JP2007212857A - Navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to know what facilities are displayed even if the number of the facilities is large and logomarks are displayed in an overlap when the logomarks belonging to a desired genre are displayed with the logomarks on a road map in a navigation device. <P>SOLUTION: In displaying the logomarks indicating the facilities on the road map on a display screen, the catalog of the facilities indicated by the logomarks is displayed on the display screen. For this reason, even if the logomarks are displayed in overlapped state, the catalog enables the user to concretely recognize what facilities are displayed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a navigation device capable of displaying facilities on a road map with a logo mark on a display screen.

  For example, as a function of a car navigation device, there is a peripheral facility display function for displaying the location of facilities such as a convenience store, a gas station, and a restaurant. This peripheral facility display function displays a logo mark corresponding to the type of facility on the road map on the display screen when there is a facility as described above around the current location. The user grasps the position of the facility existing around the current position using this function.

For example, when displaying a logo mark on a road map in a downtown area where restaurants, convenience stores, etc. are crowded, the conventional peripheral facility display function may be displayed overlapping the logo mark depending on the scale of the displayed road map. There was a problem that it was difficult to understand what kind of facilities were displayed.
In order to solve this problem, Patent Document 1 has a configuration in which a plurality of logo marks of the same type are collectively displayed on one representative logo mark.
JP 2004-69561 A

  However, as in Patent Document 1, in the configuration in which the same type of logo mark is collected and displayed on the representative logo mark, each facility can be recognized, unlike the case where each facility is displayed by an individual logo mark. become unable.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a navigation device capable of knowing what kind of facility is displayed with a logo mark on a road map on a display screen. is there.

  In the invention of claim 1, when the logo mark indicating the facility on the road map is displayed on the display screen, a list of facilities indicated by the logo mark is displayed on the display screen, so that the logo marks are overlapped and displayed. Even so, it is possible to specifically recognize what kind of facility is displayed.

  In the invention of claim 2, when any facility is selected from the list of facilities displayed on the display screen, only the logo mark indicating the selected facility is displayed on the display screen or selected. Since the logo mark indicating the facility is highlighted and displayed as compared with other logo marks, the location of the selected facility is easily understood. In particular, when only the logo mark indicating the selected facility is displayed on the display screen, only one logo mark is displayed, so that it is easy to recognize the display of the logo mark, road, or place name. .

  In the invention of claim 3, when a keyword is input, only the logo mark of the facility belonging to the category classified by the keyword is displayed on the display screen, or the logo mark indicating the facility belonging to the category classified by the keyword is displayed. Since it is displayed with emphasis compared to other logo marks, the location of the desired category of facilities can be easily understood.

In the invention of claim 4, since the keyword can be input using characters in the facility list displayed on the display screen, the keyword input operation is facilitated.
In the invention of claim 5, since the keyword is a word indicating the type of facility, only the facility of the type desired by the user can be displayed in an easily understandable manner.

(First embodiment)
A first embodiment of the present invention will be described below with reference to FIGS. FIG. 2 is a block diagram showing the overall configuration of the vehicle navigation apparatus 1. As shown in the figure, the car navigation device 1 has a control device 2 as a control means, a position detection device 3 as a position acquisition means, a map data storage device 4 as a map data acquisition means, an operation switch group 5, Similarly, a touch panel 6 as input means, a remote control sensor 8 paired with a remote control 7, a display device 9 as display means, a speaker 10 and the like are connected.

  The control device 2 has a function of controlling the overall operation of the car navigation device 1 and is mainly composed of a microcomputer. That is, the control device 2 includes a CPU, a ROM, a RAM, an I / O, a bus that connects these, and the like (all not shown). Among them, the ROM stores an execution program for operating the car navigation device 1, and the RAM temporarily stores temporary data at the time of program execution, map data acquired from the map data storage device 4, and the like. It is like that.

  The position detection device 3 includes a G sensor 11 for detecting the pitch angle of the vehicle, a gyroscope 12 for detecting the roll angle of the vehicle, a distance sensor 13 and a GPS (Global Positioning System) receiver 14. ing. Since these sensors 11 to 14 have detection errors having different properties, the sensors 11 to 14 are combined so that highly accurate position detection can be performed while correcting the detection errors. Note that, depending on the required detection accuracy level, it is not necessary to provide all the sensors 11 to 14, and a configuration can be provided by appropriately selecting.

  The map data storage device 4 is composed of an information recording medium such as a DVD-ROM and a reading device that reads data from the information recording medium, and reads data from the information recording medium by the reading device to the control device 2. input. Here, the data included in the map data storage device 4 includes map data, map matching data, data for guiding the route by voice, data for searching the location of the facility on the map from the facility name, Similarly, there are data for making it possible to search facility names by genre, and data for displaying facilities with logo marks.

The map data is data for displaying a map on the display device 9 and includes link information, node information, and the like. This is to divide the road on the map into multiple parts by nodes that show inflection points such as intersections, branch points, merge points, curves over a predetermined angle, etc., define each link as a link, and connect these links Based on the idea of constructing a map.
The display device 9 includes a color liquid crystal display as a display screen 9a for displaying map data, characters or symbols, and the transparent touch panel 6 is pasted on the surface of the display screen 9a. Yes. The operation switch group 5, the touch panel 6, and the remote controller 7 are input means and are used for inputting data, selecting a desired item from a plurality of items, and inputting setting items. The group 5 includes, for example, push button switches provided around the liquid crystal display.

  The control device 2 has a function as display control means, calculates the current position of the host vehicle based on information input from the position detection device 3, and displays a road map around the current position based on map data. In addition to being displayed on the display screen 9a of the device 9, a pointer (indicated by P in FIG. 1) indicating the current position and traveling direction of the host vehicle is displayed on the displayed road map. The scale of the road map displayed on the display screen 9 a can be changed by operating the touch panel 6.

  In addition, the control device 2 synthesizes a sound and outputs it from the speaker 10 in order to indicate a function as a route search means for searching for a guide route to the destination and a direction in which the host vehicle should travel according to the route. Or, it has a function as travel guidance means for displaying the intersection on the display screen 9a of the display device 9 and displaying the direction of travel as an arrow. The Dijkstra method or the like is used as a method for setting the optimum route.

  Further, when the control device 2 fulfills the function of displaying the peripheral facility display function, that is, the function of displaying the facility around the current position with the logo mark on the road map displayed on the display screen 9a of the display device 9, It functions as a display control means for displaying means and facilities with logo marks. That is, when the user designates the genre of a facility such as a convenience store, a gas station, or a restaurant, the control device 2 detects the facility belonging to the designated genre from the facility search data for each genre and is detected by the position detection device 3. The facility existing around the current position is searched, and the searched facility is displayed as a logo mark on the road map displayed on the display screen 9a of the display device 9. In this case, each logo mark is displayed at the position where the facility exists based on the position information of each facility.

Here, the operation when the user displays the logo mark of the desired type of facility on the road map by using the surrounding facility display function of the navigation device 1 will be described with reference to the flowchart of FIG. To do.
The navigation device 1 usually detects the current position of the host vehicle by the position detection device 3, reads out map data centered on the detected current position from the map data storage device 4, and obtains a road map around the current position. Then, the operation of displaying on the display screen 9a of the display device 9 at a size corresponding to the set scale is continuously performed. When it is desired to display a desired facility on the display screen 9a of the display device 9 so as to overlap the road map, the peripheral facility display mode is selected by operating the mode selection switch from the operation switch group 5.

  Then, the control device 2 starts to execute the peripheral facility display routine of FIG. 3, and first displays a genre selection screen on the display screen 9a of the display device 9 (step S1). When the user touches the display part of the desired genre on this genre selection screen, the touch panel 6 as the selection means detects the touch part. Thereby, the control device 2 detects that the genre of the facility to be displayed is selected (“YES” in step S2), and the facility according to the genre of the map data around the current position acquired from the map data storage device 4 A facility belonging to the selected genre is searched from the search data (step S3). Next, the control device 2 displays each searched facility on the road map of the display screen 9a of the display device 9 with a logo mark predetermined for each facility, and displays a list of the displayed facilities. The list is created and displayed on one side of the display screen 9a (step S4).

For example, FIG. 1 shows a display screen 9a when “restaurant” is selected as the genre of the peripheral facility to be displayed. Since “restaurants” include various stores, “restaurants” are further classified into coffee shops, udon shops, ramen shops, Japanese restaurants, restaurants (western restaurants), fast food restaurants, etc. A logo mark is set for each middle class, and each “restaurant” is displayed with a logo mark set for each middle class. In the example of FIG. 1, coffee shop A, udon shop B, fast food shop C, and restaurant D are displayed as logo marks on the road map of display screen 9a, and are displayed as logo marks on the right side of display screen 9a. A list showing the names of the “restaurants” is displayed. The right part of the road map is hidden by the list.
In FIG. 1, “1/2” at the top of the list indicates that the name of the facility displayed by the logo mark cannot be displayed on one page, but covers two pages. When the “next page” portion is touched, the list of the second page is displayed on the display screen 9a.

  When the logo mark of the surrounding facility and the logo mark of the surrounding facility are displayed as described above, the user touches (selects) the facility to be visited from the name of each facility shown in the list. Then, the control device 2 recognizes the selected facility based on the detection operation of the touch panel 6 and highlights the logo mark of the facility (“YES” in step S5, step S6). The highlighting in this case is performed by enlarging and blinking the logo mark. FIG. 1B shows that a [Delta] [Delta] udon store is selected from the list, and a logo mark indicating the [Delta] [Delta] udon store is highlighted.

Thus, according to this embodiment, the position of the facility in the vicinity can be known by the logo mark displayed on the road map. Simply displaying the logo mark on the display screen 9a of the display device 9 may cause a case where a plurality of logo marks overlap each other and cannot be confirmed one by one when the road map is displayed in a wide area (small scale). However, since the name of the facility represented by each logo mark displayed on the road map is displayed in a list on the display screen 9a, it is specifically confirmed what kind of facility is displayed with the logo mark. can do.
In the present embodiment, when a desired facility name is selected from the list, the logo mark of the selected facility is highlighted, and in the present embodiment, it is enlarged and blinked. Can be confirmed.
In the first embodiment, the logo mark of the selected facility is highlighted in step S6 of FIG. 3, but this erases all other logo marks while leaving the logo mark of the selected facility. You may do it.

(Second Embodiment)
4 and 5 show a second embodiment of the present invention. This second embodiment differs from the first embodiment described above in that a logo and a list of facilities belonging to the selected genre are displayed on the display screen 9a of the display device 9 and then a keyword is input. The logo mark of the facility belonging to the category indicated by the keyword is left and other logo marks are deleted. That is, in the flowchart of FIG. 5, when the logo mark of the peripheral facility and the logo mark of the peripheral facility are displayed in the same manner as in the first embodiment (step S1 to step S4), the user is shown in the list. A keyword is input using characters indicating the names of the facilities (“YES” in step S5).

  For example, as shown in FIG. 4, when “restaurant” is selected as a peripheral facility and you want to extract “udon” from those restaurants, enter “Udon” as a keyword. To do. For the input of “Udon”, select the part of the list where the word “Udon” is displayed as appropriate, and select “Udon” as the first and last primary character in the series of “Udon” characters. ”And“ N ”. Then, the touch panel 6 which is a keyword input unit detects the touch location, and based on this, the control device 2 recognizes that “Udon” has been input as a keyword (“YES” in step S5, keyword recognition unit). . And the control apparatus 2 searches for the restaurant which displays "Udon store" in the middle classification among the logo marks displayed on the road map (search means), and the logo of the searched restaurant (Udon store). The other logo marks are deleted from the display screen 9a of the display device 9 while leaving the mark, and the facility names of the deleted logo marks are also deleted from the list (step S6). Thus, for example, as shown in FIG. 4, a road map on which only the logo mark indicating “Udon store” is displayed, and a list indicating the store name of “Udon store” displayed next to the logo mark, Is displayed.

As described above, according to the present embodiment, by inputting a keyword, only the logo mark of the facility belonging to the category indicated by the keyword is displayed on the road map, so the number of logo marks is reduced, and accordingly, the road, the place name, etc. Is easy to see, and the location of the facility indicated by the logo mark is easy to understand.
When a keyword is selected, the logo mark of the facility belonging to the category indicated by the keyword may be highlighted and the other logo marks may be left as they are.

(Third embodiment)
6 to 8 show a third embodiment of the present invention. This embodiment differs from the first embodiment described above in that the display device 9 includes two display screens 9a and 9b made of, for example, a liquid crystal display as shown in FIG. When the surrounding facility is displayed, as shown in the flowchart of FIG. 8, a logo mark is displayed on the road map displayed on one display screen 9a, and the logo mark is displayed on the other display screen 9b. A list showing the names of the facilities to be displayed is displayed (steps S1 to S5). 6 (a) and 6 (b) show the restaurant logo displayed on the road map displayed on one display screen 9a in a superimposed manner, and the restaurant displayed on the other display screen 9 by the logo mark. The name list is displayed.

  According to the present embodiment configured as described above, the display area of the road map is not narrowed by the list, and more facilities with the list displayed by the logo mark can be displayed on one screen. It becomes like this.

(Other embodiments)
The present invention is not limited to the embodiment described above and shown in the drawings, and can be expanded or changed as follows.
Keywords are not limited to those using the characters in the list.
The keyword may be designated by voice.
When a keyword is input, only a facility having a name including the keyword may be left as a logo mark or may be left in a list.
The navigation device is not limited to a vehicle.

The 1st Embodiment of this invention is shown, (a) is a figure which shows the display screen at the time of displaying all object facilities, (b) is the case where one facility is selected and the logo mark is highlighted. Showing the display screen Navigation device block diagram Flow chart for displaying surrounding facilities FIG. 7 shows a second embodiment of the present invention, where (a) is a diagram showing a display screen when all target facilities are displayed, and (b) is a display screen in which only the logo mark of the facility in the category indicated by the keyword is left. Figure showing 3 equivalent figure The figure which shows the 3rd Embodiment of this invention, and each displayed the road map which displayed the logo mark on the two display screens, and the list of the facility names of the logo mark 2 equivalent diagram 3 equivalent figure

Explanation of symbols

  In the figure, 1 is a navigation device, 2 is a control device (display control means, search means), 3 is a position detection device, 4 is a map data storage device (map data acquisition means), and 6 is a touch panel (selection means, input means). , 9 indicates a display device (display means), and 9a, 9b indicate display screens.

Claims (5)

Map data acquisition means for acquiring map data;
On the basis of the map data, a navigation device comprising a display control means for displaying a road map and a logo mark indicating a facility on the road map on a display screen of the display means,
The display control means includes
A navigation apparatus, wherein when displaying the logo mark indicating a facility on the road map on the display screen, a list of facilities indicated by the logo mark is displayed on the display screen. Comprising a selection means for selecting any facility from the list displayed on the display screen;
The display control means displays only the logo mark indicating the facility selected by the selection means on the display screen, or compares the logo mark indicating the facility selected by the selection means with other logo marks. The navigation apparatus according to claim 1, wherein the navigation apparatus is displayed with emphasis. An input means for inputting a keyword;
A search means for searching for facilities belonging to the category classified by the keyword from the facilities displayed in the list;
The display control means displays only the logo mark indicating the facility searched by the search means on the display screen, or compares the logo mark indicating the facility searched by the search means with other logo marks. The navigation apparatus according to claim 1, wherein the navigation apparatus is displayed with emphasis.   4. The navigation apparatus according to claim 3, wherein the input unit is configured to be able to input a keyword using characters in the list displayed on the display unit.   The navigation device according to claim 3 or 4, wherein the keyword is a word representing a type of facility.

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