display method capable of easily selecting an adjacent area where a mobile station exists even when there is no mobile station in the enlarged and displayed area.

[0009]

In order to achieve the above object, the present invention has a mobile station if there is no mobile station in the enlarged display area when the map screen is switched to the enlarged display. The direction of the adjacent area is displayed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.
Will be explained. FIG. 1 is a diagram showing an example of a display method during enlarged map display according to the present invention, showing a display example when the area C5 in the wide area display of FIG. 3 is selected and the map is enlarged by switching to the middle area display. is there. In the figure, 15-
1 to 15-3 are direction indications of adjacent areas where the mobile station exists. The direction display 15-1 indicates that the mobile station (vehicle 147) is present in the area north of the enlarged area C5, that is, in the area C2 in FIG. Similarly, the direction display 15-2 indicates the area C4 on the west side of the area C5.
On the other hand, the direction indicator 15-3 is the area C9 on the southeast side of the area C5.
The display shows that each mobile station exists.

The above-mentioned direction indications 15-1 to 15-3
By displaying in different colors according to the dynamics of the mobile station, the required mobile station can be easily identified and the dispatch efficiency can be further improved. For example, if the mobile stations in an empty state are displayed in white and the mobile stations in an actual state are displayed in different colors, the base station operator can quickly identify an empty vehicle and dispatch it.

FIG. 5 is a view showing an example of the operation buttons on the console according to the present invention. In the figure, 11 is a narrow area selection switch, 12 is a middle area selection switch, 13 is a wide area selection switch, and 14-1 to 14-9 are district selection switches. The arrangement of the area selection switches 14-1 to 14-9 corresponds to the divided areas on the map (for example, the areas C1 to C9 in FIG. 3). In FIG. 5, arrows and dots are written on the area selection switches 14-1 to 14-9, but they may be area numbers or the like, and in short, the arrangement corresponds to the divided areas on the map. Good. When, for example, the wide area selection switch 13 is selected from these selection switches, the indicator attached to the selected wide area switch 13 lights up, and the map display device displays a wide area display screen as shown in FIG. Is displayed.

When there is a vehicle allocation request in the area C5 and the base station operator selects the mid-range selection switch 12 and the area selection switch 14-5, the mid-range selection switch 12 and the area selection switch 14-5 are respectively selected. As the attached indicator lights up, the map display device switches to the mid-range display in which the map screen of the area C5 is enlarged by a predetermined magnification as shown in FIG. At this time, as shown in FIG.
Even if there is no mobile station in this area C5, the direction display 15-1 to the adjacent area where the mobile station is located is displayed on the map display screen.
15-3 is displayed, and the indicator attached to the area selection switch 14-5 (indicating that the area C5 is currently selected) on the operator console shown in FIG. Since the switches 14-1 to 14-9 correspond to the divided areas on the map (areas C1 to C9 in FIG. 3), the base station operator selects the area selection switch 14
If any one of -2, 14-4, and 14-9 is selected, the area where the mobile station exists (areas C2, C4, C in FIG. 3).
It is possible to instantly determine that 9) can be selected.

Although not shown because the drawing becomes complicated, the middle area is further divided into a plurality of detailed areas,
By selecting the narrow area selection switch 11 and the required area selection switch, when the map screen is switched to the narrow area display with a higher magnification, when there is no mobile station in this narrow area displayed area, Also, the present invention can be similarly applied.

FIG. 6 is a diagram showing an example of the configuration of the map display device. In the figure, 20 is a map data storage unit, 21
Is a display unit, 22 is a mobile station data storage unit, 23 and 25 are control signals, and 24 is a mobile station data signal. The mobile station data signal 24 indicating the location information, dynamic information, vehicle number information, etc. of each mobile station is transmitted from the communication control device 2 to the map display device 3.
Is stored in the mobile station data storage unit 22 and is temporarily stored therein. In addition, the map data storage unit 2 in the map display device 3
In 0, map data of the operating area of the mobile station is stored in advance. When the base station operator selects a required area with the selection switch provided on the console 5, the control signals 23 and 25 are respectively transmitted via the communication control device 2 to the map data storage unit 2
0 and the data stored in the map data storage unit 20 and the mobile station data storage unit 22 that are output to the mobile station data storage unit 22 and read out the data corresponding to the area selected by the operator. Each is displayed on the display unit 21.

In the present invention, when there is no mobile station data corresponding to the area selected by the operator, the mobile station data of the adjacent area which is not displayed on the screen is also read, and the read mobile station data of the adjacent area is read. Based on the above, the direction display of the adjacent area where the mobile station is present and the color-coded display showing the dynamics of the mobile station are performed, and the base station operator can move without performing a complicated display screen switching operation. You can instantly determine the district where the station is located.

In the above embodiments, the AVM system has been described as an example, but the present invention is not limited to this, and a map is displayed on a display screen of a car navigation system or the like, and the map is displayed on the map. It can be applied to all display methods for displaying mobile station data such as the location of the mobile station, and its application range is wide.

As described above, according to the present invention, the AVM
In a map display device of a base station in a communication system such as a system, when a desired area is selected and the map screen is switched to the enlarged display, even if there is no mobile station in the enlarged display area, the mobile area is moved. Since the adjacent area where the station is located can be identified and selected very easily, the operation of the base station operator becomes extremely simple, and therefore the dispatch efficiency can be significantly improved.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a display system during enlarged map display according to the present invention.

FIG. 2 is a diagram showing a conventional display method during enlarged map display.

FIG. 3 shows a wide area display

FIG. 4 is a block diagram showing the configuration of a base station of the AVM system.

FIG. 5 is a diagram showing an example of a selection switch of a console according to the present invention.

FIG. 6 is a block diagram showing an example of the configuration of a map display device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Radio device 2 ... Communication control device 3 ... Map display device 4 ... District display device 5 ... Operation console 10-1 to 10-3 ... Mobile station data display 11 ... Narrow area selection switch 12 ... Middle area selection switch 13 ... Wide area Selection switch 14-1 to 14-9 ... District selection switch 15-1 to 15-3 ... Direction display of adjacent area where mobile station is located 20 ... Map data storage unit 21 ... Display unit 22 ... Mobile station data storage unit 23, 25 ... Control signal 24 ... Mobile station data signal

Claims (2)

[Claims] 1. A display method in a display device for displaying a map showing a service area of a mobile station and displaying predetermined data of the mobile station, the display screen displaying a required area of the map in an enlarged or reduced manner. In the display method of the switchable display device, when the map display is switched to the enlarged display and no mobile station exists in the enlarged display area, the direction display of the adjacent area where the mobile station exists is performed. Characteristic display method. 2. A display method in a display device for displaying a map showing the operating area of a mobile station and displaying predetermined data of the mobile station, the display displaying a required area on the map in an enlarged or reduced manner. In the display system of the display device that can switch screens, when the above map display is switched to enlarged display,
When there is no mobile station in the enlarged display area, a direction display of an adjacent area where the mobile station exists and a color-based display for identifying the dynamic information of the mobile station are displayed. .