JP3866060B2 - Navigation device, display method, and program - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a navigation device, a display method, and a program.
[0002]
[Prior art]
Conventionally, a navigation device receives a signal transmitted from a GPS (Global Positioning Systems) satellite, detects a current position, and is recorded in information detected by an autonomous navigation sensor included in the navigation device and a recording device of the navigation device. Based on the map data, the current position of the vehicle is matched with the road shape of the map data, and the current position of the vehicle is displayed on the map of the navigation screen. Then, when the user sets the destination, the route search is performed based on the detected current position and the set destination, and the searched route is displayed on the map of the navigation screen to guide to the destination. Is going.
[0003]
In such a navigation device, when setting a destination, since an accurate address and telephone number are often unknown, the destination set by the user is a public facility whose accurate location is known, or A point was set. Therefore, for example, when a user visits an acquaintance's house, a public facility near the acquaintance's house is set as the destination, or a point near the acquaintance's house (for example, an intersection) is set as the destination. Then, after the vehicle arrives at the destination set first and the navigation device guides the route, the user searches for the acquaintance's home that is the original destination by referring to the map screen. I was driving around to find an acquaintance's house.
[0004]
[Problems to be solved by the invention]
However, in such a conventional navigation device, the angle (that is, the direction) of the map screen displayed on the navigation screen changes according to the traveling direction of the vehicle. For this reason, it is easy to understand when route guidance is performed, but when you search for the destination by referring to the map screen yourself, it is very difficult to know which direction the vehicle is heading and where the destination is There was a problem. In addition, after arriving at the first destination, while searching for the original destination, the user may lose sight of the first destination and move away from the original destination. It was. Or, while searching for the original destination, it is unclear which road you have passed, so you have to drive the same road over and over, and the efficiency of searching is low. there were.
[0005]
An object of the present invention is to make it easy to reach the original destination from the initially set destination.
[0006]
[Means for Solving the Invention]
  In order to solve the above problems, the present invention provides:
  Detecting the current position of the vehicle and displaying the current position on the map screen, guiding from the current position to the initially set destination,After that, to search for the original destinationIn navigation devices,
  Vehicle arrives at the set destinationWhile driving the vehicle afterA set destination display means for displaying the set destination at the center position of the map screen;
  During vehicle travel after arrival at the set destination,Screen fixed display means for fixing and displaying the map screen in a predetermined direction;
  During vehicle travel after arrival at the set destination,Scale control means for controlling the scale ratio of the map screen according to the positional relationship between the current position of the vehicle and the set destination;
  It is characterized by having.
[0007]
In the present invention,
The scale control means preferably displays the maximum range of the scale ratio on the map screen when the scale ratio of the map screen is not maximum.
[0008]
  Furthermore, the present invention provides
The current position of the vehicle is detected, and the trajectory along with the current position is displayed on the map screen.
, Guide you from the current position to the first set destinationAfter that, to search for the original destinationIn navigation devices,
  A trajectory display control unit is provided that displays the trajectory of the vehicle traveling to the set destination and the trajectory of the vehicle traveled after reaching the set destination in an identifiable manner.
[0009]
  Furthermore, the present invention provides
  In the navigation device for detecting the current position of the vehicle and displaying the current position on the map screen, guiding from the current position to the initially set destination, and then searching for the original destination,
  When the vehicle arrives at the set destination, there is provided set destination information display means for displaying set destination information indicating a positional relationship between the current position of the vehicle and the set destination on a map screen. .
[0010]
In the present invention,
The set destination information includes at least one of a linear distance from the set destination to the current position of the vehicle, a travel distance, a travel time, and a direction from the current position of the vehicle to the set destination. preferable.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0012]
[First embodiment]
FIGS. 1-3 is a figure which shows one Embodiment of the navigation apparatus 1 in 1st Embodiment to which this invention is applied.
[0013]
First, the configuration will be described.
FIG. 1 is a block diagram showing a main configuration of a navigation device 1 according to the present embodiment.
In FIG. 1, the navigation device 1 includes a CPU (Central Processing Unit) 11, a GPS antenna 12, an autonomous navigation unit 13, an input unit 14, a display unit 15, a memory 16, a storage device 17, and the like.
[0014]
The CPU 11 reads out and executes various system programs stored in the storage device 17, and drives and controls each part of the navigation device 1. Further, various application programs for navigation stored in the storage device 17 are read out based on data input via the GPS antenna 12, the autonomous navigation unit 13, the input unit 14, etc., and current position detection processing, route search are performed. Various processes such as a process and a fixed screen display process are executed, and the processing result is displayed on the display unit 15.
[0015]
Specifically, the CPU 11 executes a screen fixing display process (see FIG. 2) to be described later based on a screen fixing display processing program stored in the storage device 17.
[0016]
In this screen fixed display process, the CPU 11 determines whether or not the host vehicle has arrived at the destination initially set by the user (defined as “set destination” in the present specification). When the vehicle arrives at the set destination, it is determined whether the screen fixed display setting is turned on. When the screen fixed display setting is on, the CPU 11 displays the set destination at the center of the map screen. Next, the CPU 11 fixes the angle (that is, direction) of the displayed map screen. Here, the angle of the map screen to be fixed is fixed to various angles, such as when the angle of the map screen that has been displayed until just before is fixed, or when the angle of the map screen is fixed with the north direction facing upward. Is possible. In the first embodiment, a case where the angle of the map screen is fixed with the north direction facing upward will be described as an example.
[0017]
Next, the CPU 11 determines whether or not the scale of the displayed map screen is maximum. If the scale of the map screen is not maximum, the CPU 11 displays the map screen with the maximum scale. Next, the CPU 11 acquires current position information from the GPS antenna 12 and the autonomous navigation unit 13 and detects the current position of the host vehicle. Next, the display position of the map screen is acquired from the detected current position of the vehicle.
[0018]
Next, the CPU 11 determines whether or not the display position of the own vehicle is near the center of the map screen. Here, when the display position of the own vehicle is not near the center of the map screen, or when the own vehicle is around the map screen, the CPU 11 reduces the map screen while displaying the set destination in the center, and Display the current position. Further, the CPU 11 displays the maximum scale range of the map screen on the map screen with a dotted line or a broken line. On the other hand, when the display position of the own vehicle is near the center of the map screen, the CPU 11 displays the current position of the own vehicle on the map screen as it is.
[0019]
Then, the CPU 11 detects the current position of the host vehicle every predetermined distance or every predetermined time until the end instruction is input by the user or the host vehicle is stopped for a predetermined time or longer, and the screen is fixedly displayed. Repeat the process.
[0020]
The GPS antenna 12 receives GPS signals transmitted from a plurality of GPS satellites launched in a low earth orbit. The GPS antenna 12 receives GPS signals transmitted from at least three GPS satellites, detects the absolute current position (latitude, longitude) of the vehicle based on the received GPS signals, and outputs the detected current position to the CPU 11.
[0021]
The autonomous navigation unit 13 includes an angle sensor, a distance sensor, and the like. The angle sensor detects the angular velocity of the vehicle (the rotation angle in the horizontal direction per unit time) and calculates the amount of change in the moving direction. A distance sensor detects the pulse signal output according to rotation of a wheel, and calculates the moving amount | distance of a vehicle. The autonomous navigation unit 13 calculates a relative position change of the vehicle based on the angular velocity signal and the vehicle speed pulse signal, and outputs it to the CPU 11.
[0022]
The input unit 14 includes various keys associated with various functions such as navigation use in addition to character keys, numeric keys, and search keys, and outputs operation signals for the operated keys to the CPU 11. Further, the input unit 14 may include a touch panel provided so as to cover the display unit 15 constituted by a color liquid crystal display or the like, and a touch instruction is performed based on a coordinate reading principle such as an electromagnetic induction type, a magnetostriction type, or a pressure sensitive type. The detected coordinates are detected, and the detected coordinates are output to the CPU 11 as a position signal. Or it is good also as a structure provided with input devices, such as a remote control and a microphone.
[0023]
The display unit 15 is configured by a color liquid crystal display or the like, and displays the input content in the input unit 14 and display information for navigation input from the CPU 11.
[0024]
The memory 16 includes a RAM, a ROM, and the like, and forms a work area that temporarily stores various programs executed by the CPU 11 and data related to these various programs.
[0025]
The storage device 17 includes a recording medium (not shown) in which programs, data, and the like are stored in advance. Various applications of the navigation device 1 executed by the CPU 11 and data related to these programs are stored in the recording medium. Memorize etc. For example, the recording medium includes various programs such as a current position detection process, a route search process, and a screen fixed display process for performing the above processes, and various setting contents related to the operations of the map database 171, the travel history database 172, and the navigation device 1. Is stored.
[0026]
For example, the map database 171 shown in FIG. 1 contains map data used for detection of the current position of the vehicle, route search to the destination, display of navigation, and various symbol data such as roads, facilities, seas and lakes. Remember. Further, the travel history database 172 stores data related to the past travel trajectory of the vehicle, specifically, travel history data including the date and time of travel, route information actually traveled by the vehicle, travel distance, required time, and the like. .
[0027]
Next, the operation of the navigation device 1 in the first embodiment will be described.
A program for realizing each function described in the flowchart of FIG. 2 shown below is stored in the storage device 17 in the form of a readable program code, and the CPU 11 follows this program code. Perform operations sequentially. It is also possible to execute operations peculiar to this embodiment by using a program / data supplied from a CD-ROM, DVD-ROM control unit or the like (not shown).
[0028]
In FIG. 2, the CPU 11 determines whether or not the own vehicle has arrived at the set destination (step S11). If the vehicle has not arrived at the set destination (step S11; NO), the route guidance is continued as it is. On the other hand, when the host vehicle has arrived at the set destination (step S11; YES), the CPU 11 determines whether or not the display setting after the guidance is ended is set to on (step S12). Here, when the screen fixed display setting is set to OFF (step S12; NO), the CPU 11 performs a normal display process.
[0029]
On the other hand, when the screen fixed display setting is set to ON (step S12; YES), the CPU 11 displays the map screen so that the set destination is displayed at the center of the screen (step S13), and the angle of the map screen is displayed. Is fixed with the north direction facing upward (step S14). Next, the CPU 11 determines whether or not the map screen is the maximum scale (step S15). If the map screen is not at the maximum scale (step S15; NO), the CPU 11 displays the map screen at the maximum scale (step S16).
[0030]
Next, the CPU 11 detects the current position of the host vehicle and acquires a display position corresponding to the map screen (step S17). Next, the CPU 11 determines whether or not the display position of the own vehicle is near the center of the map screen (step S18). Here, when the display position of the own vehicle is near the center of the map screen (step S18; YES), the CPU 11 displays the current position of the own vehicle on the map screen (step S21).
[0031]
On the other hand, if the current position of the vehicle is not near the center of the map screen or is around the map screen (step S18; NO), the CPU 11 reduces the map screen while keeping the set destination at the center position. (Step S19). Next, the CPU 11 displays the current position of the host vehicle and the maximum scale range on the map screen (step S20).
[0032]
Next, the CPU 11 determines whether or not an end instruction is input via the input unit 14 (step S22). When the end instruction is input (step S22; YES), the CPU 11 ends the screen fixed display process. On the other hand, when the end instruction is not input (step S22; NO), the CPU 11 determines whether or not the own vehicle is continuously stopped for a predetermined time or more (step S23). When the own vehicle is continuously stopped for a predetermined time or longer (step S23; YES), the CPU 11 determines that the user has forgotten to input the end instruction, and ends the screen fixing display process.
[0033]
On the other hand, when the own vehicle has not been stopped for a predetermined time or longer (step S23; NO), the CPU 11 proceeds to step S15 and repeats the processes of steps S15 to S22.
[0034]
FIGS. 3A and 3B are diagrams showing examples of map screens displayed in step S21 and step S20 of the screen fixed display process described above. FIG. 3A is a diagram showing an example of a map screen in which the current position of the vehicle is displayed on the maximum scale map screen in step S21. In FIG. 3A, the set destination 31 is displayed at the center of the screen, and the own vehicle position mark 32 indicates the direction of the own vehicle by a Δ mark. Here, in FIG. 3A, since the angle of the map screen is fixed with the north direction facing upward, it can be seen that the vehicle is traveling in the west direction.
[0035]
FIG. 3B is a diagram showing a map screen example in which the map screen is reduced and the current position of the vehicle is displayed in step S20. In FIG. 3B, the set destination 31 is displayed at the center of the screen, and the vehicle position mark 32 indicates the current position by pointing in the north direction according to the direction of the Δ mark. In addition, a boundary line 33 indicating the maximum scale range is displayed on the map screen.
[0036]
As described above, the navigation device 1 according to the first embodiment displays the set destination at the center of the map screen after reaching the initially set destination, and fixes the angle of the map screen. Corresponding to the map screen, the direction of the vehicle is changed, and the current position of the vehicle is displayed on the map screen. When the scale ratio of the map screen is not the maximum, the maximum scale range is displayed on the map screen.
[0037]
Therefore, when the user searches for the original destination near the initially set destination, the user can accurately recognize the relative current position of the vehicle from the set destination, and the direction in which the vehicle is facing Never lose sight of the original destination direction. As a result, the user can efficiently search for the original destination, and can easily reach the original destination. When the scale ratio of the map screen is not the maximum, the user can easily recognize the current position of the vehicle and the relative position of the set destination by displaying the maximum scale range on the map screen.
[0038]
The description in the first embodiment is an example of the navigation apparatus according to the present invention, and the present invention is not limited to this. For example, in the first embodiment, the angle of the map screen is fixed with the north direction facing upward, but it may be fixed at the angle of the map screen displayed until just before, or otherwise. The angle of the map screen may be fixed in the direction of.
[0039]
[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIGS. In the second embodiment, the CPU 11 executes the trajectory identification display process (see FIG. 4) based on the trajectory identification display process program using the navigation device 1 in the first embodiment. Thus, the present invention is realized. Therefore, the navigation device 1 according to the second embodiment has the same configuration as that in the first embodiment, and illustrations and descriptions thereof are omitted, and the same parts are denoted by the same reference numerals. To explain. Hereinafter, the trajectory identification display process, which is a characteristic invention in the second embodiment, will be described in detail.
[0040]
In this trajectory identification display process, the CPU 11 determines whether or not the host vehicle has arrived at the destination (set destination) initially set by the user. If the host vehicle has arrived at the set destination, the trajectory identification is performed. Determine whether the display setting is on. When the locus identification display setting is on, the CPU 11 acquires the current position of the host vehicle and acquires the display position of the map screen corresponding to the current position. Next, the CPU 11 displays the current position of the vehicle on the map screen, and displays the trajectory from the set destination so as to be distinguishable from the trajectory display to the set destination.
[0041]
Further, when an instruction to delete the locus display to the set destination is input via the input unit 14, the CPU 11 deletes the locus display to the set destination and displays only the locus from the set destination. Let The trajectory is a route that the vehicle has traveled in the past, and the trajectory display is that the trajectory is displayed by superimposing the route that the vehicle has traveled in the past on the map screen.
[0042]
Next, the operation of the navigation device 1 in the second embodiment will be described.
FIG. 4 is a flowchart showing a trajectory identification display process executed by the CPU 11 of the navigation device 1 according to the second embodiment.
[0043]
In FIG. 4, the CPU 11 determines whether or not the own vehicle has arrived at the set destination (step S31). If the vehicle has not arrived at the set destination (step S31; NO), the route guidance is continued as it is. On the other hand, when the host vehicle arrives at the set destination (step S31; YES), the CPU 11 determines whether or not the track identification display setting is set to ON (step S32). Here, when the locus identification display setting is set to OFF (step S32; NO), the CPU 11 performs a normal display process.
[0044]
On the other hand, when the trajectory identification display setting is set to ON (step S32; YES), the CPU 11 determines whether or not an instruction to delete the trajectory display up to the set destination is input (step S33). Here, when an instruction to delete the trajectory display to the set destination is input (step S33; YES), the CPU 11 deletes the trajectory display to the set destination (step S34). On the other hand, when an instruction to delete the locus display up to the set destination is not input (step S33; NO), the CPU 11 keeps the locus displayed.
[0045]
Next, the CPU 11 detects the current position of the host vehicle based on the current position information input from the GPS antenna 12 and the autonomous navigation unit 13, and acquires the display position of the map screen (step S37). Then, the current position of the host vehicle is displayed on the map screen, and the trajectory of the host vehicle from the set destination is displayed so that the trajectory of the host vehicle to the set destination can be identified (step S36).
[0046]
Next, the CPU 11 determines whether or not an end instruction has been input via the input unit 14 (step S37). When the end instruction is input (step S37; YES), the CPU 11 ends the trajectory identification display process. On the other hand, when the end instruction is not input (step S37; NO), the CPU 11 determines whether or not the own vehicle is continuously stopped for a predetermined time or more (step S38). When the own vehicle is continuously stopped for a predetermined time or longer (step S38; YES), the CPU 11 determines that the user forgot to input the end instruction, and ends the trajectory identification display process.
[0047]
On the other hand, when the own vehicle has not been stopped for a predetermined time or longer (step S38; NO), the CPU 11 proceeds to step S35 and repeats the processes of steps S35 to S37.
[0048]
FIG. 5 is a diagram showing an example of the map screen displayed in step S36 of the above-described trajectory identification display process. In FIG. 5, the own vehicle position mark 54 is displayed in the traveling direction in the center of the screen. Note that the angle of the map screen changes according to the traveling direction of the vehicle. The trajectory 52 up to the set destination 51 and the trajectory 53 from the set destination 51 are displayed so as to be distinguishable by changing the route pattern. Here, when an instruction to delete the locus 53 to the set destination 51 is input via the input unit 14, the locus 53 is deleted from the map screen, and only the locus 53 is displayed on the map screen.
[0049]
As described above, according to the second embodiment, the navigation device 1 displays the trajectory to the initially set destination and the trajectory from the set destination on the map screen so as to be distinguishable. . Further, in response to the user's instruction, the locus display up to the set destination is erased, and after arriving at the set destination, only the locus from the set destination is displayed.
[0050]
Therefore, the user can accurately recognize the trajectory that the vehicle has traveled from the set destination when searching for the original destination near the initially set destination. As a result, it is possible to prevent traveling on the same road many times and to efficiently search for the original destination in a short time. Further, the relative positional relationship between the set destination and the current position of the host vehicle can be clarified. For example, it is particularly effective when searching for a relatively wide range such as a mountainous area or an improvement zone.
[0051]
The description in the second embodiment is an example of the navigation device according to the present invention, and the present invention is not limited to this. For example, in the second embodiment, the trajectory display to the set destination and the trajectory display from the set destination are displayed so as to be distinguishable by changing the route pattern. It is good also as a display which can be identified by changing.
[0052]
[Third embodiment]
Next, a third embodiment of the present invention will be described with reference to FIGS. In the third embodiment, the CPU 11 executes the set destination information display processing based on the set destination information display processing program using the navigation device 1 in the first embodiment. Thus, the present invention is realized. Therefore, the navigation device 1 according to the third embodiment has the same configuration as that in the first embodiment, and illustrations and descriptions thereof are omitted, and the same parts are denoted by the same reference numerals. To explain. Hereinafter, the setting destination information display process (see FIG. 6), which is a characteristic invention in the third embodiment, will be described in detail.
[0053]
In this set destination information display processing, the CPU 11 determines whether or not the host vehicle has arrived at the destination (set destination) initially set by the user, and when the host vehicle has arrived at the set destination, It is determined whether or not the setting destination information display setting is on. When the set destination information display setting is on, the CPU 11 recognizes the set destination as a reference point. Next, the CPU 11 detects the current position of the host vehicle, and calculates a linear distance and a travel distance from the set destination recognized as the reference point to the current position.
[0054]
In addition, the CPU 11 acquires a direction from the current position to the set destination, and calculates a travel time from the set destination to the current location. Then, the CPU 11 displays the linear distance from the set destination to the current position, the travel distance, the travel time, and the direction from the current position to the set destination as set destination information on the map screen.
[0055]
Note that when performing the setting destination information display setting, the user can arbitrarily set display / non-display of the linear distance, the traveling distance, the traveling time, the direction with respect to the setting destination, and the like in advance. That is, only necessary information can be displayed without displaying all information included in the set destination information on the map screen.
[0056]
Next, the operation of the navigation device 1 in the third embodiment will be described.
FIG. 6 is a flowchart showing a set destination information display process executed by the CPU 11 of the navigation device 1 according to the third embodiment.
[0057]
In FIG. 6, the CPU 11 determines whether or not the own vehicle has arrived at the set destination (step S41). If the vehicle has not arrived at the set destination (step S41; NO), the route guidance is continued as it is. On the other hand, when the host vehicle arrives at the set destination (step S41; YES), the CPU 11 determines whether or not the set destination information display setting is set to ON (step S42). Here, when the set destination information display setting is set to OFF (step S42; NO), the CPU 11 performs a normal display process.
[0058]
On the other hand, when the set destination information display process is set to ON (step S42; YES), the CPU 11 recognizes the set destination as a reference point (step S43). Next, the CPU 11 acquires current position information from the GPS antenna 12 and the autonomous navigation unit 13 and detects the current position of the host vehicle (step S44). Next, the CPU 11 calculates a linear distance from the set destination recognized as the reference point to the current position, and a travel distance (step S45).
[0059]
Further, the CPU 11 acquires the direction from the current position to the set destination (step S46), and calculates the travel time from the set destination to the current position (step S47). Then, the CPU 11 displays the linear distance from the set destination to the current position, the travel distance, the travel time, and the direction from the current position to the set destination on the map screen (step S48). In addition, linear information from the set destination displayed as the set destination information to the current position, the travel distance, the travel time, and the direction from the current position to the set destination are selected and displayed or not displayed in advance. Can be set.
[0060]
Next, the CPU 11 determines whether or not an end instruction is input via the input unit 14 (step S49). When the end instruction is input (step S49; YES), the CPU 11 ends the set destination information display process. On the other hand, when the end instruction is not input (step S49; NO), the CPU 11 determines whether or not the own vehicle is continuously stopped for a predetermined time or more (step S50). When the own vehicle is continuously stopped for a predetermined time or longer (step S50; YES), the CPU 11 determines that the user forgot to input the end instruction, and ends the set destination information display process.
[0061]
On the other hand, when the own vehicle has not been stopped for a predetermined time or longer (step S50; NO), the CPU 11 proceeds to step S44 and repeats the processes of steps S44 to S49.
[0062]
FIG. 7 is a diagram showing an example of the map screen displayed in step S48 of the set destination information display process described above. In FIG. 7, the vehicle position mark 72 is displayed at the center of the screen in the direction of travel. Note that the angle of the map screen changes according to the traveling direction of the vehicle. Further, on the upper right side of the map screen, as the set destination information, a linear distance from the set destination to the current location, a travel distance, and a travel time are displayed. Further, the direction from the current position to the set destination is displayed as a direction indication mark 73 in the vicinity of the vehicle position mark 72. In FIG. 7, the direction from the current location to the set destination is indicated by the direction indication mark 73 as the southeast direction.
[0063]
As described above, according to the third embodiment, after the navigation apparatus 1 arrives at the initially set destination, the linear distance from the set destination to the current position, the travel distance, the travel time, The direction from the current position to the set destination is displayed on the map screen as set destination information.
[0064]
Therefore, after arriving at the set destination, the user can search for the original destination while checking the distance and direction from the set destination when searching for the original destination. As a result, while searching for the original destination, the original destination can be efficiently searched without leaving the set destination or losing sight of the set destination. In addition, since the direction from the current position of the vehicle to the set destination is always displayed, even when the set destination is off the map screen and the set destination is not displayed, the position of the set destination can be recognized accurately. As a result, even if the set destination deviates from the map screen, there is no need to reduce the map screen to display the set destination, so the map screen can always be displayed at the maximum scale. It is effective when searching for a relatively narrow area such as a shopping street.
[0065]
The description in the third embodiment is an example of the navigation device according to the present invention, and the present invention is not limited to this. For example, in the third embodiment, the information displayed as the set destination information is not limited to the linear distance from the set destination, the travel distance, the travel time, and the direction from the current position to the set destination. All of these may not be displayed.
In addition, the detailed configuration and detailed operation of the navigation device 1 according to the present embodiment can be changed as appropriate without departing from the spirit of the present invention.
[0066]
【The invention's effect】
According to the navigation device of the present invention, when searching for the original destination after arriving at the set destination, the relative positional relationship between the current position of the host vehicle and the set destination is clearly displayed, so that the user Can efficiently find the original destination.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a main configuration of a navigation device according to an embodiment to which the present invention is applied.
FIG. 2 is a flowchart showing a screen fixing display process executed by a CPU 11 of FIG.
3A is a diagram showing an example of a map screen displayed on the display unit 15 in step S21 of FIG.
(B) It is a figure which shows the example of a map screen displayed on the display part 15 in step S20 of FIG.
4 is a flowchart showing a trajectory identification display process executed by CPU 11 of FIG.
FIG. 5 is a diagram showing an example of a map screen displayed on the display unit 15 in step S36 of FIG.
6 is a flowchart showing a set destination information display process executed by the CPU 11 of FIG.
7 is a diagram showing an example of a map screen displayed on the display unit 15 in step S48 of FIG.
[Explanation of symbols]
1 Navigation device
11 CPU
12 GPS antenna
13 Autonomous navigation unit
14 Input section
15 Display section
16 memory
17 Storage device

Claims (9)

In the navigation device for detecting the current position of the vehicle and displaying the current position on the map screen, guiding from the current position to the initially set destination, and then searching for the original destination ,
Setting destination display means for displaying the set destination at the center position of the map screen during vehicle travel after the vehicle arrives at the set destination;
Screen fixed display means for fixing and displaying the map screen in a predetermined direction during traveling of the vehicle after arrival at the set destination ;
Scale control means for controlling the scale ratio of the map screen according to the positional relationship between the current position of the vehicle and the set destination while the vehicle travels after arrival at the set destination ;
A navigation device comprising:   The navigation apparatus according to claim 1, wherein the scale control means displays a maximum range of the scale ratio on the map screen when the scale ratio of the map screen is not maximum. Detects the current position of the vehicle, displays the trajectory of the vehicle along with the current position on the map screen, guides from the current position to the first set destination, then searches for the original destination and travels In a navigation device for
A navigation apparatus, comprising: a locus display control means for displaying the locus of travel of the vehicle up to the set destination and the locus of travel of the vehicle after reaching the set destination in an identifiable manner.   When the vehicle arrives at the set destination, there is provided set destination information display means for displaying set destination information indicating a positional relationship between the current position of the vehicle and the set destination on a map screen. The navigation device according to claim 1 or 2.   The set destination information includes at least one of a linear distance from the set destination to the current position of the vehicle, a travel distance, a travel time, and a direction from the current position of the vehicle to the set destination. 5. The navigation apparatus according to claim 4, wherein Display on the navigation device for detecting the current position of the vehicle, displaying the current position on the map screen, guiding from the current position to the initially set destination, and then searching for the original destination In the method
A set destination display step of displaying the set destination at the center position of the map screen when a vehicle arrives at the set destination;
A screen fixing display step of fixing and displaying the map screen in a predetermined direction;
A scale control step for controlling the scale ratio of the map screen according to the positional relationship between the current position of the vehicle and the set destination;
A display method comprising: Navigation for detecting the current position of the vehicle, displaying the travel path of the vehicle along with the current position on the map screen, guiding to the initially set destination, and then searching for the original destination In the display method in the device,
A display method, comprising: a track display control step for displaying the trajectory that the vehicle has traveled to the set destination and the trajectory that the vehicle has traveled after reaching the set destination in an identifiable manner. On the computer,
A function for displaying the set destination at the center position of the map screen when the vehicle arrives at the set destination set first;
A function of fixing and displaying the map screen in a predetermined direction;
A function of controlling the scale ratio of the map screen according to the positional relationship between the current position of the vehicle and the set destination;
A program to realize On the computer,
A program for realizing a function of displaying a trajectory that a vehicle has traveled to a set destination that is initially set and a trajectory that the vehicle has traveled after reaching the set destination in an identifiable manner.

Images