JP6986391B2 - Navigation system and navigation method - Google Patents

Description

The present invention relates to a navigation system and a navigation method.

Conventionally, in a navigation system that displays a route to a destination, an operation of selecting one of a plurality of candidate routes by individually assigning one of the four directions of the crosshair cursor to a plurality of candidate routes. Has been proposed so that the above can be performed by using a crosshair cursor (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2000-65591

In the navigation system described in Patent Document 1, when the user selects a menu for changing search conditions such as changing a waypoint or changing a highway IC (interchange) entrance / exit for a searched route, each of them is selected. Switch to the screen for making changes. Then, on each screen, when the user changes the search condition, the route to the destination is re-searched according to the changed search condition, and the screen is switched to the screen displaying the re-searched route. In this case, since the user has to switch between a plurality of screens to change the search conditions and confirm the searched route, there is an inconvenience that the operation burden on the user is heavy.

The present invention has been made in view of this background, and provides a navigation system and a navigation method that reduce the operational burden on the user due to the change of search conditions in the route search to the destination and the confirmation of the searched route. The purpose is to do.

The navigation system of the present invention is predetermined according to a display unit, a screen display control unit that displays a setting screen for setting the end point of a route on the display unit, and a user's operation on the display of the setting screen. The screen display control unit includes a route search unit for searching a route from the start point to the end point of the above, and when the route is searched by the route search unit, the display area of the display unit is divided into a plurality of subs. A route display sub screen that is divided into display areas to display the route, and a plurality of search condition setting subs that are individually associated with the plurality of search conditions in order to individually change the plurality of search conditions of the route. The screen is assigned to any one of the plurality of sub-display areas and displayed, and when the route is searched, the route search unit estimates the end time of the movement by the route and sets the plurality of search conditions. When at least one of the plurality of search conditions is changed by the user's operation on at least one of the sub screens, the route is searched again according to the changed search conditions, and the screen display is performed. The control unit displays the route re-searched by the route search unit and the end time estimated by the route search unit on the route display sub-screen, and the route search unit searches the route again. When the end time estimated by the route search unit changes, the changed end time is highlighted .

Further, the route search unit searches for a plurality of different routes according to the user's operation on the display of the setting screen, and the user's search for at least one of the plurality of search condition setting sub screens. When at least one of the plurality of search conditions is changed by the operation, a plurality of different routes are re-searched according to the changed search conditions, and the screen display control unit is operated by the route search unit. When a plurality of different routes searched according to the user's operation on the display of the setting screen are displayed on the route display sub screen and the route search unit searches for the plurality of routes again, the route is re-searched. A plurality of searched different routes may be displayed on the route display sub screen.

Further, the setting screen is a destination setting screen for setting a destination of a traveling route by the vehicle as the end point, and the route search unit is the current route of the vehicle from the start point to the end point. The travel route from the position to the destination is searched, and the screen display control unit uses the transit point addition sub-screen for adding the transit points in the travel route as the plurality of search condition setting sub-screens, and the travel. It is also possible to display a toll road entrance change sub screen for changing the entrance of the toll road traveling on the route and a toll road exit changing sub screen for changing the exit of the toll road traveling on the driving route. good.

Further, the setting screen is a departure / arrival station setting screen for setting the departure station of the travel route by railroad as the start point and the arrival station of the travel route as the end point, and the route search unit is As the route from the start point to the end point, a movement route from the departure station to the arrival station is searched, and the screen display control unit is in the middle of the movement route as a plurality of search condition setting sub screens. A sub-screen for adding a transit station for adding a transit station, a sub-screen for changing a paid limited express boarding station for changing a paid limited express boarding station used in the travel route, and a sub-screen for changing the paid limited express boarding station used in the travel route. It may be configured to display the pay limited express drop-off station change sub screen, which is the pay limited express drop-off station.

Next, in the navigation method of the present invention, a screen display control step for displaying a setting screen for setting the end point of the route on the display unit, and a predetermined start point according to the user's operation on the display of the setting screen. The screen display control step includes a route search step for searching a route from to the end point to the end point, and when the route is searched by the route search step, the display area of the display unit is divided into a plurality of sub-display areas. A route display sub-screen that displays the route and a plurality of search condition setting sub-screens that are individually associated with the plurality of search conditions in order to individually change the plurality of search conditions of the route. Is assigned to any of the plurality of sub-display areas and displayed, and the route search step estimates the end time of the movement by the route when the route is searched, and the plurality of search condition setting sub screens. When at least one of the plurality of search conditions is changed by the user's operation on at least one of the above, the route is re-searched according to the changed search condition, and the screen display control step. Displays the route searched again by the route search step and the end time estimated by the route search step on the route display sub-screen, and the route is searched again by the route search step. When the end time estimated by the route search step changes, the changed end time is highlighted .

According to the navigation system and the navigation method of the present invention, the display unit is divided into a plurality of sub-display areas, and a search condition setting sub-screen for setting search conditions according to a user's operation and a search according to the search conditions are performed. The route display sub-screen showing the route is displayed individually in the different sub-display areas. Therefore, the user does not need to switch between the screen for displaying the search condition and the screen for confirming the searched route, so that the user's operation burden due to the setting and change of the search condition is burdened. Can be mitigated.

The block diagram of the navigation system in 1st Embodiment. Explanatory drawing of the split display screen of the touch panel in 1st Embodiment. The flowchart of the route search process in 1st Embodiment. The block diagram of the navigation system in 1st Embodiment. Explanatory drawing of the split display screen of the touch panel in 2nd Embodiment. The flowchart of the route search process in 2nd Embodiment.

The first embodiment of the present invention will be described with reference to FIGS. 1 to 3.
[1. Configuration of navigation system in the first embodiment]
The configuration of the navigation system according to the first embodiment will be described with reference to FIG. The navigation system 1a of the first embodiment is mounted on a vehicle, and searches for a travel route from the current position of the own vehicle (vehicle on which the navigation system 1a is mounted) to a destination.

Here, the navigation system 1a may be exclusively configured, and may be used as a part of the vehicle-mounted device (ECU (Electronic Control Unit), driving support device, etc.) of the vehicle, or as a part of the function of the vehicle-mounted device. May be configured.

Further, the navigation system 1a may be a portable type, and the configuration of the navigation system 1a may be realized by executing a navigation application on a dedicated navigation device, or a smartphone or tablet terminal.

The operation of the navigation system 1a is controlled by the controller 10a. The controller 10a is an electronic circuit unit composed of a CPU 20a, a memory 30a, various interface circuits (not shown), and the like. The CPU 20a functions as a screen display control unit 21a, an operation state detection unit 22, a route search unit 23a, and a route guidance unit 24a by reading and executing the control program 31a of the navigation system 1a stored in the memory 30a. ..

The controller 10a includes an information unit 50, a speaker 40, a storage device 60a, a gyro sensor 42, a GPS (Global Positioning System) receiver 43, an FM (Frequency Modulation) multiplex receiver 44, a beacon receiver 45, and a vehicle communication unit 46. And the network communication unit 47 are connected.

The information unit 50 includes a touch panel 51 and a plurality of button switches 52, and the touch panel 51 covers a flat type display 51a (corresponding to the display unit of the present invention) such as a liquid crystal panel and the surface of the display 51a. It has a touch switch 51b arranged in a row.

The operation signals of the touch switch 51b and the button switch 52 are input to the controller 10a. Further, the screen display of the display 51a is controlled by the control signal output from the controller 10a to the display 51a.

The controller 10a outputs a note arousing sound, voice guidance, and the like via the speaker 40, and reads map data 62a, toll data 63a, and the like from the map DB (Data Base) 61a stored in the storage device 60a. It should be noted that the map data and the toll data may be acquired from the information server 181 via the network communication unit 47 instead of from the map DB 61a. Further, the controller 10a recognizes the current position of the own vehicle based on the detection signal of the current position (latitude, longitude) of the own vehicle by the GPS receiver 43 and the detection signal of the angular velocity of the own vehicle by the gyro sensor 42. ..

The FM multiplex receiver 44 receives wide-area road traffic information transmitted from the broadcasting station 150 and outputs it to the controller 10a. The beacon receiver 45 receives road traffic information in the vicinity of its own vehicle by a beacon (radio wave beacon, optical beacon) transmitted from a roadside unit 160 installed in a traffic light or the like, and outputs the road traffic information to the controller 10a. The vehicle communication unit 46 communicates with each other (vehicle-to-vehicle communication) with another vehicle 170. The network communication unit 47 transmits and receives various information to and from the information server 181 via the communication network 180.

The controller 10a touch-panels information on the road on which the own vehicle is traveling based on the detection signals of the GPS receiver 43 and the gyro sensor 42 and the information on the road on which the own vehicle is traveling recognized from the map data 62a. It is displayed on 51. Further, the controller 10a displays the traffic information on the touch panel 51 based on the information received by the FM multiplex receiver 44, the beacon receiver 45, the vehicle communication unit 46, and the network communication unit 47, and also displays the traffic information on the touch panel 51. The voice guidance to be notified is output from the speaker 40.

[2. Screen display in the first embodiment]
Next, the screen display of the touch panel 51 in the first embodiment will be described with reference to FIG. The operation state detection unit 22 detects the operation state of the touch panel 51 by the user based on the detection signal of the touch switch 51b. Further, the operation state detection unit 22 detects the operation state of the button switch 52 by the user based on the detection signal of the button switch 52.

The screen display control unit 21a displays a screen (destination setting screen) for setting a destination on the touch panel 51. Then, the route search unit 23a determines the destination when the operation state detection unit 22 detects the destination setting operation on the destination setting screen, and from the current position of the own vehicle to the destination (in the present invention). Perform a route search (corresponding to between predetermined points). The destination setting screen may be a full-screen display, or the destination setting screen may be displayed in any of the sub-display areas of the four-screen display as shown in FIG.

As shown in FIG. 2, the screen display control unit 21a divides the display area of the touch panel 51 (display 51a) into four sub display areas 71 to 74, and subscreens for correcting and confirming the route. Is displayed in each sub display area 71 to 74.

The sub-display area 71 is assigned a "waypoint addition sub-screen" for adding a waypoint on the way from the current position to the destination (○○ park in FIG. 2). The sub-display area 72 is assigned a “route display sub-screen” that displays information on the route searched by the route search unit 23a. A "toll road entrance change sub screen" for changing the entrance of the toll road is assigned to the sub display area 73. A "toll road exit change sub screen" for changing the exit of the toll road is assigned to the sub display area 74.

In the following, the codes 71 to 74 are also used as codes indicating each sub screen, and are referred to as a waypoint addition sub screen 71, a route display sub screen 72, a toll road entrance change sub screen 73, and a toll road exit change sub screen 74. Describe. The waypoint addition sub screen 71, the toll road entrance change sub screen 73, and the toll road exit change sub screen 74 correspond to the search condition setting sub screen of the present invention.

Here, the waypoint, the toll road entrance, and the toll road exit correspond to the predetermined search conditions of the present invention, and the waypoint addition sub screen 71, the toll road entrance change sub screen 73, and the toll road exit change sub screen 74. Is a search condition setting sub-screen to which these search conditions are individually associated.

The screen display control unit 21a has an additional button 80 for adding a waypoint ahead of the destination on the waypoint addition sub-screen 71, and between the existing waypoint (△△ zoo in FIG. 2) and the destination. An add button 81 for adding a waypoint and an add button 82 for adding a waypoint between the existing waypoint and the current position are displayed. The user can add a waypoint by touching any of the add buttons 80 to 82.

The screen display control unit 21a displays the up / down slider buttons 84 and 85 for changing the setting range of the waypoints on the waypoint addition sub-screen 71, and responds to the touch operation of the up / down slider buttons 84 and 85 by the user. , Switch the range of waypoints to display. Further, the screen display control unit 21a has a search start button 83 for instructing the start of the route search, a setting condition range 86, 87 indicating that priority conditions (paid priority, general priority, distance priority, etc.) are set, and currently. The time 89 and the return button 88 for instructing the transition to the previous screen are displayed.

Here, when the route searched by the route search unit 23a does not include the toll road, the screen display control unit 21a displays the service area and parking area of the toll road near the route on the waypoint addition sub-screen 71. And are displayed. Then, when any service area or packing area is selected by the user, the screen display control unit 21a displays an appropriate entrance on the toll road entrance change sub screen 73 and the toll road exit change sub screen 74. Display the appropriate exit.

The route search unit 23a searches for routes according to a plurality of preset route conditions (paid priority, paid (energy saving), general priority, general (energy saving), distance priority, etc.). Here, in the toll priority, when there is a toll road between the departure point and the destination, a route that uses the toll road as much as possible is searched. In the case of pay (energy saving), in addition to pay priority, routes that can be expected to reduce energy consumption are searched. In general priority, routes that do not use toll roads as much as possible are searched. In general (energy saving), in addition to general priority, routes that can be expected to reduce energy consumption are searched. In distance priority, the route with the shortest mileage from the starting point to the destination is searched.

The screen display control unit 21a displays information on a plurality of routes searched by the route search unit 23a on the route display sub-screen 72. The screen display control unit 21a indicates on the route display sub-screen 72 a route indicating the estimated arrival time to the destination and the required toll, which are estimated on the assumption that the route searched with the current time as the departure time has been traveled. The condition list 90 and the map 91 showing the traveling route of each route are displayed. The departure time may be set by the user.

On the map 91, as a route from the current location (departure location) Ps to the destination Pg, the route R1 searched under the condition of pay priority, the route R2 searched under the condition of pay (energy saving), and the search under the general priority condition. The route R3 searched, the route R4 searched under the general (energy saving) condition, and the route R5 searched under the condition of distance priority are shown.

The screen display control unit 21a displays the entrance change button 100 on the toll road entrance change sub screen 73. Then, in response to the touch operation of the entrance change button 100 by the user, the screen display control unit 21a displays a list of the entrances of the toll roads that can be used in the route searched by the route search unit 23a. In response to the user selection operation in this list display, the route search unit 23a changes the entrance setting of the toll road, and re-uses the route from the current position to the destination according to the condition of using the toll road from the changed entrance. Search for.

Then, the screen display control unit 21a displays the information of the route re-searched by the route search unit 23a on the route display sub screen 72 (update of the route display).

The screen display control unit 21a displays the exit change button 110 on the toll road exit change sub screen 74. Then, in response to the touch operation of the exit change button 110 by the user, the screen display control unit 21a displays a list of toll road exits that can be used in the route searched by the route search unit 23a. The route search unit 23a changes the exit setting of the toll road according to the user's selection operation in this list display, and the route from the current position to the destination under the condition that the use of the toll road is terminated at the changed exit. Search again.

Then, the screen display control unit 21a displays the information of the route re-searched by the route search unit 23a on the route display sub screen 72 (update of the route display).

As described above, when the destination is set, the screen display control unit 21a divides the display area of the touch panel 51 into four, and changes the waypoint addition sub screen 71, the route display sub screen 72, and the toll road entrance. The sub screen 73 and the toll road exit change sub screen 74 are displayed.

Then, when a stopover is added by the user's operation on the waypoint addition sub screen 71, when the toll road entrance is changed by the user's operation on the toll road entrance change sub screen 73, and the toll road exit change sub. When the toll road exit is changed by the user's operation on the screen 74, the route search unit 23a re-searches the route from the departure place to the destination according to the search condition according to the addition or change.

Further, the screen display control unit 21a immediately displays the route re-searched by the route search unit 23 on the route display sub screen 72. Therefore, the user can easily confirm how the route has changed due to the addition of a waypoint, the change of the toll road entrance, or the change of the toll road exit on the route display sub screen 72.

In this way, the user can add a waypoint, change the toll road entrance, change the toll road exit, and confirm the route without performing the operation of switching the screen display of the touch panel 51. Therefore, the search condition. It is possible to reduce the operational burden on the user due to the change of the touch panel and the confirmation of the searched route.

[3. Route search process in the first embodiment]
Next, a procedure for executing a series of processes by the screen display control unit 21a and the route search unit 23a described above will be described according to the flowchart shown in FIG.

Step S1 in FIG. 3 is a process by the screen display control unit 21a. The screen display control unit 21a displays the destination setting screen on the touch panel 51, and proceeds to step S2 when the destination is determined according to the operation of the user.

Step S2 is a process by the route search unit 23a. The route search unit 23a refers to the route from the departure place (current position of the own vehicle) to the destination with reference to the map data 62a and the toll data 63a, and has a plurality of route conditions (for example, the above-mentioned pay priority, pay (for example). Search by (energy saving), general priority, general (energy saving), distance priority, etc.). The route search process by the route search unit 23a corresponds to the route search step in the navigation method of the present invention.

Subsequent steps S3 and S4, and steps S10, S20, and step 30 are processes by the screen display control unit 21a. In step S3, the screen display control unit 21a switches the display of the touch panel 51 from the destination setting screen to the four-screen display of FIG. 2 described above, and the waypoint addition sub screen 71, route display sub screen 72, and toll road entrance. The change sub screen 73 and the toll exit change sub screen 74 are displayed. The display processing of the sub screens 71 to 74 by the screen display control unit 21a corresponds to the screen display control step in the navigation method of the present invention.

The screen display control unit 21a repeats the loop consisting of the following steps S4, step S10, step S20, and step S30, and determines whether or not the operation of "route determination" has been performed on the route display sub-screen 72 in step S4. Then, in step S10, it is determined whether or not the operation of "adding a waypoint" has been performed on the sub-screen 71 for adding a waypoint, and in step S20, it is determined whether or not the operation of "changing the toll road entrance" has been performed, and step S30. Judge whether or not the operation of "change toll road exit" has been performed.

Then, on the route display sub-screen 72, when the operation of "route determination" for selecting one of the plurality of routes displayed in the route condition list 90 is performed, the screen display control unit 21a performs steps S4 to S5. (YES in step S4). Step S5 is a process by the route guide unit 24a. The route guidance unit 24a executes guidance to the destination so that the own vehicle travels on the determined route.

When the operation of "adding a waypoint" is performed on the waypoint addition sub-screen 71, the screen display control unit 21a proceeds from step S10 to step S31 (YES in step S10). Further, when the operation of "changing the toll road entrance" is performed on the toll road entrance change sub screen 73, the screen display control unit 21a proceeds from step S20 to step S31 (YES in step S20). Further, when the operation of "change the toll road exit" is performed on the toll road exit change sub screen 74, the screen display control unit 21a proceeds from step S30 to step S31 (YES in step S30).

Step S31 is a process by the route search unit 23a. The route search unit 23a changes the search conditions to the destination according to the operation of "adding a waypoint", "changing the toll road entrance", or "changing the toll road exit", and searches for the route again. Subsequent step S32 is a process by the screen display control unit 21a. The screen display control unit 21a displays the information of the re-searched route on the route display sub screen 72 (updates the route display), and proceeds to the process in step S3.

By the steps S10, S20, and S30 processing according to the flowchart shown in FIG. 3, in the four-screen display shown in FIG. 2, the user can use the waypoint addition sub-screen 71, the toll road entrance change sub-screen 73, and the toll. The road exit change sub-screen 74 allows the operations of "addition of waypoints", "change of toll road entrance", and "change of toll road exit" to be performed individually without switching the screen of the touch panel 51.

Then, when the search condition is changed by these operations, the route re-searched according to the changed search condition is displayed on the display sub screen 72, so that the user can change the route by changing the search condition. You can check it immediately.

Here, when the arrival time (end time of movement) or the fare is changed as a result of re-searching the route, the changed time or fare is highlighted (change the font color, increase the font size, blink). (Display, etc.) may be used. For example, when the charge goes up, the charge display may be red, and when the charge goes down, the charge display may be blue.

[4. Configuration of navigation system in the second embodiment]
Next, a second embodiment of the present invention will be described with reference to FIGS. 4 to 6. The navigation system of the second embodiment searches for a travel route using public transportation (railway, bus, etc.).

The configuration of the navigation system according to the second embodiment will be described with reference to FIG. The navigation system 1b of the second embodiment may be a mobile terminal or a stationary terminal such as a desktop personal computer. Further, the navigation system 1b may be a dedicated machine, and the configuration of the navigation system 1b may be realized by executing a navigation application on a smartphone, a tablet terminal, a personal computer, or the like. The same configuration as that of the navigation system 1a of the first embodiment shown in FIG. 1 is designated by the same reference numerals and the description thereof will be omitted.

The operation of the navigation system 1b is controlled by the controller 10b. The controller 10b is an electronic circuit unit composed of a CPU 20b, a memory 30b, various interface circuits (not shown), and the like. The CPU 20b functions as a screen display control unit 21b, an operation state detection unit 22, and a route search unit 23b by executing the control program 31b of the navigation system 1b stored in the memory 30b.

An information unit 50, a speaker 40, a storage device 60b, a GPS receiver 43, and a network communication unit 47 are connected to the controller 10b. The operation signals of the touch switch 51b and the button switch 52 are input to the controller 10b. Further, the screen display of the display 51a is controlled by the control signal input from the controller 10b to the display 51a.

The controller 10b outputs a warning sound, voice guidance, and the like via the speaker 40, and reads route map data 62b such as railways, boarding fee data 63b, and the like from the public transportation DB 61b stored in the storage device 60b. Further, the controller 10b recognizes the current position of the user based on the detection signal of the current position (latitude, longitude) by the GPS receiver 43. The network communication unit 47 transmits and receives various information to and from the information server 181 via the communication network 180.

[5. Screen display in the second embodiment]
Next, the screen display of the touch panel 51 in the second embodiment will be described with reference to FIG. The screen display control unit 21b displays a screen (departure / arrival station setting screen) for setting a departure station and an arrival station on the touch panel 51.

The route search unit 23b determines the departure station and the arrival station when the operation state detection unit 22 detects the setting operation of the departure station and the arrival station on the departure / arrival station setting screen, and determines the departure station and the arrival station from the departure station to the arrival station. Search for routes up to. The departure / arrival station setting screen may be displayed in full screen, or the departure / arrival station setting screen may be displayed in any of the sub-display areas of the four-screen display as shown in FIG.

When the departure station and the arrival station are set on the departure / arrival station setting screen, the screen display control unit 21b divides the display area of the touch panel 51 into four sub display areas 201 to 204, and corrects and confirms the route. The sub screens for performing the above are displayed in each sub display area 201 to 204.

The sub-display area 201 is assigned a "transit station addition sub-screen" for adding a transit station on the way from the departure station to the arrival station. The sub-display area 202 is assigned a "route display sub-screen" that displays information on the route searched by the route search unit 23b. The sub-display area 203 is assigned a "paid limited express boarding station change sub screen" for changing the paid limited express boarding station. The sub-display area 204 is assigned a "paid limited express drop-off station change sub-screen" for changing the pay limited express drop-off station.

In the following, the codes 2001 to 204 are also used as codes indicating each sub screen, and the transit station addition sub screen 201, the route display sub screen 202, the paid limited express boarding station change sub screen 203, and the paid limited express getting off station change sub screen are used. It is described as 204. The transit station addition sub screen 201, the paid limited express boarding station change sub screen 203, and the paid limited express getting off station change sub screen 204 correspond to the search condition setting sub screen of the present invention.

Here, the transit station, the toll limited express boarding station, and the toll limited express getting off station correspond to the predetermined search conditions of the present invention, and the transit station addition sub screen 201, the toll limited express boarding station change sub screen 203, and the toll limited express boarding station The change sub-screen 204 is a search condition setting sub-screen individually associated with these search conditions.

The screen display control unit 21b has an additional button 210 for adding a transit station beyond the arrival station on the transit station addition sub-screen 201, between the existing transit station (△△ station in FIG. 5) and the arrival station. An additional button 211 for adding a transit station and an additional button 212 for setting a transit station between the existing transit station and the departure station are displayed. The user can add a transit station by touching any of the add buttons 210 to 212.

The screen display control unit 21b displays the vertical slider buttons 214 and 215 for changing the range of the transit station on the transit station addition sub-screen 201, and responds to the touch operation of the vertical slider buttons 214 and 215 by the user. Switch the range of transit stations to be displayed. Further, the screen display control unit 21b has a search start button 213 for instructing the start of the route search, and a setting condition range 216, 217 indicating that priority conditions (arrival time priority, fare priority, boarding time priority, etc.) are set. , Current time 219, and return button 218 for instructing a transition to the previous screen.

The route search unit 23b searches for routes that meet a plurality of preset route conditions (arrival time priority, fare priority, boarding time priority, transfer priority, etc.). Here, in the arrival time priority, the route with the earliest arrival time at the arrival station is searched. In fare priority, the route with the lowest public transportation fare is searched. With priority on boarding time, the route with the shortest total time to board public transportation is searched. With transfer priority, the route with the least number of transfers on public transportation is searched.

The screen display control unit 21b displays information on a plurality of routes searched by the route search unit 23b on the route display sub-screen 202. The screen display control unit 21b displays on the route display sub-screen 202 a route condition indicating an estimated arrival time at the arrival station estimated by assuming that the user has traveled by each searched route and a necessary public transportation usage fee. The list 220 and the route map 221 of each route are displayed.

In the route map 221, each route from the departure station Ss to the arrival station Sg is displayed together with the transit stations St1 to St5, and the route R1 searched under the condition of arrival time priority and the route R2 searched under the condition of priority on arrival time. , The route R3 searched under the condition of priority on boarding time, and the route R4 searched under the condition of priority on transfer are shown.

The screen display control unit 21b displays the boarding station change button 230 on the paid limited express boarding station change sub screen 203. Then, in response to the touch operation of the boarding station change button 230 by the user, the screen display control unit 21b displays a list of station names on which the paid limited express can be boarded on the route searched by the route search unit 23b. According to the user's selection operation in this list display, the route search unit 23b changes the toll limited express boarding station, and re-routes from the departure station to the arrival station according to the condition of using the toll limited express from the changed boarding station. Search for.

Then, the screen display control unit 21b displays the information of the route re-searched by the route search unit 23b on the route display sub screen 202 (update of the route display).

The screen display control unit 21b displays the disembarkation station change button 240 on the pay limited express disembarkation station change sub-screen 204. Then, in response to the touch operation of the disembarkation station change button 240 by the user, the screen display control unit 21b displays a list of station names on which the toll limited express can be boarded on the route searched by the route search unit 23b. In response to the user's selection operation in this list display, the route search unit 23b changes the pay limited express drop-off station, and re-routes from the departure station to the arrival station under the condition of using the pay limited express to the changed drop-off station. Search for.

Then, the screen display control unit 21b displays the information of the route re-searched by the route search unit 23b on the route display sub screen 202 (update of the route display).

As described above, when the departure station and the arrival station are set, the screen display control unit 21b divides the display area of the touch panel 51 into four parts, and divides the display area of the touch panel 51 into four, a transit station addition sub screen 201, a route display sub screen 202, and a charge. The limited express boarding station change sub screen 203 and the paid limited express getting off station change sub screen 204 are displayed.

Then, when a transit station is added by the user's operation on the transit station addition sub screen 201, when the pay limited express boarding station is changed by the user's operation on the pay limited express boarding station change sub screen 203, and when the paid limited express boarding station is changed. When the toll limited express getting off station is changed by the user's operation on the station change sub screen 204, the route search unit 23b re-searches the route from the departure station to the arrival station according to the search conditions according to the addition or change. ..

Further, the screen display control unit 21b immediately displays the route re-searched by the route search unit 23b on the route display sub screen 202. Therefore, the user can easily confirm how the route has changed due to the addition of a transit station, the change of the toll limited express boarding station, or the change of the toll limited express getting off station on the route display sub screen 202.

In this way, the user can add a transit station, change the toll limited express boarding station, or change the toll limited express getting off station, and confirm the re-searched route without performing the operation of switching the screen display of the touch panel 51. Therefore, it is possible to reduce the operational burden on the user.

[6. Route search process in the second embodiment]
Next, a procedure for executing a series of processes by the screen display control unit 21b and the route search unit 23b described above will be described according to the flowchart shown in FIG.

Step S51 in FIG. 6 is a process performed by the screen display control unit 21b. The screen display control unit 21b displays the departure station / arrival station setting screen on the touch panel 51, and proceeds to step S52 when the departure station and the arrival station are determined according to the operation of the user.

Step S52 is a process by the route search unit 23b. The route search unit 23b refers to the route from the departure station to the arrival station with reference to the route map data 62b and the boarding fee data 63b, and has a plurality of route conditions (for example, the above-mentioned arrival time priority, fee priority, boarding time priority, etc. Search by transfer priority, etc.). The route search process by the route search unit 23b corresponds to the route search step in the navigation method of the present invention.

Subsequent steps S53, S54, and steps S60, S70, and S80 are processes by the screen display control unit 21b. In step S53, the screen display control unit 21b switches the display of the touch panel 51 from the departure station / arrival station setting screen to the four-screen display of FIG. 5 described above, and the transit station addition sub screen 201, route display sub screen 202, The paid limited express boarding station change sub screen 203 and the paid limited express getting off station change sub screen 204 are displayed. The display processing of the sub screens 201 to 204 by the screen display control unit 21b corresponds to the screen display control step in the navigation method of the present invention.

The screen display control unit 21b repeatedly executes the loop consisting of the following steps S54, S60, S70, and S80, and whether or not the operation of "route determination" is performed on the route display sub-screen 202 in step S54. Is determined, whether or not the operation of "adding a transit station" has been performed in step S60, and whether or not the operation of "changing the paid limited express boarding station" has been performed in step S70, and "paid limited express" is determined in step S80. Determine if the "change station" operation has been performed.

Then, on the route display sub-screen 202, when the operation of "route determination" for selecting one of the plurality of routes displayed in the route condition list 220 is performed, the screen display control unit 21b moves from step S54 to step S55. (YES in step S54). Step S55 is a process by the route guide unit 24b. The route guidance unit 24b starts guiding to the arrival station so as to use public transportation according to the determined route.

When the operation of "adding a transit station" is performed on the sub-screen 201 for adding a transit station, the screen display control unit 21b proceeds from step S60 to step S81 (YES in step S60). Further, when the operation of "change the paid limited express boarding station" is performed on the paid limited express boarding station change sub screen 203, the screen display control unit 21b proceeds from step S78 to step S81 (YES in step S70). Further, when the operation of "change the paid limited express getting off station" is performed on the paid limited express getting off station change sub screen 204, the screen display control unit 21b proceeds from step S80 to step S81 (YES in step S80).

Step S81 is a process by the route search unit 23b. The route search unit 23b changes the search conditions from the departure station to the arrival station according to the operation of "adding a transit station", "changing the paying limited express boarding station", or "changing the paying limited express getting off station", and re-routes. Search for. Subsequent step S82 is a process by the screen display control unit 21b. The screen display control unit 21b displays the information of the re-searched route on the route display sub screen 202 (updates the route display), and proceeds to the process in step S53.

By the processing of step S60, step S70, and step S80 according to the flowchart shown in FIG. 6, in the four-screen display shown in FIG. 5, the user can use the transit station addition sub screen 201, the paid limited express boarding station change sub screen 203, And the operation of "addition of transit station", "change of paid limited express boarding station", and "change of paid limited express getting off station" can be performed individually without switching the screen of the touch panel 51 by the paid limited express getting off station change sub screen 204. can.

Then, when the search conditions are changed by these operations, the route is searched again in step S81, and the route searched again in step S82 is displayed on the route display sub-screen 202. Therefore, the user can immediately check how the route has changed due to the change in the search condition.

Here, as in the first embodiment, when the arrival time or the fare is changed as a result of the route being searched again, the changed estimated arrival time or the fare may be highlighted.

[7. Other embodiments]
In the first embodiment, the configuration for searching the traveling route of the vehicle is shown, and in the second embodiment, the configuration for searching the usage route of public transportation is shown, but the application target of the present invention is not limited to these, and walking. The present invention can also be applied when searching for a route by bicycle or by bicycle.

In the first embodiment and the second embodiment, as search conditions that can be set, a waypoint, a toll road entrance, a toll road exit, a way station, a toll limited express boarding station, and a toll limited express getting off station are shown, but a route search is performed. Any item that affects the above can be adopted as a search condition.

Further, in the first and second modes, the display area of the touch panel 51 is divided into four, three search condition setting sub screens 71, 73, 74 or 201, 202, 203 and one route display sub screen 72 or 202. However, the number of search condition setting sub screens may be one, two, or four or more.

Further, in the first and second embodiments, the route search units 23a and 23b search for a plurality of routes, but the present invention can be applied even when searching for one route.

Further, the information related to the waypoint or the waypoint may be displayed on the waypoint addition sub-screen 71 in the first embodiment or the waypoint addition sub-screen 201 in the second embodiment.

Further, in the first embodiment, the map data and the toll data may be acquired from the information server 181 by the network communication unit 47. In the second embodiment, the route map data and the fare data may be acquired from the information server 181 by the network communication unit 47.

It should be noted that FIGS. 1 and 4 are schematic views showing the functional configurations of the navigation systems 1a and 1b classified according to the main processing contents in order to facilitate the understanding of the present invention, and are schematic views showing the navigation systems 1a and 1b. The configuration of can be further classified into more components according to the processing content. It can also be categorized so that one component performs more processing. Further, the processing of each component may be executed by one hardware or may be executed by a plurality of hardware. Further, the processing of each component may be realized by one program or may be realized by a plurality of programs.

Further, in the navigation systems 1a and 1b shown in FIGS. 1 and 4, the programs executed by the CPUs 20a and 20b are downloaded from an external server via, for example, the communication network 180, and then on the memories 30a and 30b such as RAM. It may be loaded into and executed by the CPU. Further, it may be directly loaded from the external server into the memories 30a and 30b such as RAM via the communication network and executed by the CPUs 20a and 20b. Alternatively, the storage medium connected to the navigation systems 1a and 1b may be loaded onto the memories 30a and 30b such as RAM.

Further, the processing units of the flowcharts shown in FIGS. 3 and 6 are divided according to the main processing contents in order to facilitate understanding of the processing by the navigation systems 1a and 1b. The invention of the present application is not limited by the method and name of division of the processing unit. The processing of the navigation systems 1a and 1b can be further divided into more processing units according to the processing content. It is also possible to divide one processing unit so as to include more processing. Further, as long as the same processing result can be obtained, the processing order of each of the above flowcharts is not limited to the illustrated example.

1a, 1b Navigation system 10a, 10b Controller 20a, 20b CPU
21a, 21b Screen display control unit 22 Operation status detection unit 23a, 23b Route search unit 24a, 24b Route guidance unit 30a, 30b Memory 31a, 31b Control program 40 Speaker 42 Gyro sensor 43 GPS receiver 44 FM multiplex receiver 45 Beacon Receiver 46 Vehicle communication unit 47 Network communication unit 50 Information unit 51 Touch switch 51a Display 51b Touch switch 52 Button switch 60a, 60b Storage device 61a Map DB
62a Map data 63a Toll data 61b Route map DB
62b Route map data 63b Boarding fee data 71 Route addition sub screen 72 Route display sub screen 73 Toll road entrance change sub screen 74 Toll road exit change sub screen 201 Via station addition sub screen 202 Route display sub screen 203 Toll express boarding station change Sub screen 204 Paid limited express getting off station change sub screen

Claims (5)

Display and
The display unit includes a screen display control unit that displays a setting screen for setting the end point of the route.
A route search unit that searches for a route from a predetermined start point to the end point according to the user's operation on the display of the setting screen.
Equipped with
When the route is searched by the route search unit, the screen display control unit divides the display area of the display unit into a plurality of sub display areas and displays the route, and the route display sub screen and the route display sub screen. In order to individually change the plurality of search conditions of the route, a plurality of search condition setting sub screens individually associated with the plurality of search conditions are assigned to any of the plurality of sub display areas and displayed.
When the route is searched, the route search unit estimates the end time of the movement by the route , and the user operates the plurality of search condition setting sub-screens on at least one of the plurality of search condition setting sub-screens. When at least one of the search conditions is changed, the route is searched again according to the changed search conditions.
The screen display control unit displays the route re-searched by the route search unit and the end time estimated by the route search unit on the route display sub-screen, and the route search unit displays the route. A navigation system characterized in that when the end time estimated by the route search unit is changed after being re-searched, the changed end time is highlighted. The route search unit searches for a plurality of different routes according to the user's operation on the display of the setting screen, and by the user's operation on at least one of the plurality of search condition setting sub screens. , When at least one of the plurality of search conditions is changed, the plurality of different routes are re-searched according to the changed search conditions.
The screen display control unit displays a plurality of different routes searched by the route search unit according to the user's operation on the display of the setting screen on the route display sub screen, and the route search unit displays the routes. when a plurality of the routes is re search, navigation system according to claim 1, characterized in that displaying a plurality of said different routes該再searches the route display sub-screen. The setting screen is a destination setting screen for setting a destination of a traveling route by a vehicle as the end point.
The route search unit searches for a traveling route from the current position of the vehicle to the destination as the route from the start point to the end point.
The screen display control unit is used as a plurality of search condition setting sub-screens to change a waypoint addition sub-screen for adding a waypoint in the travel route and an entrance of a toll road to be traveled in the travel route. The navigation according to claim 1 or 2 , wherein the toll road entrance change sub screen and the toll road exit change sub screen for changing the exit of the toll road traveling on the travel route are displayed. system. The setting screen is a departure / arrival station setting screen for setting the departure station of the movement route by railroad as the start point and setting the arrival station of the movement route as the end point.
The route search unit searches for a movement route from the departure station to the arrival station as the route from the start point to the end point.
The screen display control unit is a sub-screen for adding a transit station for adding a transit station in the middle of the travel route as a plurality of search condition setting sub-screens, and a boarding station for a paid limited express used in the travel route. A claim characterized by displaying a paid limited express boarding station change sub screen for changing a paid limited express boarding station and a paid limited express getting off station change sub screen which is a paid limited express getting off station used in the travel route. 1 or the navigation system according to claim 2. A screen display control step that displays a setting screen for setting the end point of the route on the display unit,
A route search step for searching a route from a predetermined start point to the end point according to the user's operation on the display of the setting screen, and
Including
The screen display control step includes a route display sub-screen that divides the display area of the display unit into a plurality of sub-display areas and displays the route when the route is searched by the route search step. In order to individually change the plurality of search conditions of the route, a plurality of search condition setting sub screens individually associated with the plurality of search conditions are assigned to any of the plurality of sub display areas and displayed.
When the route is searched, the route search step estimates the end time of the movement by the route , and the user operates the plurality of the search condition setting sub-screens on at least one of the plurality of search condition setting sub-screens. When at least one of the search conditions is changed, the route is searched again according to the changed search conditions.
The screen display control step displays the route re-searched by the route search step and the end time estimated by the route search step on the route display sub-screen, and the route is displayed by the route search step. A navigation method comprising highlighting the changed end time when the end time is re-searched and estimated by the route search step.

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