JP2002090169A - Navigation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation device capable of easily noticing facilities existing in a region shown by a cursor during execution of map scroll. SOLUTION: The facilities positioned in the region shown by the cursor CR on a map MP displayed on a display screen DSP, and a facility name list LST is displayed. Following the change of the region shown by the cursor resulted from scrolling on the map, names of the facilities positioned in the region shown newly by the cursor are displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device that displays a map and a cursor and is capable of scrolling and displaying the map, and more particularly to a navigation device that displays a facility name located in an area indicated by a cursor on a map.

[0002]

2. Description of the Related Art A navigation device that provides guidance of a vehicle so that a driver can easily arrive at a desired destination is detected by detecting the position of the vehicle and using a CD-ROM or DVD-R.
The map data around the vehicle position is read from the map information storage medium such as the OM, the map is displayed on the display screen, and the vehicle position mark (own vehicle position mark) is displayed at a predetermined position on the map. Further, the navigation device, as the current position changes due to the movement of the vehicle, to move the vehicle position mark on the screen, or to scroll the map by fixing the vehicle position mark at a predetermined position such as the center of the screen, The map information around the vehicle position is always understood at a glance.

[0003] Usually, a navigation device is equipped with a route guidance function that allows a user to easily travel to a desired destination without making a mistake on a road. According to this route guidance function, the lowest cost route from the starting point to the destination using the map data is automatically searched by performing a simulation calculation such as the horizontal search method or the Dijkstra method, and the searched route is guided. The route is stored as a route, and during driving, the guidance route is displayed in a different color from the other roads in a thicker color and displayed on the screen, and an arrow indicating the route is displayed at the intersection on the guidance route where the route should be changed. The user is guided to the destination by drawing and displaying the screen.

To set a destination, a map of a desired area is displayed on a screen, and the cursor is set at a point to be set as the destination and the enter key is pressed to set the destination.
A destination is searched from an address, a telephone number, a facility name, a genre, and the like, and a map including a desired point is displayed to set the destination.

[0005]

By the way, when displaying a map around the destination by scrolling operation and setting the destination, if the destination is far from the current position, the scale of the map is changed to a wide area, When a map is scrolled to a desired area and a wide-area map of an approximate area including the destination is displayed, the map scale is changed in detail to search for a desired point, and the destination is set.

When it is desired to know what facilities are located in the area indicated by the cursor while scrolling the map, it is necessary to change the scale of the map display in detail and check. Even when searching for the desired point of the user by scrolling, if the map display is a wide area map, to check what is in the area indicated by the cursor, change the scale to the detailed map each time, check it, In some cases, the user must change the scale to scroll again and perform the scrolling operation and the map scale switching operation many times before searching for a desired facility. Also, if you perform a scroll operation while keeping the map scale in detail, you can scroll the map while checking the facility name on the map, but if you scroll on the detailed map, it will take time to scroll to the desired point. In some cases, it is difficult to understand the direction of a desired point while scrolling with the detailed map.

Accordingly, it is an object of the present invention to provide an in-vehicle navigation device which allows a user to easily know a facility located in a region indicated by a cursor on a map while scrolling the map.

Another object of the present invention is to provide an in-vehicle navigation device capable of displaying a list of facilities located in an area indicated by a cursor while scrolling on a wide area map and selecting a destination from the list. That is.

[0009]

According to the present invention, there is provided a navigation apparatus capable of displaying a map by scrolling, wherein a display means for displaying a map and a cursor and a map displayed on the display means are scrolled. Scrolling means, map information storage means for storing the names and positions of the facilities in association with each other, and displaying the names of the facilities located in the area indicated by the cursor on the map on the display means during the scrolling of the map by the scrolling means. This is achieved by a navigation device provided with a display control means for causing the navigation device to perform the control.

That is, with the above-described configuration, the facility located in the area indicated by the cursor can be displayed while scrolling the map, and the desired facility can be easily searched.

According to the present invention, there is further provided a facility selecting means for selecting one of a plurality of facilities located in a region indicated by a cursor displayed by the display means, The means is achieved by an in-vehicle navigation device that causes the display control means to display a detailed map showing the facility selected by the facility selecting means and its surroundings.

That is, with the above-described structure, when one of the facilities located in the area indicated by the cursor on the map is selected, a detailed map centering on the selected facility is displayed. Can be.

Further, according to the present invention, the above object further comprises means for storing a facility by dividing it into a plurality of genres, and genre designating means for designating a genre, wherein the display control means comprises: This is achieved by an in-vehicle navigation device that causes the display means to display facilities belonging to the genre designated by the genre designation means among the facilities located in the genre.

That is, with the above-described configuration, only the facilities belonging to the specified genre can be displayed in a list among the facilities located in the area indicated by the cursor.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (a) Schematic Description FIG. 1 is a schematic explanatory diagram of a vehicle-mounted navigation device according to the present invention when a map is displayed. In the figure, DSP is a display screen, MP is a map display, CR is a cursor, L
ST is a facility list display in the cursor.

When the user scrolls the map by operating the joystick or the like of the operation unit, the name of the facility located in the rectangular area indicated by the cursor CR on the map display MP is displayed as shown in FIG. It is displayed in the list display LST. When the user scrolls the map by operating the joystick provided on the operation unit, the map area displayed on the map display MP is scrolled as shown in FIG. Since the facility located in the area indicated by the cursor CR on the map display MP changes, the facility name in the facility list LST also newly displays the name of the facility located in the cursor CR.

As shown in FIG. 2A, when a facility desired by the user is displayed in the facility list display LST, the user operates a facility selection key provided on the operation unit to display the facility list LST. Displays a facility selection cursor LCR.
When the facility name list of FIG. 2A is displayed,
When the cursor LCR is placed on the desired facility name and the enter key is pressed, a detailed map centering on the selected facility is displayed as shown in FIG. 2B. Further, a menu MN is displayed for the facility indicated by the cursor CR. Menu MN includes “Destination”, “Registration”, “Transit”,
There are items such as "Details" and "Return". When setting the point indicated by the cursor as the destination, "Destination", when storing it as a registered point, "Spot registration", and when setting it as a transit point "Departure point", if you want to know the detailed information of the facility, "details", if you want to return to the previous screen, "return"
Will be selected for each item.

When the "destination" is selected and determined, the navigation device searches for a route from the current vehicle position to the set destination, and stores the guide route in the guide route memory. If "Registration" is selected,
The point indicated by the cursor is stored in the registered point memory together with the name, and when "intermediate point" is selected, the point indicated by the cursor is set as the intermediate point. When “details” is selected, detailed information of the facility indicated by the cursor CR,
For example, detailed information about the facility, such as an address, a telephone number, and the business hours of the facility, is displayed.

(B) Configuration of the Navigation Apparatus FIG. 3 is a configuration diagram of a main part of the navigation apparatus according to the present invention. In FIG. 1, reference numeral 11 denotes a map information storage medium storing map data, for example, a DVD-ROM, and 12 denotes a DV.
DVD that controls reading of map information from D-ROM
A ROM reading control unit 13 is a position measuring unit that measures the current position of the vehicle, and includes a distance sensor 13a that detects a moving distance of the vehicle, a gyro 13b that detects a moving direction, and a GPS.
The receiver 13c includes a position measurement CPU (not shown) and the like.

Reference numeral 14 denotes a map information memory for storing map information read from the DVD-ROM, reference numeral 15 denotes a guide route memory for storing set guide routes, and reference numeral 16 denotes a control unit for controlling the entire navigation device. By controlling the read control unit 12, the map information around the vehicle is read from the DVD-ROM 11 and stored in the map information memory 14, or a route to the set destination is searched and stored in the guidance route memory 15, The guidance is provided according to the stored guidance route, and the map is scrolled according to the user's instruction.

Reference numeral 17 denotes an operation unit for performing an operation of enlarging / reducing a map, an operation of scrolling a map, an operation of setting a destination, an operation of selecting a menu, and the like. Reference numeral 18 denotes a display controller that generates a map image based on the map information and controls display of various information, 19 denotes a display device, and 20 denotes a bus.

The DVD-ROM 11 stores various kinds of information in addition to the map data, and stores information on the facilities in association with the facilities on the map. For example,
The address, the name of the facility, the telephone number, the genre to which the facility belongs, and the like are stored. The name of the main facility is stored in association with the location of the facility, and the facility located in the area of the cursor can be searched on the wide area map. As shown in FIG. 5, the name of the main facility, the position (longitude, latitude) of the facility, the genre to which the facility belongs, and the like are stored in association with each other.

The control unit 16 scrolls the map display according to the operation direction of the joystick or the like provided on the operation unit 17 by the user, and displays the name of the facility located in the area indicated by the cursor on the map. Or When one facility is selected from the list of facilities located in the area indicated by the cursor, the display is switched to a detailed map display centering on the selected facility. When the detailed map is displayed, a destination setting and a point registration menu are displayed, and the destination setting and the point registration are performed according to a user's selection operation.

As described with reference to FIG. 1, the facilities located within the range indicated by the cursor on the map display are stored in the DVD-ROM 11
, The facility name in the cursor is displayed on the display screen, and as the facility located in the cursor is changed by scrolling the map, the facility name list in the cursor is updated and displayed. That is, regardless of the scale of the map display, the facility in the area indicated by the cursor can be easily known. When one of the facilities is displayed, the map display scale is changed to display a detailed map centering on the selected facility. Looking at the displayed facility surrounding map, if it is not the desired area, select "Return" in the menu MN to return to the previous screen, scroll again and move the cursor position. The map can be scrolled while displaying the facility within the cursor.

(C) Operation Flow FIG. 4 is a diagram showing a map scroll operation flow of the navigation device of the present invention. Here, a wide area map is displayed on a display screen, and an example is shown in which a map is scrolled to search for a desired point.

First, it is determined whether or not the user has operated the joystick provided on the operation unit 17 while the map is being displayed on the display screen (step S1).
01).

In step S101, the user operates the operation unit 17
Is operated, the control unit 16 controls the DVD-R0M read control unit 12 to operate the DV-R0M.
The map data in the operated direction is read out from the D-ROM 11, and the display controller 18 generates a map image in the direction input by the joystick and scrolls the map (step S102). Next, step S1
Return to 01 and if the joystick has been input,
Continue scrolling the map.

If the user does not operate the joystick in step S101, the control unit 16 searches for a main facility located within the rectangular area indicated by the cursor on the map displayed on the display device 19 (step S10).
3) Control the display controller 18 to display a list of the plurality of facilities searched in step S103 on the display device 19 together with the map (step S10).
4).

Next, the control unit 16 judges whether the user operates the operation unit 17 and selects one from the list of main facilities located in the cursor displayed in step S104 (step S105). ).

If the user does not select a facility from the facility list in step S105, step S101
And the process from step S101 to step S105 is repeated.

In step S105, when the user selects one facility from the facility list display, the control unit 16 displays a peripheral map centering on the selected facility on the DVD-ROM.
11 and a detailed map centering on the selected facility is displayed on the display device 19 (step S1).
06).

In this manner, when a wide area map is displayed and scrolled, the facility located in the area indicated by the cursor can be known, and a desired point can be easily searched.

In the description of the above embodiment, the facilities located in the area indicated by the cursor are displayed in a list when the scroll operation is stopped. May be displayed in a list. By doing so, it is possible to find out the facility in the area indicated by the cursor while searching for a desired point and performing a scroll operation, and it is possible to easily search for the desired point by the scroll operation.

The size of the cursor displayed on the map may be changed according to the user's preference.
In addition, although the shape of the cursor has been described as a rectangle, the shape of the cursor is not limited to a rectangle, and may be a circle, an ellipse, or the like.

Alternatively, the genre of the facility to be displayed in the list may be specified in advance, and only the facilities belonging to the specified genre located in the area indicated by the cursor may be displayed in the list. In this case, the location and name of the facility and the genre to which the facility belongs are stored in the DVD-ROM 11 in association with each other. FIG. 6 is a diagram showing a display example when a scroll operation of the present invention is performed by designating a genre. As shown in FIG. 6, for example, when the map is scrolled after specifying the genre as “entertainment”, among the facilities located within the area indicated by the cursor CR on the map, the facilities belonging to the genre belonging to “entertainment” Is displayed in the facility list display LST. With this configuration, only the facilities desired by the user are displayed in the facility list display LST during scrolling, and the number of facilities displayed in the list is reduced because the names of unnecessary facilities are not displayed. When searching for a desired point, an easy-to-understand display can be provided.

The present invention has been described with reference to the embodiments.
The present invention can be variously modified in accordance with the gist of the present invention described in the claims, and the present invention does not exclude these.

[0037]

As described above, according to the present invention, facilities located in the area indicated by the cursor on the map display are displayed together with the map, which is convenient when searching for a desired point by scrolling the map. In particular, when searching for a desired point by scrolling on a wide area map, switch to a detailed map at each point of concern during scrolling and know the facility in the area indicated by the cursor without confirming the name of the facility It is convenient.

Further, according to the present invention, a list of facilities located in the area indicated by the cursor is displayed, and when one of the facilities is selected, a detailed map centering on the selected facility is displayed. Therefore, a detailed map centering on the selected facility can be conveniently displayed by simply scrolling the wide area map and selecting a desired facility from the facility list display.

Further, according to the present invention, only the facilities belonging to the genre designated in advance are displayed among the facilities located in the area indicated by the cursor, so that a desired facility can be easily searched by scrolling the map. Becomes possible.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory diagram of a map scroll according to the present invention.

FIG. 2 is a schematic explanatory diagram of a map scroll according to the present invention.

FIG. 3 is a diagram illustrating a configuration of a navigation device.

FIG. 4 is a diagram showing an operation flow at the time of scrolling a map.

FIG. 5 is a diagram illustrating facility information stored in map data.

FIG. 6 is a diagram illustrating a display example when a map is scrolled when a genre is specified.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... DVD-ROM 12 ... DVD-ROM read control part 13 ... Position measurement part 14 ... Map information memory 15 ... Guidance route memory 16 ... Control part 17 ... Operation part 18 display controller 19 display device

Claims (3)

[Claims] 1. A navigation device capable of scrolling and displaying a map, wherein a display means for displaying a map and a cursor, a scroll means for scrolling the map displayed on the display means, and a name and a position of the facility correspond to each other. And a display control means for displaying, on the display means, a name of a facility located in an area indicated by the cursor on the map while the map is being scrolled by the scroll means. Navigation device. 2. A facility selecting means for selecting one of a plurality of facilities located in a region indicated by a cursor displayed by the display means, wherein the display control means selects the facility by the facility selecting means. 2. The navigation device according to claim 1, wherein a detailed map showing the selected facility and its surroundings is displayed on the display control means. 3. A genre designating means for dividing a facility into a plurality of genres and a genre designating means for designating a genre, wherein the display control means comprises a genre among facilities located in an area indicated by the cursor. 3. The navigation device according to claim 1, wherein the display unit displays a facility belonging to a genre specified by the specifying unit.