JP2001183152A - Navigation method and device to display various data associated with navigation such as route form starting point to destination - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation method and device to receive GPS signals to display a route from a starting point to a destination especially provided with functions to link external data and external groups to main map data, to transmit and receive data from an external station, etc. SOLUTION: The navigation method and device are provided with a step to store main map data, a plurality of items of data associated with navigation derived from the main map data, data on external data and external groups, etc., in memory, a step to edit and delete the stored data, a step to retrieve a present location from the main-map data and GPS signals, a step to retrieve a route along a road from a starting point to destination, a step to compute the distance of the retrieved route from the starting point to the destination, and a step to display the retrieved route as a track. In the navigation method and device, external data such as an original map and compact flash is linked to the main map data. By this constitution, it is possible to utilize external map data also for retrieving and displaying a route.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation method and a navigation apparatus for displaying a route from a starting point to a destination on a map by receiving a GPS signal.
In particular, the present invention relates to a navigation method and a navigation device having functions of linking external data and an external group to main map data, and exchanging data with an external station.

[0002]

2. Description of the Related Art Conventionally, there is an on-vehicle navigation device that receives a GPS signal to determine a current position and displays a route from the current position to a destination on a map. This navigation device is GP
The current position is obtained by receiving the S signal, and the current position is displayed on the main map data stored in the internal memory. Then, when a destination is input, a route from the current position to the destination is displayed. It is configured to:

[0003]

This conventional navigation device only displays a route on main map data stored therein. Therefore, other data necessary for navigation such as weather and temperature, and a detailed map cannot be displayed. Further, it was not possible to exchange map data from outside, data connected to an external station, exchange data with an external group, and the like.

[0004]

According to a first aspect of the present invention, there is provided a first folder for storing main map data, and a second folder for storing a plurality of data associated with navigation derived from the main map data. Storing in a memory a third folder for storing external data and data relating to an external group; and editing and deleting data stored in the second and third folders;
Searching for the current position based on the main map data and the GPS signal; searching for a route along the road from the departure point to the destination; calculating the distance of the route from the departure point to the destination; Displaying the searched route as a locus, and linking external data to the main map data.

According to a second aspect of the present invention, in the first aspect of the present invention, a step of searching for a straight route connecting the departure point and the destination with a straight line, and calculating a straight route distance from the departure point to the destination. And a step.

According to a third aspect of the present invention, in each of the first and second aspects of the present invention, a step of selecting a folder for storing data stored in the compact flash as external data, The method includes the steps of cutting out the data, calculating the scale of the cut-out data, and displaying the cut-out data linked to the main map data.

According to a fourth aspect of the present invention, in each of the first to third aspects of the present invention, a step of creating an original map as external data, a step of reading the original map by a scanner, Selecting a folder for storing the original map, cutting out the data of the original map, calculating the scale of the cut out map, and displaying the data from the cut out original map and the main map data in a linked manner. It has the following.

According to a fifth aspect of the present invention, there is provided the method according to the first to fourth aspects, further comprising a step of simulating a route and a straight route.

The invention according to claim 6 has a step of storing daily varying data such as sunrise / sunset data, tide data, and atmospheric pressure data in a second folder.

The invention according to claim 7 is a step of creating a mobile phone list file as an external group and adding it to a point list, a step of selecting a mobile phone list from the point list, and a step of determining a desired mobile phone owner. A search step and a step of displaying an icon of the searched mobile phone owner on a map are provided.

The invention according to claim 8 is a step of creating a transceiver list file as an external group,
A transceiver list is selected from a point list, a desired transceiver owner is searched, and an icon of the searched owner is displayed on a map.

[0012] The invention according to claim 9 is an infrared communication network,
It has a step of connecting to an external station such as a D-GPS receiver or a television.

According to a tenth aspect of the present invention, there is provided an antenna for receiving a GPS signal, a receiver for receiving a GPS signal,
A first folder for storing main map data, a second folder for storing a plurality of data associated with navigation derived from the main map data, and a second folder for storing external data and data relating to external groups. , A memory for storing the third folder, a CPU for controlling the entire apparatus, an input device for inputting external data and inputting data from an external station, and an output device for outputting data to the external station and an external group And a display device for displaying each data, and an input / output control unit for controlling the input device, the output device, and the display device. The CPU has a function of editing and deleting data stored in the second and third folders. And a function to search the current position based on the main map data and the GPS signal, and to connect with a route along the road from the departure point to the destination and a straight line A function to search for a line route, a function to calculate a route distance along a road from a departure point to a destination and a straight line distance, a function to create and display a locus of the searched route and a straight line route, and external data. Is linked to the main map data.

[0014] In the invention according to claim 11, the input device comprises:
The CPU is connected to the CompactFlash via the insertion section of the CompactFlash, and the CPU cuts out the data stored in the CompactFlash, stores it in the created folder, and calculates the scale of the cutout data. And a group check function for searching by linking the extracted data to a map cut out from the main map data.

According to a twelfth aspect of the present invention, there is provided a scanner connected to the input device for reading the original map, the CPU stores the read original map in the created folder, and stores the data of the original map. A function to calculate the scale of the extracted external map data, and a group check function to search by linking the external map data from the original map to the main map data or a map cut out from this main map data. It is intended to have.

According to a thirteenth aspect of the present invention, the CPU has a function of simulating a route and a straight route.

According to a fourteenth aspect of the present invention, the memory has a memory for storing data that fluctuates daily, such as sunrise / sunset data, tide data, and atmospheric pressure data, in the second folder. .

According to a fifteenth aspect of the present invention, the CPU has a function of selecting a mobile phone or a transceiver as an external group connected to the input and output devices, and a function of storing the owner of the mobile phone or the transceiver in the point list. And a function of searching for the owner of the selected mobile phone or transceiver and a function of creating an icon of the owner of the selected mobile phone or transceiver on a map.

[0019] According to a sixteenth aspect of the present invention, the input / output control section includes an infrared communication network, a D-GP
It has a function of enabling selection of connection to any one of S, television, and the like.

[0020] In the invention according to claim 17, the receiver is a GP.
Even when the S signal is being received, an emergency signal can be received unconditionally.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 shows an embodiment of the present invention, in which a main part flowchart for inputting external data,
2 is a main part configuration diagram, FIG. 3 is a layout of a main setting screen of the display device, FIG. 4 is a flowchart for displaying a route to a destination, FIG. 5 is a flowchart for simulating a searched route, and FIG. 7 is a flowchart for performing road navigation, FIG. 7 is a flowchart for performing adventure navigation, FIG. 8 is a flowchart for performing adventure tools, FIG. 9 is a flowchart for performing return navigation, and FIG. 10 is a navigation device. It is a perspective view.

1 to 3, reference numeral 1 denotes a navigation device according to the present invention, which is a CPU 2 for controlling the entire device, an input device 3 for inputting data from an external group 14 and an external station 15, and outputting data to the external station 15. Output device 4, display device 5 for displaying each data, input device 3 and output device 4, input / output control unit 6 for controlling display device 5, antenna 7 for receiving GPS signal, receiver 8 for receiving GPS signal , A first folder 9a for storing main map data, and a second folder 9b for storing a plurality of data associated with navigation derived from the main map data.
And a third folder 9c for storing external data and data relating to external groups.

The input device 3 has an insertion port (not shown) for inserting a compact flash 11 as external data, and an input terminal for connecting to an output terminal of a scanner 13 for reading an original map 12. , An input terminal for connecting an external group device, and an input terminal for connecting to an external station. The output device 4 has an output terminal for outputting data to an external station.

The memory 9 has a first folder for storing main map data in each file, a second folder for storing a plurality of data associated with navigation derived from the main map data in each file, At least a third folder for storing data relating to external groups and data relating to external groups in respective files. Further, in the third folder, data that fluctuates every day, such as sunrise and sunset, tide data, and the like are stored in a file.

The main setting screen 20 of the display device shown in FIG.
, A "road navigation" icon 20a for setting a route to a destination, an "adventure navigation" icon 20b for searching for a route between a departure point and a destination connected by a straight line, and an adventure navigation. "Adventure Tool" icon 20c for setting tools for
A "current position" icon 20d for receiving a PS signal to determine a current position, a "data edit" icon 20e for editing various data, and a "main setting" icon 20f for setting main data. Icons for selecting the six menus are displayed.
Further, an icon L1 indicating the state of charge of the power supply and an icon 3D indicating the state of reception from the satellite are displayed.

First, when using the navigation device 1 of the present application, a main setting screen 20 is displayed, and various data are set.

The method of searching for a route by the navigation device 1 of the present application includes a road navigator that displays a route from a desired departure point to a destination by a route along a road, and a shortest distance from the departure point to the destination, that is, a straight line. There is an adventure navigation displayed on a straight route connected by.

First, a road navigation for searching and displaying a route along a road from a departure point to a destination will be described based on the flowcharts shown in FIGS. When the main setting screen 20 shown in FIG. 3 is called on the screen of the display device 5 (step 50), and the load navigation icon 20a is selected (step 51), the menu display screen 21 is displayed (step 52). The menu display screen 21 includes "intersection display" 21a, "current position" 21b, "determine destination" 21c, "find location" 21d, "navigation setting" 21e, "map display setting" 21g, and "group". There are menus such as "Check 21f" and "Window setting" 21h.

First, when the menu of the “current position” 21 b is selected, the GPS signal is input to the receiver 8 via the antenna 7. The input GPS signal is input from the input device 3 to the CPU 2 via the input / output control unit 6, the current position is calculated, and this value is set. In this application, even if the menu is being executed, it is possible to inquire whether or not to cancel the menu being executed in the middle. If the menu is canceled, the menu returns to the menu display screen 21. , The running menu is continued (not shown).

Next, as shown in FIGS. 1 and 4, when the menu of "decide destination" 21c is selected (step 53), the starting point selection menu screen 22 is displayed (step 54). Then, when a departure place is selected from this menu (step 55), there is an inquiry as to "is this OK?" (Step 56), and in the case of YES, the destination selection menu screen 23 is displayed (step 56). Step 57). In the case of NO, the process returns to the destination point selection menu screen 23. The destination selection menu screen 23 has menus such as "by cursor", "point list", and "to home".

When a destination is selected from the destination selection menu screen 23 (step 58), there is a confirmation of selection of an inquiry as to whether or not this is appropriate (step 59). Which one to pass is selected (step 60). In the case of NO, the screen returns to the destination selection menu screen 23. Next, there is an inquiry as to whether or not there is a next destination (step 61). If YES, the process returns to the destination selection menu screen 23 again,
The next destination is determined in a similar procedure. In the above steps,
The current position, destination, departure place, etc. are determined. In the case of NO, the screen returns to the menu display screen 21 and each menu is displayed.

Here, in the case of the present application, external map data can be input as external data, and can be displayed in a form linked to the main map data stored in the memory 9. The external map data includes map data stored in a commercially available compact flash 11 and an arbitrary map read by the scanner 12, that is, map data of the original map 12. Hereinafter, this will be described.

With the above procedure, the current position, destination, departure place, etc. are determined. If "NO" is inquired as to whether or not there is a next destination (step 61), the display returns to the menu display screen 21. , Each menu is displayed again (step 52).

Here, a case where a route is displayed by linking map data stored in the compact flash 11 as main map data as external map data will be described. When "map display setting" 21g is selected on the menu display screen 21 (step 62), the map display setting menu screen 24 is displayed (step 6).
3). Therefore, either the compact flash 11 or the original map 12 is selected as the external map data (step 64).

When the compact flash 11 is selected, a message "insert compact flash" is displayed (step 65). When the compact flash 11 is inserted into the insertion slot of the input device 3, the compact flash 11 is inserted. Is selected, and the data is stored in this folder (step 66). Necessary map data is cut out from the stored external map data (step 67).

Next, after the scale of the extracted external map data is calculated (step 68), the external map data and the main map data are linked (step 69).
Next, the external map data cut out on the main map data stored in the memory 9 is displayed on the screen of the display device 5 in a linked manner (step 71). The displayed external map data is also used for route search. Therefore, the created route locus on the main map data is also displayed on the external map data. If NO, the process returns to "Selection of cutout map" (step 67).

Next, a case will be described in which the original map 12 is displayed so as to be superimposed on a corresponding location on the main map data stored in the memory 9. When the original map 12 is selected on the map display setting menu 24 (step 72), map data from the original map 12 can be read by the scanner 13 as external map data (step 73). This data is stored in the scanner 13
Are temporarily stored in the memory 9 of the CPU 2 via the input device 3 and the input / output control unit 6. Here, original map 1
Examples of the map 2 include a commercially available map, a handwritten map, a town information map, and other suitable maps.

The original map 1 input to the memory 9
A folder in which the external map data from step 2 is stored is selected and stored therein (step 66). Next, as in the case of the compact flash 11, a necessary portion of the map data of the original map 12 is cut out (step 67), and after its scale is calculated (step 68),
Linked to the main map data (step 69), and then there is an inquiry as to whether or not to display (step 7).
0), displayed on the screen of the display device in the same manner as above (step 71).

Next, a case where the created route is simulated will be described. As shown in FIG. 5, the screen returns to the menu display screen 21 and selects "navigation setting" 21e (step 80). Subsequently, when a travel simulation is selected (step 81), a route is displayed. When a route is selected from the route (step 8).
2), there is an inquiry "Do you want to simulate this route" (step 83).

If YES, simulation is started (step 84) and executed (step 8).
5). When the simulation is completed, there is an inquiry of "Do you want to finish?" (Step 86), and if YES, the road navigation is started (step 87).
In the case of NO, the process returns to "simulation start" (step 84), and the simulation is executed again.

On the other hand, when the road navigation is started, a route is displayed (step 88). Subsequently, there is an inquiry of "Are you sure you want to cancel the navigation?" (Step 89). If YES, the process returns to the menu display screen 21 (step 90).

Further, the navigation device 1 of the present application has a group check function. As the external group 14,
The mobile phone 14a and the transceiver 14b can be set, so that the position and the like of the owner can be searched, and the information from the external group 14 can be input. Hereinafter, this will be described.

When using the navigation device 1 of the present application, a main setting screen 20 is displayed, and various data are set. At the time of the setting, the relationship between the mobile phone number, the radio frequency of the transceiver, and the owner is also registered.
Therefore, as shown in FIG. 6, when "group check" 21f is selected on the menu display screen 21 (step 91), the group display screen 25 is displayed (step 92).

Next, when the mobile phone 14a is selected in the selection of the external group 14 (step 93) (step 94), a list of owners of the mobile phone 14a is displayed (step 95). When the target owner is selected from this list (step 96), there is an inquiry as to "is this OK?" (Step 97).
The group check is started (step 98), the icon of the target mobile phone owner is displayed on the displayed map (step 99), and a mobile phone folder is created on the point list (step 10).
0), the name of the person who is displaying is displayed (step 1)
01). Next, the screen shifts to the menu display screen 21 of the road navigation or the adventure navigation (step 10).
2).

Similarly, as shown in FIG. 6, the transceiver 14b is selected as the selection of the external group 14 (step 93).
Is selected (step 103), a message "Connect the transceiver" is displayed (step 1).
04), upon connection, the icon of the other party is displayed on the map (step 105), a transceiver folder is created on the point list (step 106), and the name of the owner is displayed therein (step 107). . Next, similarly to the above, the screen shifts to the menu display screen of the road navigation or the adventure navigation (step 10).
2).

Further, the navigation device 1 of the present application has a function of connecting to the external station 15 and inputting / outputting data. As the external station 15, the infrared communication 15
a, a D-GPS receiver 15b, a television 15c, and the like can be set, and information from these external stations 15 can be input and information can be output to these external stations 15.

When an emergency call is made during communication with the external group 14, the navigation is stopped by pressing the stop button 26 on either the mobile phone 14 a or the transceiver 14 b, and the group display screen 25 is displayed. It is configured to return (step 108).

Next, editing of data will be described. FIG.
As shown in (1), when the "edit data" icon 20e on the main setting screen 20 is selected (step 110), the edit menu 27 is displayed (step 111). In the case of the present application, the edit menu 27 includes “route data”.
27a, "point data" 27b, "stored locus data" 27c, and "telephone number" 27d, and a menu desired to be edited is selected from these menus (step 11).
2).

For example, when editing the point data 27b or adding new data, the respective icons are selected (step 113, step 113).
a), a character input screen is displayed (step 11)
4) After the data is edited or additionally input, the data is saved (step 115). Next, the process returns to the edit menu screen 27 (step 111). When deleting data,
When deletion is selected (step 113b), there is an inquiry as to whether or not to delete (step 116), data is deleted with YES (step 117), and then NO
As in the case of, the process returns to the edit menu screen 27 (step 110).

Next, a straight route is searched. The adventure navigation to be displayed will be described. On the screen of the display device 5, the main setting screen 20 shown in FIGS.
As shown in FIG. 7, the adventure navigation icon 20b
Is selected (step 120), the menu display screen 21 is displayed as in the case of the road navigation. On the menu display screen 21, menus such as "current position", "determine destination", "find place", "natural information", "map display setting", "group check", and "window setting" are displayed. It is displayed (step 52).

As in the case of the road navigation, for example, when the menu of "decide destination" 21c is selected (step 121), a message "Where do you want to leave?" , A starting point is selected (step 122). Next, a message "Where do you want to go?" Is displayed, a destination is selected (step 123), and after zoom display (step 1).
24), an inquiry as to whether or not this is acceptable is entered (step 125), an inquiry as to whether or not there is a next destination is entered (YES in step 126), and a return to the destination selection screen is made with YES.

On the other hand, in the case of NO, as shown in FIG. 1, the adventure route selected and set is displayed on the display screen of each setting item (step 127). Then
An inquiry to save this route is entered (step 128), and if YES, the route is saved (step 129), and adventure navigation is started (step 130). In the case of NO, the adventure navigation is started without saving (step 130), the route is automatically displayed (step 131), and there is an inquiry as to whether or not to stop the navigation (step 132). Return to If NO, the automatic route display continues.

As shown in FIG. 8, when the adventure tool 20c is selected on the main setting screen 20 (step 140), the atmospheric pressure, altitude, compass, etc. are selected (step 141), and the map measure is selected (step 14).
2) The measurement point selection menu 28 is displayed, the measurement point is selected (step 143), and there is an inquiry as to whether or not it is good (step 144). In the case of YES, the target point is selected (step 145). If the destination is also good (step 146), an adventure route is set (step 147). Others are the same as in the case of the road navigation.

Next, return navigation will be described. FIG.
When return navigation is selected on the departure point selection screen shown in step 122 (step 150), as shown in FIG. 9, there is an inquiry as to whether or not to make a route with the trail of the adventure navigation (step 151), and YES In this case, the return navigation is started (step 152), and the process proceeds to the adventure navigation 20b on the main setting screen 20 (step 153). On the other hand, in the case of NO, the process directly proceeds to the adventure navigation 20b on the main setting screen 20. Next, the adventure navigation is started as shown in FIG.

[0055]

According to the first aspect of the present invention, there is provided a first folder for storing main map data, a second folder for storing a plurality of data associated with navigation derived from the main map data, Storing in a memory a third folder for storing external data and data relating to the external group; editing and deleting data stored in the second and third folders;
Retrieving the current position from the PS signal, retrieving a route along the road from the departure point to the destination, calculating the distance of the route from the departure point to the destination, And a step of linking external data to the main map data, so that external map data can be input and used for search and display of a route.

According to a second aspect of the present invention, in the first aspect, a step of searching for a straight line route connecting the departure point and the destination with a straight line, and calculating a straight route distance from the departure point to the destination. Since the method further includes steps, the shortest distance to the destination can be displayed.

According to a third aspect of the present invention, in each of the first and second aspects of the present invention, a step of selecting a folder for storing data stored in the compact flash as external data, In addition to cutting out the data, there is a step of calculating the scale of the cut out data, and a step of linking and displaying the cut out data and the main map data. The stored map data can also be used.

According to a fourth aspect of the present invention, in each of the first to third aspects of the present invention, a step of creating an original map as external data, a step of reading the original map with a scanner, and a step of reading data of the original map Selecting a folder for storing the original map, cutting out the data of the original map, calculating the scale of the cut out map, and displaying the data from the cut out original map and the main map data in a linked manner. Because it has a map, you can search for routes on regular maps and maps created arbitrarily,
It can also be used for display.

The invention according to claim 5 is the invention according to claims 1 to 4, wherein the method further comprises a step of simulating a route and a straight route, so that a route along a normal road to a destination is provided. And a straight route representing the shortest distance can be displayed.

The invention according to claim 6 has a step of storing data that fluctuates every day, such as sunrise / sunset data, tide data, and atmospheric pressure data, in the second folder. Can also be set.

According to a seventh aspect of the present invention, a mobile phone list file is created as an external group and added to a point list, a mobile phone list is selected from the point list, and a desired mobile phone owner is identified. Since the method includes the step of searching and the step of displaying the icon of the searched mobile phone owner on the map, the position of the mobile phone owner can also be displayed.

The invention according to claim 8 is a step of creating a transceiver list file as an external group,
Since the step of selecting a transceiver list from the point list, the step of searching for a desired transceiver owner, and the step of displaying an icon of the searched owner on a map, the position of the transceiver owner is also displayed. I can do it.

The invention according to claim 9 is an infrared communication network,
Since it has a step of connecting to an external station such as a D-GPS receiver or a television, it is possible to communicate with the external station and also to input data from the outside and use it for route search and display.

According to a tenth aspect of the present invention, an antenna for receiving a GPS signal, a receiver for receiving a GPS signal,
A first folder for storing main map data, a second folder for storing a plurality of data associated with navigation derived from the main map data, and a second folder for storing external data and data relating to external groups. , A memory for storing the third folder, a CPU for controlling the entire apparatus, an input device for inputting external data and inputting data from an external station, and an output device for outputting data to the external station and an external group And a display device for displaying each data, and an input / output control unit for controlling the input device, the output device, and the display device. The CPU has a function of editing and deleting data stored in the second and third folders. And a function to search the current position based on the main map data and the GPS signal, and to connect with a route along the road from the departure point to the destination and a straight line A function to search for a line route, a function to calculate a route distance along a road from a departure point to a destination and a straight line distance, a function to create and display a locus of the searched route and a straight line route, and external data. Is linked to the main map data, so that a navigation device capable of inputting map data from the outside and searching for and displaying a route can be obtained.

According to the invention of claim 11, the input device is:
The CPU is connected to the CompactFlash via the insertion section of the CompactFlash, and the CPU cuts out the data stored in the CompactFlash, stores it in the created folder, and calculates the scale of the cutout data. And a function for searching by linking the extracted data to a map cut out from the main map data, so that a navigation device capable of using external map data can be obtained.

According to a twelfth aspect of the present invention, there is provided a scanner connected to the input device for reading the original map, wherein the CPU stores the read original map in the created folder, and stores data of the original map. A function to calculate the scale of the extracted external map data, and a group check function to search by linking the external map data from the original map to the main map data or a map cut out from this main map data. As a result, a navigation device that can retrieve and display a route incorporating an arbitrarily created map can be obtained.

According to a thirteenth aspect of the present invention, since the CPU has a function of simulating a route and a straight route, a navigation device capable of displaying a route along a normal road or a straight route indicating the shortest distance is obtained. Can be

According to a fourteenth aspect of the present invention, the memory has respective memories for storing data that fluctuates daily such as sunrise / sunset data, tide data, and atmospheric pressure data in the second folder. A navigation device capable of performing a route search in consideration of the above is also obtained.

According to a fifteenth aspect of the present invention, the CPU has a function of selecting a mobile phone or a transceiver as an external group connected to the input and output devices, and a function of storing the owner of the mobile phone or the transceiver in the point list. And a function to search for the owner of the selected mobile phone or transceiver and a function to create an icon of the owner of the selected mobile phone or transceiver on the map. Since the position can also be searched and displayed, a navigation device that can be used for a group of friends or the like can be obtained.

According to a sixteenth aspect of the present invention, the input / output control unit includes an infrared communication network, a D-GP
Since it has a function of enabling selection of connection to any one of S, television, and the like, it is possible to obtain a navigation device capable of inputting and using data from an external station or providing data to the external station.

The invention according to claim 17 is characterized in that the receiver is a GP.
Even if an S signal is being received, the navigation device has a function of receiving an emergency signal unconditionally, so that a navigation device that can receive an emergency signal at any time can be obtained.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is a main part flowchart showing a navigation method for displaying a route when a compact flash or an original map is input as external data and when data is edited.

FIG. 2, showing an embodiment of the present invention, is a configuration diagram of a main part of a navigation device.

FIG. 3 shows an embodiment of the present invention, and is a diagram showing a layout when a main setting screen 20 is displayed on a display screen of a display device 5;

FIG. 4 shows an embodiment of the present invention and is a flowchart for displaying a route from a departure place to a destination.

FIG. 5 shows an embodiment of the present invention and is a flowchart for simulating a searched route.

FIG. 6 shows an embodiment of the present invention and is a flowchart in the case of performing road navigation.

FIG. 7 shows an embodiment of the present invention and is a flowchart in the case of performing adventure navigation.

FIG. 8 shows an embodiment of the present invention, and is a flowchart in the case of performing an adventure tool.

FIG. 9 shows an embodiment of the present invention and is a flowchart in the case of performing return navigation.

FIG. 10 shows an embodiment of the present invention and is a perspective view of a navigation device.

[Explanation of symbols]

 Reference Signs List 1 navigation device 2 CPU 3 input device 4 output device 5 display device 6 input / output control unit 10 external data 11 compact flash 12 original map 13 scanner 14 external group 14a mobile phone 14b transceiver 15 external station 15a infrared communication 15b D-GPS

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Claims (17)

[Claims] 1. A first folder storing main map data, a second folder storing a plurality of data associated with navigation derived from the main map data, and external data and data relating to external groups. Storing a third folder for storage in a memory; editing data stored in the second and third folders;
A step of searching for a current position based on the main map data and the GPS signal; a step of searching for a route along a road from a departure point to a destination; and a step of searching for a route along a road from a departure point to a destination. Calculating a distance; displaying the searched route as a trajectory; and linking the external data to the main map data. A navigation method that displays data associated with 2. The method according to claim 1, further comprising the steps of: searching for a straight route connecting the departure place to the destination with a straight line; and calculating the straight route distance from the departure place to the destination. Navigation method described in. 3. A step of selecting a folder for storing data stored in the compact flash as the external data, cutting out data from the compact flash, and calculating a scale of the cut out data; And displaying the linked data and the main map data in a linked manner. 3. The data from the departure point to the destination according to claim 1 or 2, further comprising: Show navigation method. 4. A step of creating an original map as external data, a step of reading the original map with a scanner, a step of selecting a folder for storing the data of the original map, cutting out the data of the original map, Calculating a scale of the cut-out map; and linking and displaying the data from the cut-out original map and the main map data. A navigation method that displays the route and other data associated with navigation from the departure point to the destination described. 5. The method according to claim 1, further comprising the step of simulating the route and the straight route.
A navigation method for displaying a route from a departure point to a destination and other data accompanying navigation according to each of claims 4 to 5. 6. Sunrise / sunset data, tide data,
6. The method according to claim 1, further comprising a step of storing data that fluctuates daily such as atmospheric pressure data in said second folder. Navigation method for displaying data. 7. A step of creating a mobile phone list file as an external group and adding it to a point list; a step of selecting a mobile phone list from the point list; a step of searching for a desired mobile phone owner; Displaying the icon of the searched mobile phone owner on the top of the route, the data from the departure point to the destination and other data associated with the navigation according to each of claims 1 to 6. Show navigation method. 8. A step of creating a transceiver list file as an external group; a step of selecting a transceiver list from the point list; a step of searching for a desired transceiver owner; and a step of searching for a desired transceiver owner on the map. 7. The navigation method according to claim 1, further comprising the step of: displaying an icon, a route from a departure point to a destination, and other data associated with navigation. 9. A route from a departure point to a destination according to claim 1, further comprising a step of connecting to an external station such as an infrared communication network, a D-GPS receiver, and a television. A navigation method that displays data associated with other navigation. 10. An antenna for receiving a GPS signal, a receiver for receiving a GPS signal, a first folder storing main map data, and storing a plurality of data associated with navigation derived from the main map data. A second folder for storing external data and a third folder for storing external data and data relating to external groups; a CPU for controlling the entire apparatus; An input device for inputting data of the above, an output device for outputting data to an external station and an external group, a display device for displaying each data, an input / output control unit for controlling the input device, the output device and the display device, The CPU has a function of editing and deleting data stored in the second and third folders; G
The function to search the current position by the PS signal, the function to search the route along the road from the departure point to the destination and the straight line route connected by a straight line, the function to search the route distance along the road from the departure point to the destination, A function to calculate the straight route distance,
A function of creating and displaying the trajectory of the searched route and the straight route, a function of linking external data to the main map data, and a function of accompanying a route from the departure point to the destination and other navigation. Navigation device that displays the data to be processed. 11. The input device is connected to a compact flash via a compact flash insertion portion,
The CPU cuts out the data stored in the compact flash, stores it in the created folder, calculates the scale of the cut out data, and displays the cut out data on the map cut out from the main map data. 11. The navigation device according to claim 10, further comprising: a group check function for performing a search by linking to a route from the departure point to the destination. 12. A scanner connected to the input device for reading an original map, wherein the CPU stores the read original map in a created folder, cuts out data of the original map, and It has a function of calculating the scale of the extracted external map data, and a group check function of searching by linking the external map data from the original map to the main map data or the map cut out from the main map data. 13. A navigation device for displaying a route from a departure point to a destination and other data associated with navigation according to claim 10. 13. The method according to claim 10, wherein the CPU has a function of simulating the route and the straight route. A navigation device that displays data. 14. The memory according to claim 10, wherein the memory stores data that fluctuates daily, such as sunrise / sunset data, tide data, and atmospheric pressure data, in the second folder. 13. A navigation device for displaying a route from the departure point to the destination described in 13 and other data associated with navigation. 15. The CPU has a function of selecting a mobile phone or a transceiver as an external group connected to the input and output devices, a function of storing an owner name of the mobile phone or the transceiver in a point list, and 15. The apparatus according to claim 11, further comprising a function of searching for an owner of the mobile phone or the transceiver and a function of creating an icon of the selected owner of the mobile phone or the transceiver on a map. A navigation device that displays the route and other data associated with navigation from the departure point to the destination. 16. The apparatus according to claim 10, wherein said input / output control unit has a function of selecting connection to any one of an infrared communication network, a D-GPS, a television and the like as said external station. Item 15. A navigation device for displaying a route from a departure point to a destination and other data associated with navigation as described in Item 15. 17. The departure point according to claim 10, wherein the receiver has a function of receiving an emergency signal unconditionally even when the receiver is receiving a GPS signal. A navigation device that displays routes and other data associated with navigation from a destination to a destination.