JPH07191601A - On-vehicle map display device - Google Patents

Abstract

PURPOSE:To select and display a desired facility nearest a route to a present place or final destination by an on-vehicle map display device. CONSTITUTION:A facility extracting means 2 extracts the corresponding facilities from map data 3 when the desired facility is inputted thereto by an input means 1. A distance deciding mans 4 calculates the distances between the respective extracted facilities and the present place, etc., and compare these distances, thereby determining the facility nearest the present place. This facility is display on a display means 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted map display device which displays a current position and map information and guides a route to a destination.

[0002]

2. Description of the Related Art In a conventional vehicle-mounted map display device,
It is equipped with map data that has various information about landmarks such as place names, roads, railways, and buildings, and display means that displays information such as these landmarks and routes. When you specify the location or name of the destination, , The route from the present location or an arbitrary starting point (hereinafter referred to as “present location etc.”) to the destination is displayed on a monitor which is a display unit and is guided.

[0003]

However, in the above conventional vehicle-mounted map display device, it is necessary to specify the destination by designating the position or name of the destination. Therefore, if you do not remember the proper name of the destination, you may not be able to specify the destination by the position or the name of the destination, or there are multiple facilities of the same type (for example, post office). When it is possible to use any facility to achieve the purpose, it is sufficient if it is convenient for moving, and it may not always be possible to specify appropriately by the destination position or name designation. There was a problem.

Further, even in the conventional vehicle-mounted map display device described above, when it is desired to stop at some facilities before reaching the final destination, it is possible to provide route guidance by designating a waypoint. , There was a problem that the facility closest to the route to the specified destination could not be selected and displayed.

The present invention solves such a conventional problem, and when the type of facility is designated, the facility near the present location or the starting point or the facility on the route to the final destination is searched for or arbitrarily selected. It is an object of the present invention to provide an excellent vehicle-mounted map display device capable of searching for a facility that satisfies the condition (1) and displaying and guiding a route to the facility.

[0006]

In order to achieve the above-mentioned object, a map display device of the present invention comprises an input means for inputting a facility to be traveled, and the input facility and the present location or an arbitrary starting point. It is provided with a distance calculating means for calculating an actually measured distance or a time distance and a comparing means for comparing the calculated results.

Further, input means for inputting the type and condition of the facility to be traveled, and distance calculation for calculating the measured distance or time distance between the facility corresponding to the input type and condition and the current location or an arbitrary starting point And means for comparing the calculation results.

Further, the input means for inputting the final destination and the facility to be traveled, the determining means for determining the route to the input final destination, the determined route and the input facility. The distance calculating means for calculating the actually measured distance or the time distance and the comparing means for comparing the calculated results are provided.

[0009]

Therefore, according to the map display device of the present invention,
Based on the comparison result by the comparison means that compares the calculation results by the distance calculation means, the route guidance from the current location to the destination facility that can reach the earliest or the route to the final destination or the destination facility closest to the route Route guidance can be provided.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the configuration of the first embodiment of the present invention. In FIG. 1, the user specifies an intended facility by using the input means 1 such as a touch panel or a keyboard. Based on this designation, the facility extraction means 2
Extracts from the map data 3 one or a plurality of facilities corresponding to the designated type. The distance determining unit 4 calculates the distance between each facility extracted by the facility extracting unit 2 and the current location based on the map data 3 and compares them to determine the facility closest to the current location. Based on this determination, the display means 5 displays and guides the route from the starting point to the facility determined by the distance determination means 4 based on the map data 3. As described above, according to the first embodiment, even if the exact name of the destination is not known, by designating the type of the target facility, the facility of the designated type closest to the current location can be obtained. You can guide the route.

In this embodiment, it is the simplest to simply calculate the distance between the target facility and the current location, etc., using coordinates or the like, but it is necessary to provide road congestion information or traffic volume information. By calculating the temporal distance by using the method, it is possible to more accurately guide the driver to the destination.

FIG. 2 shows an operation example in the first embodiment. First, the type of facility to be selected is displayed on the display means 5. Designate the type of facility for this display. For example, if you specify it as a post office, the map data 3 will be searched for post offices near your current location 7,
Calculate the distance to each post office. By comparing the distances calculated in this way, the post office 10 closest to the current position 7 is determined, and the route 11 to the post office 10 is guided.

FIG. 3 shows a second embodiment of the present invention. Detailed information data 6 having detailed information of each facility is added to the first embodiment. With such a configuration, it is possible to display the detailed information about the facility detected by the facility extracting unit 2 on the display unit 5.

FIG. 4 shows an operation example in the second embodiment of the present invention. First, similar to the first embodiment, the type of each facility is designated by the input means 1 as, for example, a gas station. Detailed information about each facility designated based on the designation is displayed on the display unit 5. With respect to the information displayed in this way, the conditions regarding the facility, for example, "business hours from 20:00 to 24:00" are designated. With respect to the facilities satisfying the conditions specified as described above, the distance determining means 4 calculates and compares the distance from the current location and the like, and determines the facility closest to the current location. As a result, it is possible to display and guide the route to the facility closest to the present location, which is a gas station that is open 24 hours a day or late at night and is also open between 20 and 24:00.

Next, a third embodiment will be described with the same configuration as the second embodiment. Furthermore, the final destination is input by the input means 1. Based on such input, after determining the route from the present location to this final destination, only the target facility as in the first embodiment or the target facility as in the second embodiment And enter the conditions. The distance determining means 4 calculates the distance between each extracted facility and the route, and determines the facility on or closest to the route. With this configuration, it is possible to search for a destination / facility on or near the route to the final destination, and display and guide the route leading to the facility.

The destination / facility designated in the third embodiment can be provided in a plurality of cases, and the order of stopping at these destinations / facility can be entered. Accordingly, it is possible to display and guide the closest facilities existing on the route to reach the destination, based on the designated order, the routes to stop at these facilities.

Furthermore, as a fourth embodiment of the present invention, a plurality of relevant facilities are displayed for a designated facility without selecting the closest facility by the distance determining means 4 as in the first embodiment of the present invention. Then, the user can arbitrarily select the facility. That is, the fourth aspect of the present invention
In this embodiment, the distance determining means 4 according to the first embodiment of the present invention is not provided, so that an arbitrary facility of interest is first designated by, for example, a department store and the input means 1. Based on the designation, the facility extraction means 2 searches the map data 3 for a relevant facility (department store) near the current location. When there are multiple searched facilities, individual facility names such as A department store, B department store,
.., F department store, and each position is displayed on the display means 5. When the user selects a desired department store from the facilities displayed in this way according to his or her preference, the display means 5 displays and guides the route to the department store or the route to the parking lot of the department store. be able to.

A fifth embodiment will be described with the same configuration as the fourth embodiment. First, similarly to the fourth embodiment, the type of each facility is designated by the input means 1 as, for example, a post office. With respect to the facility designated based on the designation, the facility (post office) near the current location is searched from the map data 3. When there are a plurality of searched facilities, the route to each facility is specified and each position is displayed on the display unit 5. When the user refers to such a route and selects a facility that is convenient for himself, such as a post office that can be reached only by using a wide street, the display means 5 is displayed.
Can leave the route to the post office, erase other routes, and display and guide the route.

[0019]

As is apparent from the above-described embodiment, the present invention can be applied to the case where the proper name of the destination is not remembered or where there are a plurality of facilities of the same type (for example, post office). , It becomes possible to properly instruct and guide a predetermined destination.

Further, it is also possible to display and guide an appropriate route for passing through the destination / facility, which is on or closest to the route to the final destination.

Further, even when it is desired to stop at some facilities before reaching the final destination, display guidance including these can be provided.

Furthermore, it is possible to appropriately select and guide the facility that suits the user's preference from the facilities of the same type.

[Brief description of drawings]

FIG. 1 is a schematic block diagram of a vehicle-mounted map display device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing an operation of the vehicle-mounted map display device according to the first embodiment of the present invention.

FIG. 3 is a schematic block diagram of a vehicle-mounted map display device according to a second embodiment of the present invention.

FIG. 4 is a diagram showing the operation of the vehicle-mounted map display device according to the second embodiment of the present invention.

[Explanation of symbols]

 1 Input Means 2 Type / Condition Judgment Means 3 Map Data 4 Distance Judgment Means 5 Route Guidance Means 6 Detailed Information Data 7 Current Location 10 Post Office 11 Routes

Claims (4)

[Claims] 1. A comparison for comparing the calculation results with an input means for inputting a facility to be traveled, a distance calculation means for calculating a measured distance or a time distance between the input facility and the current location or an arbitrary starting point. A vehicle-mounted map display device that includes means, and provides route guidance to a destination facility that can be reached earliest from the current location or an arbitrary start point based on the comparison result. 2. An input means for inputting a type and a condition of a facility to be traveled, and a distance calculation for calculating an actually measured distance or a time distance between the facility corresponding to the inputted type and condition and the present location or an arbitrary starting point. A vehicle-mounted map display device comprising means and comparison means for comparing the calculation results, and based on the comparison results, guides a route to a destination facility that can be reached earliest from the current position or an arbitrary start point. 3. An input means for inputting a final destination and a facility to be traveled, a determining means for determining a route to the input final destination, a determined route and the input facility. Based on the comparison result, the route guidance to the final destination or to the destination facility closest to the route is provided, based on the comparison result. In-vehicle map display device that performs 4. An input means for inputting a facility to be traveled, a display means for displaying the name and positional relationship of the input facility, and a desired facility from the displayed plurality of facilities. An on-vehicle map display device that includes selection means for selecting and provides route guidance to a destination facility based on the selection.