JP2838545B2 - Display device for navigation - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for navigation, and more particularly to a device for selectively displaying a map and a self-location of a vehicle based on at least two types of map information.

2. Description of the Related Art Conventionally, a device that displays a map and a position of a vehicle on the map, that is, a display device for navigation has been known.

This device displays a map on a screen of a display device such as a CRT based on map information stored on a CD-ROM, for example.
Further, it is a device that takes in the position information of the vehicle from the outside and displays the own position of the vehicle on the screen of the display device.

Further, for example, Japanese Patent Application Laid-Open No. 58-53711 discloses a device capable of displaying the own position and traveling information of a vehicle.

In this device, in the so-called map mode,
The map and the own position of the vehicle are displayed, and traveling information such as the degree of reaching a destination is displayed in a so-called traveling mode.

Further, there is also known an apparatus having two or more types of map information relating to a map to be displayed on a screen.

This device stores, for example, two types of map information (expressway map information and general road map information) in the aforementioned CD-ROM,
This is a device that displays a map on the screen of the display device by selecting one of these map information.

In such a navigation display device having at least two types of map information, at least two types of maps are selectively used by appropriately selecting map information relating to a map to be displayed on a screen as necessary. Navigation.

[Problems to be Solved by the Invention] However, in a conventional navigation display device having such a configuration, at least two types of map information (for example, an expressway map information and a general road map information) stored in a CD-ROM or the like are used. (Information), when switching the screen display from one map to another map, there is a problem in operability that the own position of the vehicle on the switched map must be initialized again.

SUMMARY OF THE INVENTION The present invention has been made to solve such problems, and there is no need to reinitialize the vehicle's own position and the like at the time of switching the map related to display, and therefore, for navigation with improved operability. It is an object to provide a display device.

[Means for Solving the Problems] In order to achieve the above object, the present invention has a configuration as shown in FIG.

That is, the present invention stores at least two types of map information, and outputs a required type of map information M, a map information output means a, and displays a map based on the map information M. In a navigation display device having display means b for displaying the own position and map information selecting means c for selecting the type of the map information M output from the map information output means a, the navigation device displays When the own position reaches a given end point, a first touch switch is displayed on the screen of the display means b, and position information corresponding to the own position of the vehicle in response to the operation of the first touch switch. The new map information including the map information output means a is output from the map information output means a to the display means b. Comprises d, based on the position information of the current position of the vehicle, a map displayed on the display unit b automatically selected, and displaying the current position of the vehicle on the map.

Further, the self-position display shifting means d displays the second touch switch on the screen of the display means b, and in response to the operation of the second touch switch, the self-position of the vehicle has not reached the end point. Even if there is, the first touch switch is displayed on the screen of the display means b.

[Operation] In the device for displaying the position of the vehicle on the navigation map according to the present invention, the display means b displays the map and the position of the vehicle, and further displays the first position on the screen in response to reaching the end point.
Is operated, the map displayed on the display means b is automatically selected based on the position information relating to the own position of the vehicle. The own position of the vehicle is also displayed on the selected map.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 2 shows the configuration of a navigation display device according to one embodiment of the present invention.

In this embodiment, a display device 10 for displaying a map and the own position of a vehicle and a CD-ROM storing at least two types of map information are provided.
CD-R for reproducing ROM and outputting map information to the display device 10
And an OM decoder 12.

Further, the display device 10 displays a map and the vehicle's own position, and has a display panel touch switch function.
14 and a map switch 16 and a return switch 18, both of which are panel escutcheon switches.

Among them, touch switches such as the map switch 20 are set on the display panel 14 having the screen touch switch function as necessary. The touch switches will be described later in detail.

On the other hand, the CD-ROM decoder 12 is provided with a CD insertion port 22.

That is, the CD-ROM is inserted from the CD slot 22
The map information or the like that is inserted into the decoder 12, reproduced, and read out is supplied to the display device 10.

FIG. 3 shows the configuration of the CD-ROM decoder 12 shown in FIG.

In this figure, the CD-ROM decoder 12 includes a highway navigation unit 24 for performing navigation when driving on a highway.
And a management unit 26 which takes in the interchange (IC) name code output from the expressway navigation unit 24 and outputs the IC position.
And the IC position output from the management unit 26, and the CD-RO
A map access unit 30 for accessing the M28, a display drawing unit 32 that captures the IC position output from the management unit 26, reads map data from the CD-ROM 28, and supplies image data to the display device 10, and a display drawing unit 32 And a map navigation section 34 for performing navigation based on the map data read from the CD-ROM 28.

That is, at the time of driving on a highway, based on the switching operation of the map switch 20, the current position of the vehicle and a distance pulse emitted by, for example, a wheel sensor are taken in by the highway navigation unit 24, and the received IC name is obtained. Such an IC name code is issued. The management unit 26 accesses the IC name code / latitude / longitude correspondence table unit 28a on the CD-ROM 28 based on the IC name code. The IC name code / latitude / longitude correspondence table section 28a is a section for storing the IC name included in the expressway map stored in the CD-ROM 28 and the position (latitude, longitude) of the IC.

The map access unit 30 stores the map data storage unit 2 on the CD-ROM 28 based on the IC position read by the management unit 26.
8b, and as a result, the map data stored in the map data storage unit 28b is read into the display drawing unit 32. In addition, the display / drawing unit 32
Since the IC position is also supplied, the display drawing unit 32 generates image data relating to a map including the IC.

The generated image data is transferred to the display device 10, and a display is performed on the display panel 14 based on the image data.

The map navigation unit 34 performs navigation using the map displayed on the display panel 14.

On the other hand, when driving on a general road, the map navigation unit 34
Navigation based on the map information taken by the display / drawing unit 32 from the CD-ROM 28 is performed.

Next, the operation of this embodiment will be described with reference to FIGS.

FIG. 4 shows an initial setting operation in this embodiment.

First, after the operation is started (100) by turning on the power or the like, the map switch 16 is turned on by the operator (10).
2), a menu screen as shown in FIG. 9 is displayed (104).

Here, the CD reproduced by the CD-ROM decoder 12
Assume that the ROM has, for example, a schematic diagram of an expressway as shown in FIG. 7 and a general road map as shown in FIG. Touch switches 36, 38, 40, 42, and 44 are set on the menu screen displayed on the display panel 14. In step 106, by pressing any of these touch switches 36, 38, 40, 42, 44,
The mode of the navigation operation is selected.

The touch switches 36, 38, 40, 42, and 44 are switches corresponding to the output of the national map, the previous map, the expressway map, the previous expressway map, and the dealer telephone guide, respectively. That is, in step 106, for example, when the touch switch 36 is pressed, initialization (108) based on the national map is performed, and navigation (110) using a normal map is performed.

Similarly, when the touch switch 38 is pressed, the initial setting 112 and the navigation 114 related to the navigation based on the map at the time of the previous operation are performed, and when the touch switch 42 is pressed, the navigation based on the highway map at the time of the previous operation is performed. The initial setting 116 and the navigation 118 are performed, and similarly, when the touch switch 44 is pressed, the service information provision (120) related to the dealer telephone guidance is performed.

When the touch switch 40 of the touch switches shown in FIG. 9 is pressed, the screen displayed on the display panel 14 shifts to, for example, an expressway selection screen as shown in FIG. 10 (122).

On this highway selection screen, touch switches 46, 48,
50 and 52 are set. That is, when the operator presses the touch switch 46, the Tokyo Metropolitan Expressway is selected. Similarly, when the touch switches 48 and 50 are pressed, the Tomei Expressway and the Meishin Expressway are selected. The touch switch 52 is a so-called cursor key, and is
This is a switch for scrolling up and down the screen display on 14.

Here, when any one of the touch switches 46, 48, and 50 is pressed, the process proceeds to steps 126, 128, and 130, respectively.

Here, a case where the touch switch 48 is pressed, and thus the Tomei Expressway is selected will be described as an example.

At this time, the display on the display panel 14 shifts from the expressway selection screen as shown in FIG. 10 to the section screen as shown in FIG. 11 (132). This section screen is a screen for selecting one of a plurality of sections appropriately dividing all sections of the Tomei Expressway.
A touch switch 54 for selecting a section of Ashigara SA,
Touch switch for specifying the section of Ashigara SA-Shizuoka IC
56, a touch switch 58 for designating the Shizuoka IC-Mikatahara PA, and a touch switch 60 similar to the touch switch 52 in FIG. 10 are set.

Here, when any one of these touch switches 54, 56, 58 is pressed, a section related to the selection is input (13).
4) Go to the next step 136.

Step 135 is set for each section shown in FIG. 11. Here, a case will be described in which the touch switch 54 is pressed in step 134, and the section of Tokyo IC-Ashigara SA is designated. In this case, step 136 (136-1) includes step 138 relating to the start point setting of the expressway map and step 140 relating to the end point setting.

The screen displayed on the display panel 14 in step 138 is, for example, a screen as shown in FIG. On this screen, a set switch 62 which is a touch switch is set, and further, a cursor switch 64 which is a touch switch indicated by a triangle in the figure is set.

In this step 138, the cursor displayed above the point name is moved by pressing the cursor switch 64. The spot names displayed on this screen are, for example, names of an interchange (IC), a parking area (PA), a service area (SA), and the like. Also,
Cursors may be displayed above each point name. In this way, after appropriately moving the cursor with the cursor switch 64, by pressing the set switch 62,
The starting point of the navigation based on the expressway schematic diagram is set.

Next, step 140 relating to the end point setting is executed. In step 140 as well, the same operation as in step 138 is performed to set the end point of the navigation according to the schematic diagram of the highway.

The cursors representing the start point and the end point are different types of cursors. In FIG. 13, the cursor relating to the start point setting is represented by ■, and the cursor relating to the end point setting is represented by □. For example, in FIG. 13, the start point is set at Oi Matsuda and the end point is set at Tokyo.

After the start point and the end point have been set in this way, the screen on the display panel 14 shifts to, for example, a start screen as shown in FIG. A start switch 66, which is a touch switch, is set on this screen. By pressing the start switch 66 (142), navigation based on a schematic diagram of an expressway is started (14).
Four).

FIG. 5 shows a map transition operation when the end point set in step 140 is reached.

In this case, the screen displayed on the display panel 14 is, for example, a screen as shown in FIG. 15, and an arrival warning 68 indicating arrival is shown in a specific area of the screen (14).
6). Further, for example, the inter-diagram switch 67 shown in FIG. 14 is changed to the map switch 70 (148).

Here, when the map switch 70 is further pressed by the operator (150), the screen displayed on the display panel 14 changes to the display of a general road map near the end point, for example, a general road map as shown in FIG. Transfer (152). Thereafter, the own position of the vehicle is displayed on a general road map as shown in FIG. 16, and navigation based on this map (15) is performed.
4) is performed.

Thus, upon arrival at the initially set end point, a map including this end point is selected and displayed without performing the initial setting again. FIG. 6 shows a map transition operation relating to navigation when the user intends to get off the expressway before reaching the end point set in step 140.

In this case, when the operator depresses the inter-diagram switch 67 as necessary (156), steps 148 to 154 are executed in the same manner as the map transition operation shown in FIG. I do.

As described above, according to the self-position display device for the navigation map according to the present embodiment, when shifting from the navigation based on the schematic highway diagram to the navigation based on the general road map, the initial setting of the own position of the vehicle, particularly, The transition can be performed without performing the initial setting such as the map selection again, the operation by the operator is omitted, and a device with improved usability is realized.

In the above description, the description has been given of the case where the navigation based on the schematic diagram of the highway is shifted to the navigation based on the general road map. Similarly, the initial setting is not necessary again.

Also, as in this embodiment, the steps related to the end point setting
In an apparatus having an operation corresponding to 140, it is possible to automatically shift to general road navigation without pressing the map switch 70 when the end point set in step 140 is reached. is there.

In this embodiment, a highway schematic diagram is used in which a highway is shown in a straight line,
This may be a map representing the actual highway shape.

Also, after the section input in step 134, or after step 144 is executed and the highway navigation is started, by pressing the inter map switch 67,
By displaying the road map pertaining to the specified section,
Navigation may be performed based on the road map.

Further, in the present embodiment, touch switches set on the display panel 14 are used as switches, but other switches, such as a panel escutcheon switch, may be used.

[Effects of the Invention] As described above, according to the present invention, when shifting from one map to another map, the navigation is shifted without the operator newly setting the own position of the vehicle and the map selection. Therefore, a navigation display device with improved usability can be obtained.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a configuration of a navigation display device of the present invention, FIG. 2 is a configuration diagram showing a configuration of a navigation display device according to an embodiment of the present invention, and FIG. FIG. 4 is a configuration diagram showing a configuration of the CD-ROM decoder shown in FIG. 4, FIG. 4 is a flowchart showing a flow of an initial setting operation in this embodiment, and FIG. 5 is a flowchart showing a map transition operation in this embodiment. FIG. 6 is a flowchart showing another map shifting operation in this embodiment. FIG. 7 is a screen showing an example of a schematic diagram of an expressway stored on a CD-ROM in this embodiment. Is a screen diagram showing an example of a general road map similarly stored in the CD-ROM in this embodiment; FIG. 9 is a screen diagram showing a menu screen in this embodiment; and FIG. Expressway selection screen FIG. 11 is a screen diagram showing a section screen in this embodiment. FIG. 12 is a screen diagram showing a screen when a starting point is set in this embodiment. FIG. 13 is an end point setting in this embodiment. FIG. 14 is a screen diagram showing a screen at the start of navigation in this embodiment. FIG. 15 is a screen diagram showing a screen at the time of arrival at the end point in this embodiment. FIG. 7 is a screen diagram at the time of transition of navigation from an expressway schematic diagram to a general road map. a: Map information output means b: Display means c: Map information selection means d: Self-position display transition means 10: Display device 12: CD-ROM decoder 14: Display panel 20: Map switch 24 … Expressway navigation section 26… Management section 28… CD-ROM 30… Map access section 32… Display drawing section 34… Map navigation section

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tohru Ito 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Co., Ltd. (72) Inventor Hisatoshi 1-1-1 Showacho, Kariya City, Aichi Prefecture Japan Denso Co., Ltd. (72) Inventor Takahiko Mutoh 1-1-1, Showa-cho, Kariya-shi, Aichi Japan Inside Denso Co., Ltd. (56) References JP-A-63-177015 (JP, A) JP-A-62-14686 (JP, A) JP-A-58-53711 (JP, A) JP-A-61-205975 (JP, A) JP-A-60-224023 (JP, A) JP-A-58-199378 (JP, A) JP-A-64-8617 (JP, A) JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) G09B 29/10 G01C 21/00 G08G 1/0969

Claims (2)

(57) [Claims] 1. Map information output means for storing at least two types of map information and outputting one required type of map information;
Display means for displaying a map based on the map information output from the map information output means, and displaying the own position of the vehicle on the map, and a map for selecting the type of map information output from the map information output means Information selection means for displaying a map related to the selected map information, and displaying the own position of the vehicle, wherein the own position of the vehicle displayed on the map is given. A first touch switch is displayed on the screen of the display means when the end point is reached, and new map information including position information corresponding to the own position of the vehicle in response to operation of the first touch switch. From the map information output means to the display means, and a self-position display transition means for displaying the own position of the vehicle on a new map displayed on the display means based on the position information. Navigation display device. 2. The navigation display device according to claim 1, wherein the self-position display shift means displays a second touch switch on a screen of the display means, and the second touch switch is operated. The display device for navigation, wherein the first touch switch is displayed on the screen of the display unit even if the own position of the vehicle has not reached the end point.