JP2876852B2 - In-vehicle map display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle map display device used for an on-vehicle navigation device and the like.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, this type of on-vehicle map display device includes a map data 6 and a region / administrative region name corresponding to a divided fixed region of the map data 6 as a region / administrative region name. The data 18 is stored in the map data storage means 16, and the designated point input means 1 is operated by pressing an arbitrary point on a map display screen formed by a touch panel or the like.
If the designated point is input as 0, the area / administrative area to which the designated point belongs is determined by the area determining means 19, and the area / administrative area name is stored as a place name in the place name storage means 21 and further displayed. For example, "Shinjuku-ku, Tokyo" is displayed on the means 20.

[0003]

However, in the above-described conventional on-vehicle map display device, the area / administrative area name data corresponding to a certain area in the map data is displayed as a place name. Any place name / facility name displayed on a map such as "XYZ golf course" could not be displayed as a place name. Furthermore, when trying to display these arbitrary place names and facility names, it is necessary to memorize all the information on which area / administrative name each place name / facility name belongs to, so the size of the map data becomes large. There was a problem.

The present invention has been made to solve the above-mentioned conventional problem, and has an excellent feature that characters and symbols such as arbitrary place names and facility names displayed on a map can be displayed together with the names of the regions and administrative areas to which they belong. It is an object of the present invention to provide an in-vehicle map display device.

[0005]

According to the present invention, in order to achieve the above-mentioned object, a region / administrative area code is associated with a character / symbol displayed on a map screen, and a region / administrative area code corresponding to the area / administrative area code is provided.・ Area administrative area name storage means for storing the administrative area name, and an area / administrative area name acquiring means for acquiring the area / administrative area name based on the area / administrative area code when the above-mentioned character / symbol is selected; A display means is provided for displaying both the area / administrative area name and the above-mentioned characters / symbols as place names.

[0006]

According to the present invention, the character / symbol as the designated point on the map display screen belongs to the region / administrative area based on the area / administrative area code corresponding to each designated point. -The name of the administrative area is determined, and the name of the area / administrative area and the character / symbol on the map display screen, which is the designated point, are simultaneously displayed as place names.

[0007]

1 and 2 show the structure of an embodiment of the present invention. 1 and 2, reference numeral 1 denotes a map display screen formed in a touch panel shape, and displays an arbitrary map from the map data 6. Reference numeral 2 denotes a designated point designated by pressing the map display screen 1 or detecting the position of the vehicle. 3 are characters and symbols such as place names and facilities displayed on the map display screen 1 together with the map.
It has the corresponding area / administrative area code 4 shown in writing. However, the area / administrative area code 4 is not actually displayed on the map display screen 1. The map data 6, the character / symbol 3, and the area / administrative area code 4 are stored in the map data storage unit 15.

[0008] Here, the designated point 2 is set by the designated point input means 10 by pressing an arbitrary point on the map display screen 1 formed in a touch panel shape. Then, the distance calculating means 9 calculates the distance between the designated point 2 and each character / symbol 3 on the map display screen 1. When the distance is calculated, the character / symbol determination unit 11 determines the character / symbol 3 present at the shortest point in the distance. In this embodiment, of all the characters and symbols, the one having a short distance from the designated point 2 is selected. However, the weight is assigned to the distance among the characters and symbols for each category such as a station, a game facility, and a government office. Then, any character or symbol may be determined for the weighted distance. Also,
In order to specify the designated point, other means than pressing the screen, for example, a cursor is displayed on the map display screen 1 and the point at which the cursor is displayed is set as the designated point, or detected by a navigation device or the like. The own vehicle position on the map display screen 1 may be used as the designated point as it is.

Next, from the area / administrative area name storage means 13 storing the area / administrative area name corresponding to the area / administrative area code 4, the area / administrative area code 4 corresponding to the determined character / symbol 3 is stored. The area / administrative area name based on the information is acquired by the area / administrative area name acquiring means 12. In the place name synthesizing means 14, the determined character / symbol and the above
A place name to be displayed on the place name display means 20 is generated by combining the area / administrative area name acquired by the administrative area name acquisition means 12. For example, if the character / symbol determined by the character / symbol determining means 11 is “Shinjuku Station” and the area / administrative area name acquired by the area / administrative area name acquiring means 12 is “Shinjuku-ku, Tokyo”, the place name combining means 14 generates a place name “Shinjuku Station, Shinjuku-ku, Tokyo”, and stores the place name storage means 2
1 stores this place name, and the place name
This place name is displayed as shown in FIG. The place name display means 20 can be provided on a part of the map display screen 1 or can be provided independently of the map display screen 1.

[0010]

As is clear from the above embodiment, the present invention obtains the area / administrative area name based on the area / administrative area code corresponding to the character / symbol displayed on the map display screen, respectively. A place name can be generated from the name of the area / administrative area to which the designated point belongs on the map display screen and the characters / symbols of the designated place without expanding the capacity of the storage device, and the place name can be displayed . Also,
The location specified on the map display screen and displayed on the map screen
Means for calculating the distance to the character / symbol
Means to determine the character / symbol based on the
Selecting the character / symbol present at the shortest point has the effect of being able to select .

[Brief description of the drawings]

FIG. 1 is a diagram showing a map display screen according to an embodiment of the present invention.

FIG. 2 is a block diagram showing the configuration of the embodiment.

FIG. 3 is a diagram showing an example in which a name of a region / administrative area to which a designated point belongs and characters / symbols on a map screen are simultaneously displayed in the embodiment.

FIG. 4 is a block diagram showing a configuration of a conventional on-vehicle map display device.

[Explanation of symbols]

 1 map display screen 2 designated point 3 character / symbol 4 area / administrative area code 9 distance calculating means 10 designated point input means 11 character / symbol determining means 12 area / administrative area name obtaining means 13 area / administrative area name storage means 14 place name combining means 15 map data storage means 20 place name display means 21 place name storage means

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-61-251888 (JP, A) JP-A-63-187288 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) G09B 29/10 G01C 21/00 G06F 17/30 G08G 1/0969

Claims (2)

(57) [Claims] 1. A region / administrative area code is associated with each character / symbol displayed on the map display screen.
A local administrative area name storage means for storing the area / administrative area name corresponding to the administrative area code, and the area / administrative area code based on the area / administrative area code when the above-mentioned character / symbol is selected.
And regional and administrative district name acquisition means for acquiring the administrative area name, above
An on-vehicle map display device comprising: display means for displaying both the area / administrative area name obtained by the area / administrative area name obtaining means and the characters / symbols. 2. A system comprising: means for calculating a distance between a point designated on a map display screen and a character / symbol displayed on the map screen; and means for determining a character / symbol based on the distance. Item 2. The vehicle-mounted map display device according to item 1.