JP2006300867A - Navigation apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation apparatus usable for mountain climbing, sight seeing, etc., and having high general-purpose properties. <P>SOLUTION: The navigation apparatus is comprises a paper map 1, wherein the addresses are set for its individual partitioned sections 2a by partitioning the map like a grid, affixing codes different in the directions of a vertical axis and a horizontal axis, and using the codes; a GPS receiving means 13 which receives GPS signals and displays the current position on a map displayed on a display means 6; a map information storage means 14, which converts the map information of the paper map 1 into electronic data and stores the information associating it with the addresses of the paper map 1; and an arithmetic processing means 12 which connects the destination input by an input means 7 to the current position with a straight line 6c, computes the advancing direction and the distance up to the destination with the movement of the current position, displays the advancing direction on the current position, and displays increase or decrease in the distance up to the destination, by changing the color of the straight line 6c. The user can enjoy mountain climbing and sight seeing without anxiety, since the user can advance to a junction site or to the destination, without losing the way, by watching the map, the current position, and the color of the straight line 6c that connects the current position and the junction site or the destination displayed on the display means 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a navigation device that displays information such as route guidance from a current position to a destination and estimated arrival time together with a map when climbing or sightseeing.

In recent years, a number of portable navigation devices have been proposed that display their own location and map on a portable electronic terminal using GPS and guide a route to a destination input in advance (for example, Patent Documents 1 and 2).
The mountain climbing navigation device described in Patent Document 1 displays map information stored in a map information storage unit according to a pre-input mountain climbing planned route, and the terrain slope at the current position and the time for passing the slope. Therefore, the time required for the climbing route to pass from now on is calculated, and in order to predict the required time to the destination based on the actual value to the current point that has passed the time required for the climbing route, It is easy to predict the arrival time according to the climbing pace.
The tourism information providing system described in Patent Document 2 specifies a route according to a request from a communication terminal, and provides tourist information around the destination on the route to the communication terminal. Since information can also be obtained, it is possible to provide detailed tourist information such as sightseeing around the route using transfer times and the like.
Japanese Patent Application Laid-Open No. 11-271086 JP 2002-92102 A

However, the climbing navigation device described in Patent Document 1 has a problem of lack of versatility, for example, it cannot be used as a navigation device for sightseeing guidance because the use is limited to climbing.
Further, the tourism information providing system described in Patent Document 2 has a problem that it cannot be used for mountain climbing and the like because the purpose of use is limited to only tourist information, contrary to Patent Document 1.
The present invention has been made to solve such a problem, and an object thereof is to provide a highly versatile navigation device that can be used for mountain climbing, sightseeing, and the like.

  A navigation device of the present invention is a navigation device that displays a current position and a destination on a map displayed on a display means of a navigation device body, and guides a route from the current position to the destination. A map that is divided into a shape and has different signs in the vertical and horizontal axis directions, a paper map in which addresses are set for each of the divided parts, and a GPS signal received and displayed on the display means GPS receiving means for displaying the current position on the top, map information storage means for converting the map information of the paper map into electronic data and storing it in association with the address of the paper map, and the destination and current position input by the input means. Connect with a straight line, calculate the direction of travel and the distance to the destination as the current position moves, display the direction of travel at the current position, and at the same time increase or decrease the distance to the destination Out those that have been constructed from an arithmetic processing means for displaying by changing.

With the above configuration, planning a mountain climbing or sightseeing trip while looking at a paper map, converting the plan created at that time into data and importing it into the navigation device main body, it is possible to display on the navigation device main body during mountain climbing or sightseeing etc. By looking at the displayed map and the direction of travel displayed at the current position, and the color of the straight line connecting the current position and the relay point or destination, you can proceed to the relay point or destination without getting lost, You will be able to enjoy mountain climbing and sightseeing with peace of mind.
In addition, it is not necessary to expand the folded map each time to check the current position or reconfirm the route to the destination, like a paper map. In addition to being able to be used for both climbing and sightseeing, it is also versatile because it can be used at sea.

  The navigation device of the present invention is provided with a menu display unit formed of a plurality of icons on the display unit, and when the icon is clicked with the input pen for one click, the function description of the icon is displayed on the display unit and selected with two clicks. The menu is executed.

  With the above configuration, the PDA can be operated without manually checking the menu icon, so there is no need to bring an operation manual for mountain climbing, sightseeing, etc., thereby reducing luggage during mountain climbing, sightseeing, etc. Become.

  The navigation device of the present invention has a display means for displaying the current time and arrival time, an address display unit for displaying an address corresponding to a partition of the displayed map, a distance from the current position to the destination, and the current position in latitude and longitude. At least one of the current position display sections to be displayed is displayed.

  With the above configuration, the estimated arrival time and current position can be easily grasped, so if the map displayed on the display means is too partial and it is unknown where it is, it will be displayed on the address display section of the display section. By referring to the section on the paper map by the address, you can easily determine where you are, and the names and names of the surrounding mountains and rivers can be read. It will be fun.

  In the map display method of the present invention, a grid similar to a paper map is displayed on the address display section, and the corresponding portions of the partition section displayed on the display section are displayed in color on the grid.

  By the above method, it is possible to visually determine which section on the paper map, and when it is desired to display the adjacent section, simply touch the grid adjacent to the colored display section with the input pen. Since adjacent sections can be displayed, the operation is further facilitated.

  According to the map display method of the present invention, an arbitrary part of the grid-shaped partition part displayed on the display unit is clicked with an input pen, so that the partition part is displayed on the display unit.

  By the above method, the desired partition portion can be displayed on the display portion instantly, so that convenience is further improved.

  According to the navigation device of the present invention, when climbing or sightseeing, on the road by seeing the map displayed on the display means and the current position and traveling direction, the color of the straight line connecting the current position and the relay point or destination. You can go to the relay point and destination without any doubts, so you can enjoy climbing and sightseeing with confidence.

Embodiments of the present invention will be described in detail with reference to the drawings.
1 is a development view of a paper map, FIG. 2 is a front view of the navigation device, FIG. 3 is a block diagram thereof, and FIG. 4 is a flowchart showing the operation.
A paper map 1 shown in FIG. 1 is a map 2 printed on almost the entire surface of an A0 size paper or printed out from a personal computer, for example, a mountainous area in the case of a mountain climbing map, and a tourist area in the case of a tourist information map. It is displayed.
The map 2 displayed on the paper map 1 is entirely divided in a grid pattern by a vertical line 1b and a horizontal line 1c, leaving a margin 1a around the periphery. Alphabet 3 is attached to the horizontal axis 1a, for example, numeral 4 is assigned to each partition 2a, and the address of the partition 2a located at the intersection of the vertical and horizontal axes. Are set as E3 from the reference numerals 3 and 4, for example.

On the other hand, the navigation device main body 5 is composed of a portable electronic terminal (PDA). As shown in FIG. 2, the front panel 5a has a display means 6 comprising a liquid crystal display and an input means 7 comprising operation keys below it. These display means 6 and input means 7 are connected to an arithmetic processing means (CPU) 12 in the navigation apparatus body 5 via an input / output control means 11 as shown in FIG.
The display means 6 also serves as a touch panel, and various functions can be executed by touching with an input pen (not shown). For example, menu display sections 8 and 9 are displayed on the upper and lower parts of the display means 6.
Various menus such as “display a map” and “enlarge or reduce a map” necessary for viewing a map are displayed on the upper menu display unit 8 by a plurality of icons 8a. When the user clicks 8a with the input pen, the function explanation of the menu is displayed on the display means 6, and when the user clicks 2a, the menu can be executed. The scale display unit 8b displays the function on the display means 6. A scale bar corresponding to the scale of the map is displayed, and on the lower side of the upper menu display unit 8, clock display units 8c and 8d for displaying the current time and arrival time in analog and digital are displayed apart from each other on the left and right. ing.

In the lower menu display section 9, various menus such as “depart for the destination” and “setting and correction of time” are displayed by a plurality of icons 9a, and the menu icon 9a is clicked with an input pen. Then, the function description of the menu is displayed on the display means 6, and the menu can be executed by clicking two times.
In addition, the GPS capture display unit 9b for displaying the GPS reception status and the straight line distance from the current position to the destination are displayed on the distance display unit 9c, and the current position detected by GPS is displayed below the icon 9a. Is displayed by latitude and longitude, and an address display section 9e is displayed at the right end of the current position display section 9d, for example.

The input means 7 provided on the lower side of the display means 6 is composed of function keys 7a and a cross key 7b necessary for the operation of the navigation apparatus body 5. For example, a keyboard is displayed on the display means 6 or a display means. The map and the cursor displayed on 6 can be scrolled, and the current position detected by the GPS is displayed on the display means 6 as shown in FIG. For example, the destination inputted more is displayed by a circle 6b, and the arrow 6a and the circle 6b are connected by a straight line 6c changing to, for example, three colors of red, blue, and yellow.
The arithmetic processing means 12 provided in the navigation device body 5 is connected to a GPS receiving means 13 for receiving position information from GPS, a map information storage means 14 and a storage means 15, and is connected to the map information storage means 14. Is a map 2 displayed on the paper map 1, a partition 2a partitioned in vertical and horizontal lines 1b and 1c, and addresses thereof are converted into digital data and stored in association with each other. The map display program is stored, and by connecting to a personal computer (not shown), the map data input to the personal computer and the data such as the mountain climbing plan can be downloaded to the storage means 15.
In addition, by attaching a recording medium (not shown) such as a memory card in which map data is downloaded from a personal computer to the navigation device body 5, map data, mountain climbing plans, and other data can be used in the navigation device body 5. ing.

Next, a method of climbing using the paper map 1 and the navigation device body 5 will be described with reference to the flowchart shown in FIG.
For example, when creating a mountain climbing plan using the paper map 1, the paper map 1 is expanded and a mountain climbing route is set. At this time, a mountain climbing plan document for the section 2a of the paper map 1 passing through the mountain climbing route for each address. If it is noted, the target section 2a can be displayed on the display means 6 of the navigation device body 5 more easily.
If you are in an environment where a personal computer can be used, display a mountain climbing map in which the paper map 1 is converted to electronic data on the personal computer, set a mountain climbing route, and schedule data such as departure time, transit time, arrival time, and other data. A mountain climbing plan in which is entered, and the mountain climbing plan is associated with the map data and downloaded directly to the storage means 15 of the navigation device body 5 or downloaded to the recording medium, and then the recording medium is attached to the navigation device body 5 And may be used.

When actually climbing, bring the paper map 1 together with the navigation device body 5 and, when arriving at the departure point, confirm the departure point on the paper map 1 and input the address of the partition 2a of the map 2 corresponding to the departure point. From the navigation apparatus body 5 (step S1 in the flowchart shown in FIG. 4).
As a method of inputting an address to the navigation device body 5, the keyboard is displayed on the display means 6 by operating the function keys 7a from the input means 7 of the navigation device body 5, and the address is input by touching the keyboard with an input pen. For example, when displaying the section 2a whose address on the paper map 1 is E6, E6 is input from the keyboard.
If the address is written in advance at the starting point of the mountain climbing plan, it is not necessary to expand the paper map 1 and read the address of the starting point by inputting the address from the keyboard.
When the address is input from the keyboard and then the keyboard is deleted from the display means 6, the partition 2a of the address input in step S2 is displayed on the display means 6 with the north side facing up as shown in FIG. The address “E6” of the partition part 2a is displayed on the address display part 9 provided in the lower right part.

Further, the current position is indicated by the arrow 6a in the center of the map displayed on the display means 6 based on the position information received by the GPS receiving means 13 provided in the navigation device body 5, and simultaneously detected from the GPS position information. The current position is displayed on the current position display unit 9d by the latitude and longitude.
Next, when climbing information such as a departure point, a relay point, a destination, and a departure time is input with an input pen or input means 7 in step S2, the relay point or the destination is displayed on the map displayed on the display means 6, for example, as a circle. 1b, the arrow 6a of the current position and the circle 6b are connected by a blue straight line 6c as shown in FIG. 1, and in step S3, the processing means 12 moves from the current position to the relay point or destination. The time to the relay point or destination is calculated from the distance and the walking speed, and the approximate arrival time is displayed on the arrival time display section 8d.

When the information necessary for mountain climbing is input to the navigation device body 5 as described above, when the mountain icon is started by touching the menu icon 8a of the upper menu display unit 8 with an input pen, the arithmetic processing unit 12 causes the GPS receiving unit 13 to The travel direction of the climber is calculated from the time-dependent change of the position information received and the arrow 6a displayed at the current position is directed in the travel direction, and at the same time, the straight line 6c connecting the relay point or destination and the arrow 6a is blue Is displayed to indicate that the direction is correct.
If the functions of the icons 8a and 9a displayed on the menu display portions 8 and 9 are not known, the function description of the icons 8a and 9a is displayed on the display means 6 when the icon 8a or 9a is clicked once. Even if it is not at hand, it becomes possible to operate the navigation apparatus body 5 by operating the icons 8a and 9a.
The arrow 6a indicating the current position during climbing is always at the center of the display means 6 and indicates the traveling direction of the climber. The map displayed on the display means 6 is scrolled with the north side up, and step S3. Then, the walking speed is calculated from the moving speed of the current position, the estimated arrival time at the destination is sequentially calculated from the remaining distance to the relay point or the destination and the walking speed, and there is an error in the calculated estimated arrival time. If it occurs, the estimated arrival time displayed in the arrival time display section 8d is corrected, so that even if there is an error in the estimated time due to changes in the physical condition of the climber or the weather, the estimated arrival time can be easily grasped. Can do.

On the other hand, the arithmetic processing means 12 of the navigation apparatus body 5 during climbing determines whether the distance to the relay point or the destination has decreased with the movement of the current position in step S4. If a situation occurs in which the distance from the position to the relay point or destination does not decrease, the process proceeds to step S5, and a straight line 6c connecting the arrow 6a indicating the current position and the circle 6b indicating the relay point or destination is displayed. When the distance from the current position to the relay point or destination increases in reverse, the line 6c changes from yellow to red. To warn the climber that he has made a mistake.
As a result, the climber sees the map displayed on the display means 6 of the navigation device body 5, the arrow 6a indicating the current position and the traveling direction, and the color of the straight line 6c connecting the current position and the relay point or destination. Because you can go to the relay point and destination without getting lost, you can enjoy climbing with confidence.

Further, as the mountain climbing is continued with reference to the map image displayed on the display means 6 of the navigation apparatus body 5, the current position displayed on the map by the arrow 6a also moves, so any position on the map can be moved. Can be easily grasped by looking at the display means 6, and the current position is always in the center of the display means 6, and the map displayed on the display means 6 automatically scrolls, so the cross key 7b is used. Thus, there is no need to scroll the map, and when the map of the section 2a adjacent to the currently displayed map is displayed on the display means 6, the address of the section 2a is displayed on the address display section 9. .
Repeat steps S4 to S7, and continue climbing until you reach the relay point or destination in step S7, but figure out where you are on the map while scrolling the map. It may not be possible.
In addition, there are cases where it is desired to know the names and place names of mountains and rivers that are distant from the current position. In such a case, the paper map 1 is expanded, and the map section 2a currently displayed on the display means 6 is located on the paper map 1 from the address displayed on the address display section 9e of the display means 6. Check if it exists.
As a result, the current position on the paper map 1 can be grasped. By checking the mountains and rivers that can be seen from the position on the paper map 1, the names of the mountains and rivers, place names, etc. can be easily known. Double your enjoyment.

The above is a method of using a paper map 1 for mountain climbing or climbing. However, using a paper map 1 such as a tourist information map to examine a sightseeing spot or creating a tourism plan. In this case, it is possible to go sightseeing while looking at the map displayed on the display means 6 of the navigation device body 5 by the same operation.
For example, when a sightseeing spot is selected using a paper map 1 made up of a sightseeing guide map, a sightseeing plan document is created in which the directions to the sightseeing spot, vehicles to be used, departure time, etc. are noted.
If there is an environment where a personal computer can be used, a tourist map is displayed on the monitor of the personal computer, and data such as a sightseeing spot to be visited, a vehicle to be used, a departure time, and the like are input to create tourist data.
Sightseeing data created by a personal computer is downloaded directly to the navigation device body 5 or once downloaded to a recording medium and then taken into the navigation device body 5.

  Next, when carrying the paper map 1 together with the navigation device body 5 for a trip and arriving at the departure point, the tourist data such as the departure point, the relay point, the destination, the departure time, etc. are input pen and input means as in the case of the mountain climbing. 7, the relay point and the destination are displayed by, for example, a circle 6b on the map displayed on the display means 6, and a blue straight line 6c is shown in FIG. 2 between the arrow 6a and the circle 6b at the current position. In addition, the arithmetic processing means 12 calculates the distance from the current position to the relay point or destination and the time from the walking speed to the relay point or destination, and the approximate arrival time is displayed in the arrival time display section 8d. To display.

When information necessary for sightseeing is input to the navigation device body 5 as described above, when the sightseeing is started by touching the menu icon 8a of the upper menu display portion 8 with an input pen, the arrow 6a displayed at the current position advances. The direction is indicated, and at the same time, the straight line 6c connecting the relay point or destination and the arrow 6a becomes blue to indicate that the traveling direction is correct.
Further, the arithmetic processing means 12 calculates the pedestrian's advancing direction from the temporal change of the positional information received by the GPS receiving means 13 and directs the arrow 6a displayed at the current position in the traveling direction, and at the same time, The walking speed is calculated from the moving speed, the estimated arrival time at the destination is sequentially calculated from the remaining distance to the target and the walking speed, and if an error occurs in the calculated estimated arrival time, the arrival time display section 8d Since the estimated arrival time displayed on the screen is corrected, the estimated arrival time can be easily grasped even if an error occurs in the estimated time due to changes in the physical condition of the tourist or the weather.

On the other hand, if the situation where the distance from the current position to the relay point or destination does not decrease due to the loss of the middle of sightseeing, a straight line 6c connecting the arrow 6a indicating the current position and the circle 6b indicating the relay point or destination. When the distance from the current position to the relay point or destination increases, the arrow 6a indicating the current position is relayed. The straight line 6c connecting the circles 6b indicating points or destinations changes color from yellow to red to warn the tourist that the road is wrong.
Thus, a tourist can see the map displayed on the display means 6 of the navigation device body 5, the arrow 6a indicating the current position and the traveling direction, and the color of the straight line 6c connecting the current position and the relay point or destination. You can go to the relay point and destination without getting lost, so you can enjoy sightseeing with peace of mind.
In particular, in the case of a tourist information map, the range of the map 2 displayed on the paper map 1 is narrower than that of the mountain climbing map, but the section 2a can be enlarged and displayed on the display means 6 of the navigation device body 5. In addition, the current position can be displayed on the map displayed on the display means 6 by using the arrow 6a by using the GPS function.

Further, it is possible to easily grasp which position on the map displayed on the display means 6 is moving by looking at the display means 6, and the current position is always in the center of the display means 6 and displayed on the display means 6. Since the displayed map is automatically scrolled, there is no need to scroll the map using the cross key 7b, and when the map of the section 2a adjacent to the currently displayed map is displayed on the display means 6. Since the address of the partition part 2a is displayed on the address display part 9, it is possible to easily grasp where it is on the paper map 1.
The above is a case where the route is guided by a map previously displayed on the display means 6 such as mountain climbing and sightseeing guidance, but navigation of a ship that travels from the current position to the destination on the shortest distance on the road, for example, at sea. It can also be used as a device.

In the above-described embodiment, the address of the section 2a on the paper map 1 is displayed by the code on the address display unit 9e of the display unit 6 of the navigation device body 5. However, as in the modification shown in FIG. A cell similar to the paper map 1 may be displayed on the display unit 9e, and the address of the partition unit 2a currently displayed on the display means 6 may be displayed in red, for example, in red, or currently displayed. The location where the partition 2a moves to the adjacent partition 2a can display the adjacent partition 2a without using the cross key 7b to scroll by touching the input pen next to the red cell It may be.
Further, it is possible to display the partition part 2a at an arbitrary place on the display means 6 of the navigation device body 5 by touching an arbitrary part of the grid with the input pen.

It is an expanded view of the paper map used for the navigation apparatus which becomes embodiment of this invention. 1 is a front view of a navigation device according to an embodiment of the present invention. 1 is a block diagram of a navigation device according to an embodiment of the present invention. It is a flowchart which shows the effect | action of the navigation apparatus which becomes embodiment of this invention. It is explanatory drawing which shows the modification of the navigation apparatus which becomes embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Paper map 2 Map 2a Compartment part 3 Code | symbol 4 Code | symbol 5 Navigation apparatus main body 6 Display means 6c Straight line 7 Input means 8 Upper menu display part 8c Current time display part 8d Arrival time display part 9 Lower menu display part 9d Current position display part 9e Address display section 12 Arithmetic processing means 13 GPS receiving means 14 Map storage means

Claims (5)

  A navigation device that displays a current position and a destination on a map displayed on a display means of a navigation device main body, and guides a route from the current position to the destination. A different map is attached to the direction of the axis and the horizontal axis, and a paper map in which an address is set for each section and a GPS signal is received, and the current position is displayed on the map displayed on the display means. The GPS receiving means, the map information storage means that converts the map information of the paper map into electronic data, and is stored in association with the address of the paper map, the destination input by the input means and the current position are connected by a straight line, The travel direction and the distance to the destination are calculated along with the movement of the current position, and the travel direction is displayed at the current position, and at the same time, the distance to the destination is increased or decreased. Navigation apparatus characterized by comprising a processing means for displaying by changing the color.   The display means is provided with a menu display part formed by a plurality of icons, and when the icon is clicked with the input pen for one click, the function description of the icon is displayed on the display part, and when the icon is clicked, the selected menu is executed. The navigation device according to claim 1, wherein the navigation device is configured as described above.   The display means displays the current time and arrival time, an address display section for displaying an address corresponding to the displayed map section, a distance from the current position to the destination, and a current position for displaying the current position in latitude and longitude The navigation device according to claim 1, wherein at least one of the position display units is displayed.   The navigation device according to claim 3, wherein a cell similar to the paper map is displayed on the address display unit, and a corresponding portion of the partition unit displayed on the display unit is displayed in color on the cell. The navigation device according to claim 4, wherein an arbitrary part of the grid-shaped partition portion displayed on the display unit is clicked with an input pen, and the partition portion is displayed on the display unit.

Images