JPH0643807A - Navigation device - Google Patents

Abstract

PURPOSE:To provide a navigation device capable of obtaining information on a peripheral institution and a peripheral registered place in a short time. CONSTITUTION:At the time of retrieving, when it is detected that an area to be retrieved is set and the center of the area is specified by the CPU 64c of a MIC 64 based on an operation signal from a mechanical switch 12, a touch switch 13, the peripheral institution or the peripheral registered place corresponding to plural mesh Nos. within a prescribed range around the center position of a retrieving area are retrieved from the information stored in a second memory 64b. Thereafter, by the CPU 64c, display data is generated, and a retrieved name of peripheral institution or name of peripheral registered place is displayed on a CRT 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device mounted on a mobile body and displaying the current location of the mobile body on a map, and more particularly to a navigation apparatus capable of displaying the current location and peripheral facilities.

[0002]

2. Description of the Related Art A navigation device mounted on a vehicle and displaying the current position of the vehicle as a mark on map data read from a map memory is known. The map data used for the navigation device includes, for example, the national digital road map database of the Japan Digital Road Map Association, and the map includes various roads, historical sites, scenic spots, hot springs, golf courses, stations, etc. Facilities are included.

In the conventional navigation device, it is possible to know that there are various facilities and scenic spots in the vicinity by the symbol on the map displaying the current location. I can't know. Some conventional navigation devices can search for desired facilities from a database in which historical sites, scenic spots, leisure facilities, etc. are registered in units of prefectures. However, with this device, regardless of the current location of the vehicle,
In addition, regardless of the displayed map, the desired data is searched from the registered data by prefecture, so the search takes time. In addition, there is a drawback that it is necessary to check how the found facility has a positional relationship with the present location.

Further, the conventional navigation device cannot display the position information of the newly constructed building and the information personally needed by the user together with the road map, and thus is not always convenient. There wasn't. In view of the above, the present invention can obtain information on peripheral facilities displayed on a map displaying the current location of the vehicle in a short time,
You can also display new facilities and personal registration items on the map,
Moreover, it is an object of the present invention to provide a navigation device that can obtain the information in a short time.

[0005]

The means for solving the problems according to claim 1 of the present invention is mounted on a mobile body, detects the current location of the mobile body, and displays the current location and the map read from the map memory on a display. In a navigation device, mark storage means for storing a mark to be displayed at a predetermined position on a map, data storage means for storing arbitrary data corresponding to the mark stored in the mark storage means, map displayed on a display , Includes a mark display position, a search signal is input from the mark display control unit that displays the mark stored in the mark storage unit at the display position, the search signal input unit that inputs the search signal, and the search signal input unit. In response to this, the mark storage means is searched for a mark to be displayed on the map in a predetermined range centered on the current position of the moving body, and the mark is searched. Reads data corresponding to the over-click from the data storage means, is intended to include search means for displaying on the display the searched mark and read data.

According to a second aspect of the present invention, the problem solving means is the first aspect.
In the navigation device described above, the mark indicates a pre-registered peripheral facility and the type of a peripheral registered place arbitrarily registered, and the mark storage means stores the arbitrarily registered registered place mark. .

The problem solving means according to claim 3 is defined by claim 1.
Alternatively, in the navigation device according to 2,
The search means has a designating means for designating a position to be searched, and the search means searches the mark storage means for a mark to be displayed on a map in a predetermined range centered on the position designated by the designating means, and searches for the mark. The data corresponding to the mark is read from the data storage means, and the searched mark and the read data are displayed on the display.

[0008]

In the problem solving means according to claim 1, when the search signal is input by the search signal input means, the search means marks a mark to be displayed on a map in a predetermined range centered on the current position of the moving body. The data corresponding to the searched mark is retrieved from the storage means, the data corresponding to the retrieved mark is read out from the data storage means, and the retrieved mark and the retrieved data are displayed on the display.

Therefore, it is possible to obtain the information about the peripheral facilities displayed on the map on which the current position of the vehicle is displayed in a short time. According to another aspect of the present invention, the mark storage means stores the registered place mark for each type of the peripheral registered place that is arbitrarily registered. Therefore, when the map displayed on the display includes the display position of the mark, the mark display is performed. The control means displays the facility mark and the registered place mark at the display position. Further, the search means displays the facility mark and the registered place mark together with the data.

Therefore, it is possible to display the peripheral facility and the peripheral registered place on the map with a mark corresponding to the type, and to obtain the information in a short time. In claim 3, when the position to be searched is specified by the specifying means, the searching means searches the mark storing means for a mark to be displayed on a map in a predetermined range centered on the specified position, and searches the mark. The data corresponding to the mark is read from the data storage means, and the searched mark and the read data are displayed on the display.

Therefore, the position to be searched can be arbitrarily specified, and information about the specified position can be obtained in a short time.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to FIGS. The configuration of the navigation device according to the present embodiment will be described with reference to FIG. FIG. 1 is a block diagram showing a schematic configuration of a navigation device according to an embodiment of the present invention.

As shown in FIG. 1, the navigation system of this embodiment has a display 10, a geomagnetic sensor 20 for detecting the absolute direction of the vehicle, and a vehicle speed sensor 30 for detecting the speed of the vehicle.
And a shift sensor 40 for detecting forward and backward movements of the vehicle,
A map memory 50 that stores road map data, and a navigation E that reads the road map data from the map memory 50 and generates display data for driving support, etc.
It has a CU 60 and a graphic generator 70 that creates a program for the graphic display of the display 10.

The display 10 is a navigation ECU 60.
A CRT 11 having a display screen, a mechanical switch 12, a touch switch 13, and a monitor 14 for controlling the operation of the mechanical switch 12 and the touch switch 13. I have it. The mechanical switch 12 and the touch switch 13 are connected to the CRT 11 via the monitor 14. The "mechanical switch 12" is a generic name for a mechanical switch group described later, and the "touch switch 13" is a generic name for a touch switch group described later.

As the map memory 50, a CD-ROM which is a large capacity storage medium is used. And map memory 5
In 0, the road map is divided into meshes, and the display map data for graphic display that graphically displays the road form, the coordinate position, etc. is stored in each mesh unit, and the road network data for map matching is stored in each mesh unit. Remembered The road network data includes combination data of nodes that represent branch points and links of road segments, link distance data, required time data for traveling through the links, road type data (highways, highways, city roads, etc.). ), Road width data and place name fields, famous facilities, and point data for specifying a specific point such as a railway. In addition, as the display map data, a plurality of maps having different scales are prepared according to the size of division when the road map is divided into meshes.

The navigation ECU 60 includes a vibration gyro 61 for detecting the turning angle of the vehicle, a CD drive 62 for reading data from the map memory 50, and a locator 63.
It has and. The locator 63 has a geomagnetic sensor 2
0, a vehicle speed sensor 30, a shift sensor 40, and a vibration gyro 61 are connected to each other. Locator 63 is
The traveling distance detected by the vehicle speed sensor 30 and the shift sensor 40 and the traveling direction change amount detected by the geomagnetic sensor 20 and the vibration gyro 61 are integrated to detect the vehicle position. Furthermore, the navigation ECU 60
Vehicle position data from locator 63 and CD drive 6
MIC (multi information con) which performs various arithmetic control such as calculation of guide route, search of road map, generation of display data for guiding the driver based on the data from 2
troller) 64.

A CD auto changer 80 is connected to the CD drive 62. The CD auto changer 80 is loaded with a CDCRAFT 51 and a route calculation CD 52. In CDCRAFT51,
A program is stored for displaying guidance information of various facilities such as a morning market, a hot spring, a golf course, and a famous store with a voice. On the other hand, the route calculation CD 52 stores a calculation program for selecting a route having the shortest running time to the destination from a plurality of routes to the destination.

The MIC 64 is connected to the monitor 14 of the display 10 via the CD drive 62 and the graphic generator 70. In addition, MIC64
Is a notebook communication adapter 10 to which an electronic notebook 90 can be connected.
0 is connected. FIG. 2 shows the configuration of the MIC64.
Will be described in more detail with reference to. FIG. 2 is a functional block diagram of the MIC.

As shown in FIG. 2, the MIC 64 stores a first memory 64a for storing registration mark, a second memory 64b for storing information on peripheral facilities and peripheral registration, and various display data. It includes a CPU 64c for generation. The first memory 64a uses, for example, a non-volatile memory that semi-permanently stores data such as an EEPROM, and stores, for example, 15 types of registered place marks corresponding to the types of peripheral registered places.

As the second memory 64b, a memory such as an SRAM capable of writing, reading and erasing data at any time is used, and is divided into, for example, two memory areas. One of the memory areas stores the mesh number in which the peripheral facility is read from the map memory 50, the coordinates on the mesh, the facility mark, the name of the peripheral facility, and memo information (telephone number, address, etc.). And the other memory area has a mesh No.
Coordinates on the mesh, registered location marks, names of peripheral facilities, and memo information (phone numbers, addresses, etc.) are stored.

The CPU 64c has a function of displaying the map data read by the CD drive 62 on the CRT 11, a function of displaying the current position (vehicle position data) detected by the locator 63 on the map data with a predetermined mark, Second
A function of storing peripheral facility information in the memory 64b of the first memory 6 based on the operation signals of the mechanical switch 12 and the touch switch 13 when registering the peripheral registration place.
A function of reading the registered place mark corresponding to the type of the registered place registered from 4a, and registering the registered place mark on the map data of the position of the peripheral registered place is registered in the second memory 64b. A function of storing information of peripheral registered places, a function of displaying peripheral facilities and peripheral registered places respectively stored in the second memory 64b on map data, and when performing search for peripheral facilities or peripheral registered places , A function of setting a plurality of meshes in a predetermined range as a search area, a function of designating a center position of an area to be searched based on operation signals of the mechanical switch 12 and the touch switch 13, and a center position of the search area as a center. A peripheral facility or peripheral registered location associated with a plurality of mesh Nos in a predetermined range is searched from the information stored in the second memory 64b. Function, as well as the retrieved peripheral facility name or the peripheral register place names, has a like function to be displayed on the CRT11.

[0021] The peripheral registered site means a newly established facility or a personally necessary registered site, and the peripheral facility means a famous facility such as a station, an interchange (IC), a golf course, a hotel, a department store, etc. Say. The configuration of the display 10 will be described in more detail with reference to FIG. FIG. 3 is a front view of the display device. In FIG. 3, the CRT 11
The current location of the vehicle is shown on the CR, as shown in FIG.
On one side (left side in the figure) of the display screen of T11, a mechanical switch "Navi" 12 for selecting the map display function is displayed.
a, a mechanical switch “information” 12b for selecting the information guidance function, a mechanical switch “memo” 12c for selecting the memo function, and the like are provided, and the other side (the right side in the figure) has a CRT 11 Mechanical switch "Return" 12g for returning the display screen to the previous screen, mechanical switch "Cursor" 12h for moving the cursor on the screen or scrolling the screen, mechanical switch for setting the input data A "set" 12i and the like are provided.

The surface of the display screen of the CRT 11 is covered with a transparent touch panel. For example, when a position surrounded by a frame such as "menu", "wide area", "details" is pressed, a touch corresponding to the display is made. The switch 13 is turned on. In the figure, 12d is a mechanical switch "TV" for selecting a TV function, 12e is a mechanical switch "search" for automatically searching for a receivable channel when pressed during TV reception, and 12f is an air conditioning function. Mechanical switch "air conditioner", 12j erases the screen or changes the brightness of the screen mechanical switch "brightness / screen off", 101 TV remote control switch light receiver, 102 adjusts TV image This is a TV image adjustment knob for operating.

Display 10, CD auto changer 80
The installation position of the notebook communication adapter 100 will be described with reference to FIG. As shown in FIG.
0 is a CD in the front console box in front of the driver's seat
The autochanger 80 is installed in the trunk room, and the notebook communication adapter 100 is installed in the floor console box arranged between the driver's seat and the passenger seat.

When the navigation device is driven,
On the display screen of the CRT 11 of the display unit 10, the current route of the vehicle and the travel route to the destination are displayed. At this time, the registered location and facility around the current location are displayed together with the current location.
Further, by operating the mechanical switch 12 and the touch switch 13, a search for a peripheral registered place and a peripheral facility is performed, the search result is displayed on the display screen of the CRT 11, and the driver can select the target peripheral registered place and peripheral facility. You can get information about.

FIG. 5 is a diagram showing an operation procedure for displaying a map of a place desired to be set as a registered place. An operation for displaying a map of a place desired to be set as a registered place will be described with reference to FIG. When the mechanical switch “Navi” 12a shown in FIG. 3 is pressed, the current position and the traveling direction of the vehicle are displayed with the mark M on the map as shown in FIG. 5 (a), and three corners of the display screen of the CRT 11 are displayed. Touch switch "wide area", "details", "menu" 13a
Is displayed.

When the "menu" on the touch switch 13a is pressed, as shown in FIG. 5B, the touch switches "national map", "facility", "registered place", destination "," CCDRA "are displayed.
An information search screen having "FT" 13b is displayed on the screen of the CRT 11. In addition, "wide area" of the touch switch 13a
Click "Details" to change the map scale. To display the map, there are two methods: pressing the “national map” on the touch switch 13b on the information search screen to use the national map, and pressing the “facility” on the touch switch 13b to use the facility.
There are different ways. The method of using the facility is convenient when you are near a station or department store, but for convenience of explanation,
A case will be described in which the "national map" of the touch switch 13b is pressed to select the method of using the national map. In addition,
If you press the "registered place" of the touch switch 13b, the registered place is called, if you press the "destination", the destination is called,
If you press "CDCRAFT", morning market, hot spring, golf course,
Guidance information of various facilities such as famous shops is displayed with audio.

When the "national map" on the touch switch 13b is pressed, the touch switches "Hokkaido", "Tohoku", "Kanto", "Chubu" are displayed together with the national map as shown in FIG. 5 (c).
"Kinki", "China", "Shikoku", "Kyushu", "Okinawa" 1
3c is displayed on the screen of the CRT 11. For example, when registering the registered place in Tokyo, if the "Kanto" touch switch 13c is pressed, the touch switches "Tochigi", "Gunma", and "Ibaraki" are displayed together with the map of the Kanto region, as shown in FIG. 5D. , "Saitama", "Chiba", "Tokyo", "Kanagawa",
"Yamanashi" 13d is displayed on the screen of the CRT 11.

When "Tokyo" on the touch switch 13d is pressed, as shown in FIG.
A map with a scale of 1 / 400,000 is displayed on the screen of the CRT 11 with a 4 × 4 mesh covered. In FIG. 5 (e), when the mesh of the area where the registered place is located (hatched in the figure) is pressed, as shown in FIG. 5 (f), the range is narrower than that of the map displayed in FIG. 5 (e). 4x map with a scale of 1 / 100,000
It is displayed on the screen of the CRT 11 with the mesh No. 4 covered.

In FIG. 5 (f), if the mesh (diagonal line in the figure) of the area where the registered place is located is pushed, as shown in FIG. 5 (g), the range is larger than that of the map displayed in FIG. 4 (f). For example, a narrow map with a scale of 1 / 50,000 is displayed on the screen of the CRT 11. In FIG. 5 (g), if the mesh of the detailed area where the registered place is located (hatched in the figure) is pressed, as shown in FIG. 5 (h), for example, in a range narrower than the map displayed in FIG. 5 (f), , A map with a scale of 1 / 25,000 is displayed, and registration of registered places becomes possible.

FIG. 6 is a diagram showing an operation procedure for registering a registered place. An operation for registering a registered place will be described with reference to FIG. FIG. 6A shows a map of a place desired to be set as a registered place, which is obtained through the operation procedure shown in FIG. In FIG. 6A, the touch switch 1
When "Menu" of 3a is pressed, as shown in FIG. 6B, touch switches "current location setting", "destination setting", "registered location setting", "environmental setting", "peripheral facility", "peripheral registration" A menu screen having "ground", "route information", and "direction information" 13e is displayed on the display screen of the CRT 11.

When the "registered place setting" of the touch switch 13e is pressed, a cross is displayed on the screen of the CRT 11 as shown in FIG. 6 (c), and the mechanical switch "set" 12i is pressed at the bottom to register the registered place. The operation guide message “Set → Set registered location” is displayed. Then, operate the mechanical switch "cursor" 12h shown in FIG.
After moving the cross to the place desired to be set as the peripheral registered place, press the mechanical switch "set" 12i.

Then, the display screen becomes as shown in FIG. 6 (d), and, for example, "home", "office", "villa", "friend", "relatives" are displayed on the screen of the CRT 11 according to the type of the peripheral registration place. , "Transaction", "Parking (P)",
Touch switch 13g with 15 kinds of marks corresponding to "gas station (GS)", "restaurant", "hospital", "ski", "hot spring", "caution 1", "caution 2", and "caution 3" At the same time, an operation guide message such as "Please select a symbol" is displayed at the bottom.

For example, when the touch switch 13g (hatched in the figure) corresponding to the "villa" mark is pressed, FIG.
As described above, an operation guidance message such as “Registered place has been set” is displayed at the bottom of the screen of the CRT 11. After that, as shown in FIG. 6 (f), a map and marks of the surrounding registered places are displayed. At this time, the registered place mark and the position information of the peripheral registered place are stored in the second memory 64a.
It should be noted that, after a few seconds have passed since the map and mark of the peripheral registration place were displayed, the screen changes to the present position screen.

As described above, the registered mark can be registered according to the type of the registered place, and the position of the registered place is stored together with the registered place mark. Therefore, the registered place mark can be displayed on the map. it can. Therefore, the driver can easily identify the type of surrounding registered place from the displayed registered place mark,
Improves usability. FIG. 7 shows a flowchart of a search operation for peripheral facilities and peripheral registered places.

In S1, the search area is set,
In S2, it is selected which of the peripheral facility and the peripheral registered place is to be searched. When the search for peripheral facilities is selected, an instruction to search for peripheral facilities is prompted in S3, and the central position of the search area is specified in S4. Then, in S5, the peripheral facilities associated with a plurality of mesh Nos in a predetermined range centered on the central position of the search area are displayed in the map memory 5
The information read from 0 and stored in the second memory 64b is searched. In S6, the searched peripheral facility name is displayed on the CRT 11.

On the other hand, when the search for the peripheral registration place is selected in S2, a command for searching the peripheral registration place is prompted in S7, and further S
At 4, the center of the search area is specified. Then, S
In 5, the peripheral registration locations associated with a plurality of mesh Nos in a predetermined range centered on the center position of the search area are searched from the information stored in the second memory 64b. In S6, the searched peripheral registration place name is displayed on the CRT 11.

FIG. 8 is a diagram showing an operating procedure for searching for peripheral facilities. With reference to FIG. 8, the peripheral facility search operation will be described in more detail. FIG. 8A shows a display screen of the present location. When the "menu" of the touch switch 13a on the display screen of the present location is pressed, the menu screen having the touch switch 13e is CR as shown in FIG. 8B.
It is displayed on the display screen of T11.

When the "peripheral facility" of the touch switch 13e is pressed, as shown in FIG. 8C, for example, the touch switch "station" displayed with a mark corresponding to the type of the peripheral facility,
"IC", "golf course", "hotel", "department store" 1
One screen of facility information having 3h or two screens of facility information having touch switches "leisure", "museum", "dealer", "airport", "ferry", and "JAF" 13i are displayed on the screen of the CRT 11. Facility information 1
Pressing the touch switch "next page" 13j on the screen changes to the facility information 2 screen, and pressing the touch switch "previous page" 13k on the facility information 2 screen changes to the facility information 1 screen.

For example, when the "dealer" of the touch switch 13i on the facility information 2 screen is pressed, the dealer associated with the mesh number in the predetermined range centered on the current location is read out from the map memory 50 and the second number is displayed. Memory 6
4a, the information stored in FIG.
As shown in (d), touch switches 13l indicating the names of dealers in Tokyo are displayed on the screens of the plurality of CRTs 11.

For example, when the touch switch 13l "Tokyo Higashi HQ Headquarters" is pressed, a map with the selected dealer is displayed on the screen of the CRT 11 as shown in FIG. 8 (e). In FIG. 8 (e), the touch switch 13a
If you press "Information", the address, telephone number, etc. of the selected dealer will be displayed. In this way, since the peripheral area is searched after the type of peripheral facility is specified and the search area is set, information on the nearest peripheral facility can be obtained in a short time.

FIG. 9 is a diagram showing an operation procedure for searching for a peripheral registration place. With reference to FIG. 9, the search operation of the peripheral facility of the peripheral registration place will be described in more detail. FIG. 9A shows
The display screen of the present location is shown. When the "menu" of the touch switch 13a is pressed on the display screen of the present location, a menu screen having the touch switch 13e is displayed on the display screen of the CRT 11 as shown in FIG. 9B.

When the "neighboring registered location" of the touch switch 13e is pressed, nine secondary meshes (for example, 30 ×, for example, a secondary mesh where the current location mark M exists and eight secondary meshes around the current location). (30 km) is set as the search area, and the peripheral registration place existing in this search area (for example, 30 × 30 km) is searched from the information stored in the second memory 64a, and the area shown in FIG. )like,
For example, the touch switch 13m indicating the registered place name is displayed on the screen of the CRT 11 together with the mark corresponding to the type of peripheral registered place.

For example, when the "Karuizawa Besso" of the touch switch 13me is pressed, a map with the selected peripheral registration place ("Karuizawa Besso") is displayed on the screen of the CRT 11 as shown in FIG. 9D. Note that FIG.
In (d), when "information" of the touch switch 13a is pressed, the address, telephone number, etc. of the selected peripheral registration place are displayed.

After setting the search area in this way,
Since the peripheral registration place is searched, information on the nearest peripheral registration place can be obtained in a short time. That is, in the navigation device of the present embodiment, the registered place can be registered, and the registered registered place and the peripheral facility can be displayed on the map together with the current position mark, which improves usability.

Further, the peripheral facility and the peripheral registered place are stored together with the name in association with the mesh number of the map data and the coordinate position on the mesh, and when searching the peripheral facility or the peripheral registered place. In addition, by setting a plurality of meshes in a predetermined range as a search area, the center of the area to be searched is designated, and the periphery associated with a plurality of mesh Nos in a predetermined range centered on the center position of the search area Since the facility or the peripheral registered place is searched from the stored information, the information on the peripheral facility and the peripheral registered place can be obtained in a short time.

Further, the peripheral facility is stored with a predetermined mark according to the type of the peripheral facility, and the peripheral registration site can be registered with a predetermined mark according to the type of the registration site, and the registration mark can be used. Since it is stored, the facility mark and registered location mark are displayed above the map data, and the search results are also displayed together with the facility mark and registered location mark. Easy to identify.

Therefore, there is an excellent effect that the driver can concentrate on driving. The present invention is not limited to the above embodiment, and many modifications and changes can be made within the scope of the present invention.
In the above embodiment, the GPS (Global Positioning Syste
m) The receiver may be connected to the locator and the beacon receiver may be connected to the MIC.

[0049]

As is apparent from the above description, according to the first aspect of the present invention, it is possible to obtain the information on the peripheral facilities displayed on the map on which the current position of the vehicle is displayed in a short time.
According to the second aspect, it is possible to display the peripheral facility and the peripheral registered place on the map with a mark according to the type, and to obtain the information in a short time.

According to the third aspect, it is possible to arbitrarily specify a position to be searched, and it is possible to obtain information around the specified position in a short time.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a navigation device according to an embodiment of the present invention.

FIG. 2 is a functional block diagram of the MIC.

FIG. 3 is a front view of a display device.

FIG. 4 is a perspective view showing installation positions of a display, a CD autochanger, and a notebook communication adapter.

FIG. 5 is a diagram showing an operation procedure for displaying a map of a place desired to be set as a registered place.

FIG. 6 is a diagram showing an operation procedure for registering a registered place.

FIG. 7 is a flowchart of a search operation for peripheral facilities and peripheral registered places.

FIG. 8 is a diagram showing an operation procedure for searching for peripheral facilities.

FIG. 9 is a diagram showing an operation procedure for searching for a peripheral registration place.

[Explanation of symbols]

 10 Display 11 CRT 12, 12a-12j Mechanical Switch 13, 13a-13m Touch Switch 14 Monitor 20 Geomagnetic Sensor 30 Vehicle Speed Sensor 40 Shift Sensor 50 Map Memory 60 Navigation ECU 61 Vibration Gyro 62 CD Drive 63 Locator 64 MIC 64a First Memory 64b Second memory 64c CPU 70 Graphic generator M mark

Claims (3)

[Claims] 1. A navigation device, which is mounted on a mobile body, detects a current location of the mobile body, and displays the current location and a map read from a map memory on a display device, the mark to be displayed at a predetermined position on the map. A mark storage means for storing the mark, a data storage means for storing arbitrary data corresponding to the mark stored in the mark storage means, and a map stored in the mark storage means when the map displayed on the display includes the display position of the mark. Mark display control means for displaying the displayed mark at its display position, search signal input means for inputting a search signal, and centering on the current position of the moving body in response to the search signal being input from the search signal input means. The mark storage means is searched for a mark to be displayed on the map within a predetermined range, and the data corresponding to the searched mark is read from the data storage means. ,
A navigation device comprising a search means for displaying a searched mark and read data on a display. 2. The navigation device according to claim 1, wherein the mark indicates a pre-registered peripheral facility and the type of a peripheral registration place arbitrarily registered, and the mark storage means is the arbitrarily registered registration. A navigation device characterized by storing a ground mark. 3. The navigation device according to claim 1, further comprising a designating unit that designates a position to be searched, and the search unit has a predetermined range centered on the position designated by the designating unit. Navigation device characterized in that the mark to be displayed on the map is searched from the mark storage means, the data corresponding to the searched mark is read from the data storage means, and the searched mark and the read data are displayed on the display. .