JP2012083358A - Navigation device, navigation method, navigation program and recording medium - Google Patents

Navigation device, navigation method, navigation program and recording medium Download PDF

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Publication number
JP2012083358A
JP2012083358A JP2011269450A JP2011269450A JP2012083358A JP 2012083358 A JP2012083358 A JP 2012083358A JP 2011269450 A JP2011269450 A JP 2011269450A JP 2011269450 A JP2011269450 A JP 2011269450A JP 2012083358 A JP2012083358 A JP 2012083358A
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Japan
Prior art keywords
guidance
displayed
sign
distance
guide
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JP2011269450A
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Japanese (ja)
Inventor
Kazuo Ikeda
Kenji Kikui
Kan Nagasawa
Kiyoshi Sasaki
Kumiko Shudo
聖志 佐々木
款 永澤
和生 池田
健二 菊井
久美子 首藤
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Increment P Corp
Pioneer Electronic Corp
インクリメント・ピー株式会社
パイオニア株式会社
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Priority to JP2011269450A priority Critical patent/JP2012083358A/en
Publication of JP2012083358A publication Critical patent/JP2012083358A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To precisely estimate energy consumption in a travel section and a travelable range of a vehicle.SOLUTION: A navigation device 100 performs guidance of a route to a destination by using a guide image arranging a plurality of guide signs indicating guidance directions at respective predetermined guidance spots, from a near side in order of proximity to a current position. The navigation device 100 comprises a setting unit 101, an extraction unit 102, a calculation unit 103 and a display control unit 104. The setting unit 101 presets a first predetermined distance from the current position. The extraction unit 102 extracts a predetermined guidance spot on the route. The calculation unit 103 calculates a distance from the current position to the predetermined guidance spot extracted by the extraction unit 102. When the distance to the predetermined guidance spot that is calculated by the calculation unit 103 becomes equal to or less than the first predetermined distance, the display control unit 104 changes a color of the guide sign at the guidance spot in a different color from what has been displayed.

Description

  The present invention relates to a navigation device, a navigation method, a navigation program, and a recording medium.

  In recent years, a mobile device is equipped with a navigation device that searches and guides a route to a destination. In such a navigation device, when driving on an expressway, in addition to the normal map display, in addition to the distance and time to the guide points such as junctions, service areas and interchanges, the distance and time between each guide point, etc. It is known to display.

  Specifically, as such a technique, for example, a plurality of windows indicating the guidance direction for each guidance point are arranged from the lower side to the upper side in the order from the own vehicle position, and the windows are enlarged in the order closer to the own vehicle position. A technique for displaying is proposed (for example, see Patent Document 1 below).

Japanese Patent No. 3948299

  However, in the technique described in Patent Document 1 described above, only what guidance is performed in the order of passing is displayed, and it is not possible to see at a glance how close the vehicle is to the next guidance point. The problem is an example. In particular, in the case of a navigation device mounted on a two-wheeled vehicle, the user cannot frequently look at the display screen, so if the sense of distance is unknown, the user cannot grasp the information instantly, As an example, there is a problem that there is a possibility of deviating from the guidance route in some cases.

  In order to solve the above-described problems and achieve the object, the navigation device according to claim 1 is a navigation device that displays guidance information for each predetermined guidance point and guides a route to the destination. Extraction means for extracting a predetermined guidance point on the route; calculation means for calculating a distance from the current point to the predetermined guidance point; and distance to the predetermined guidance point calculated by the calculation means Display control means for making the display form of the guidance information at the guidance point different from the display form that has been displayed so far.

  The navigation method according to claim 3 is a navigation method for guiding guidance to a destination by displaying guidance information for each predetermined guidance point, and extracting a predetermined guidance point on the route. An extraction step, a calculation step for calculating a distance from the current point to the predetermined guidance point, and the guidance when the distance to the predetermined guidance point calculated by the calculation step is equal to or less than a predetermined distance. A display control step of changing the display form of the guidance information at the point from the display form displayed so far.

  A navigation program according to claim 4 causes a computer to execute the navigation method according to claim 3.

  According to a fifth aspect of the present invention, there is provided a recording medium in which the navigation program according to the fourth aspect is recorded in a computer readable manner.

It is a block diagram which shows an example of a functional structure of the navigation apparatus concerning this Embodiment. It is a flowchart which shows an example of the navigation processing procedure of the navigation apparatus concerning this Embodiment. It is a block diagram which shows an example of the hardware constitutions of the navigation apparatus concerning a present Example. It is a flowchart which shows an example of the navigation process which the navigation apparatus concerning a present Example performs. It is explanatory drawing which shows an example of the display screen displayed when the latest guidance point is located 701 m or more from the present position. It is explanatory drawing which shows an example of the display screen displayed when the latest guidance point is located within 700 m from the present position. It is explanatory drawing which shows an example of the display screen displayed when the latest guidance point is located within 300 m from the present position. It is explanatory drawing which shows an example of the detailed map screen displayed when the latest guidance sign is selected. It is explanatory drawing which shows an example of the induced image which added time. It is explanatory drawing which shows an example of the guidance image which added the number of the traffic lights between each guidance signs. It is explanatory drawing which shows an example of the guidance image at the time of arrange | positioning another guidance sign on the side of the direction which the latest guidance sign shows. It is explanatory drawing which shows an example of the guidance image at the time of arrange | positioning another guidance sign on the side of the direction which the latest guidance sign shows. It is explanatory drawing which shows an example of the guidance image at the time of arrange | positioning each guidance sign corresponding to the direction which each guidance sign shows. It is explanatory drawing which shows an example of the guidance image at the time of arrange | positioning each guidance sign corresponding to the direction which each guidance sign shows. It is explanatory drawing which shows an example of the guidance image at the time of considering all the guidance signs displayed as a path | route. It is explanatory drawing which shows an example of the guidance image at the time of considering all the guidance signs displayed as a path | route. It is explanatory drawing which shows an example of the guidance image at the time of making the latest guidance label | marker which shows a straight ahead direction appear by an animation image. It is explanatory drawing which shows an example of the guidance image at the time of making the latest guidance label | marker which shows a straight ahead direction appear by an animation image. It is explanatory drawing which shows an example of the guidance image at the time of making the latest guidance sign which shows the left turn direction appear by an animation image. It is explanatory drawing which shows an example of the guidance image at the time of making the latest guidance sign which shows the left turn direction appear by an animation image. It is explanatory drawing which showed an example of the display of the guidance image at the time of displaying a guidance sign in three dimensions. It is explanatory drawing which showed an example of the guidance sign which showed other shapes. It is explanatory drawing which showed an example of the guidance sign which showed other shapes.

  Exemplary embodiments of a navigation device, a navigation method, a navigation program, and a recording medium according to the present invention are explained in detail below with reference to the accompanying drawings.

(Embodiment)
(Functional configuration of navigation device)
A functional configuration of the navigation device 100 according to the embodiment of the present invention will be described. FIG. 1 is a block diagram showing an example of a functional configuration of the navigation device 100 according to the present embodiment. The navigation device 100 guides a route to a destination using a guide image in which a plurality of guide signs indicating a guide direction for each predetermined guide point are arranged on the near side in order from the current point. .

  Predetermined guidance points are all points where guidance such as right / left turn or straight direction is performed, points where only right / left turns except for the straight direction are directed, points where there is no history of travel, setting of guidance by the user It is the point where was done. Further, the route to the destination may be a route searched by a search unit built in the navigation device 100, or a route manually set by the user.

  The guidance sign indicates the guidance direction at the guidance point, and is specifically displayed using arrows indicating the right direction, the left direction, and the straight direction. Specifically, the guidance sign is displayed at three points, but the number is not limited as long as it is two or more points. The guide image is an image that is displayed in a region provided with these guide signs (arrows) and provided separately from the map image region. The display screen is displayed side by side with the map image, but only the guide image may be displayed.

  In FIG. 1, a navigation device 100 includes a setting unit 101, an extraction unit 102, a calculation unit 103, a display control unit 104, a display unit 105, an acquisition unit 106, a mode setting unit 107, and a reception unit 108. It is configured with.

  The setting unit 101 is preset with a first predetermined distance from the current location. The first predetermined distance is a distance that is set to change and display the color of the guidance sign and is set as a distance (for example, 300 m) approaching the predetermined guidance point. The first predetermined distance is a value set in advance as a default value, but may be set appropriately by the user.

  The extraction unit 102 extracts a predetermined guidance point on the route. Specifically, the extraction unit 102 extracts position information of the guidance point. The extraction timing by the extraction unit 102 is when a route is searched by a route search unit (not shown), when the route is being guided, or when a route is manually set by the user.

  The calculation unit 103 calculates the distance from the current point to the predetermined guidance point extracted by the extraction unit 102. The calculation unit 103 calculates the distance from the current location to each guidance location for a plurality of guidance location points.

  When the distance to the predetermined guidance point calculated by the calculation unit 103 is equal to or less than the first predetermined distance, the display control unit 104 has displayed the color of the guidance sign at the guidance point so far. Make it different from the color. When the distance to the guidance point is not more than the first predetermined distance, the display control unit 104 displays other guidance signs up to that time, not only for the guidance sign arranged at the foremost position but also for other guidance signs. Control to make it different from the color displayed on. That is, there is a case where a plurality of guide signs are displayed with a different color on the guide image.

  It is preferable that the color of the guidance sign when the distance is equal to or less than the first predetermined distance is a conspicuous color compared to the color displayed so far, for example, the color displayed so far is blue In this case, it is preferable to use red. For example, the area of the guide sign for different colors is the background of an arrow, but depending on the form of the guide sign, it may be the arrow itself indicating the guide direction.

  The display unit 105 displays a guide image in which a guide sign is arranged under the control of the display control unit 104. Specifically, a display is used as the display unit 105.

  In the present embodiment, setting unit 101 may set a second predetermined distance that is longer than the first predetermined distance from the current location. The second predetermined distance is set as a distance (for example, 700 m) that indicates that the user is approaching the guidance point to some extent. The second predetermined distance is a value set in advance as a default value, but may be set appropriately by the user.

  In this case, the display control unit 104 displays the display format of the guidance sign when the distance to the guidance point calculated by the calculation unit 103 is equal to or less than the second predetermined distance. To be different. The display format of the guidance sign when the distance is equal to or less than the second predetermined distance is, for example, different colors or blinking, and details of the guidance point as described later. For example, adding information to the inductive label.

  In the present embodiment, the display control unit 104 displays the guidance sign display format when the distance to the guidance point is equal to or less than the second predetermined distance, and the distance to the guidance point is the first predetermined distance. It is desirable to make the display format of the guidance sign different from the following. Changing the display format means, for example, changing the color or blinking method. In other words, the guidance sign when the distance is less than the first predetermined distance and the guidance sign when the distance is less than the second predetermined distance are different from each other in display format such as color and blinking. That's fine.

  Specific examples of the display format of the guidance sign when the distance is equal to or less than the second predetermined distance and the display format when the distance is equal to or less than the first predetermined distance are as follows. The display format is such that information indicating the details of the guidance point is added to the guidance sign for display, and the display format when the distance falls below the first predetermined distance is the information indicating the details of the guidance point. For example, it may be added to the sign and displayed, and the color of the guide sign may be changed. The information indicating the details of the guidance point includes, for example, information on an intersection name. In the case of an intersection where no intersection name exists, nothing may be displayed, or a display indicating that no intersection name exists at the intersection may be displayed.

  Further, in the present embodiment, the display control unit 104 displays all the guidance signs displayed on the guidance image in the direction indicated by the guidance sign (hereinafter referred to as the “most recent guidance sign”) arranged at the forefront. You may make it arrange | position. Specifically, when the latest guidance sign indicates a left turn, the display control unit 104 arranges the next guidance sign or a position where the next guidance sign is arranged on the left side on the guidance image. When the latest guide sign indicates straight travel, another guide sign is placed in the center of the guide image, and when the latest guide sign indicates a right turn, the other guide sign is placed on the guide image. Place on the right side of.

  In the present embodiment, the display control unit 104 may arrange each guidance sign displayed on the guidance image corresponding to the direction indicated by each guidance sign. In other words, this configuration does not place other guidance signs on the side indicated by the latest guidance sign, but displays the guidance signs on the direction indicated by each guidance sign. is there. For example, if the most recent guidance sign indicates a left turn and the next guidance sign indicates straight travel, the latest guidance sign is displayed on the left side of the guidance image and the next guidance sign is displayed in the center of the guidance image. Just do it.

  In the present embodiment, the display control unit 104 may display a plurality of guidance signs displayed on the guidance image as the distance from the current location becomes shorter. That is, in this configuration, a guide sign that is closer to the front and closer to the guide point is displayed larger.

  Further, in the present embodiment, the display control unit 104 may display a plurality of guidance signs displayed on the guidance image in a three-dimensional manner as the distance from the current location becomes shorter. Three-dimensional means to have a component in the height direction. For example, when the guidance sign is displayed as a cube, the stereoscopic effect is increased and displayed as the distance from the current point becomes shorter. As a specific example, the display control unit 104 may display a three-dimensional display by superimposing a guide sign, and increase the thickness of the guide sign as the distance from the current position becomes shorter. It is done. In this configuration, the guide signs arranged closer to the front side and closer to the front are displayed in three dimensions.

  Further, in the present embodiment, the display control unit 104 may display a plurality of guidance signs displayed on the guidance image with distance information from the current location corresponding to the guidance sign. .

  Further, in the present embodiment, the display control unit 104 may add and display information on arrival times corresponding to the guidance signs together with a plurality of guidance signs displayed on the guidance image. The arrival time is based on the specified speed or legal speed on the guidance route, the travel information of other vehicles such as probe information or VICS (registered trademark), or the traveling history of the host vehicle on the guidance route. It is calculated by using the speed.

  In the present embodiment, the acquisition unit 106 is an arbitrary component. The acquisition part 106 acquires the point information of the traffic light provided on the route to the destination. In this case, the display control unit 104 displays the number of traffic signals that pass when traveling between the respective guidance points using the traffic signal point information acquired by the acquisition unit 106 between the corresponding guidance signs. Perform control. Specifically, the number of traffic lights may be displayed by enumerating numbers, or may be displayed by the number corresponding to the number of traffic lights.

  In the present embodiment, the display control unit 104 may cause the latest guidance sign to appear in the direction indicated by the guidance sign as an animation image. The animation image is a still image that is moved and displayed little by little. Appearing by an animation image means that the latest guide sign is moved and displayed from the state where the latest guide sign is not displayed on the display screen. The appearance by the animation image may be performed only once, or may be performed a plurality of times until passing through the guidance point indicated by the latest guidance sign.

  In the present embodiment, it is desirable that the latest guidance sign is displayed as a touch panel. In this case, when the latest guide sign displayed as a touch panel is selected by the user, the display control unit 104 performs control to display the detailed map screen of the guide point indicated by the latest guide sign on the entire display screen. The detailed map screen is a screen on which, for example, an intersection name, a lane display, an enlarged intersection map, and the like are displayed.

  Moreover, in the structure mentioned above, it is desirable to display the detailed map screen displayed on the whole display screen as a touch panel. In this case, the display control unit 104 performs control to display a screen using a guide image when a detailed map screen displayed as a touch panel is selected by the user. That is, when the detailed map screen displayed as the touch panel is selected by the user, the original screen is restored.

  In the present embodiment, the mode setting unit 107 and the receiving unit 108 are arbitrary components. The mode setting unit 107 sets a guide image use mode that guides a route using a guide image and a normal mode that guides a route using only a map screen without using a guide image. The accepting unit 108 accepts selection of a mode set in the mode setting unit 107. The mode selection is accepted at the time of startup, for example. Further, the guidance image use mode is specifically a guidance mode for a motorcycle. When the guide image use mode is selected by the user, a route is guided using the guide image, and display based on the control of the display control unit 104 described above is performed.

(Navigation procedure of navigation device)
Next, a navigation processing procedure of the navigation device 100 will be described with reference to FIG. FIG. 2 is a flowchart showing an example of the navigation processing procedure of the navigation device 100 according to the present embodiment.

  In the flowchart of FIG. 2, the navigation device 100 is in a standby state until a destination is set and guidance is started (step S201: No loop). When guidance is started (step S201: Yes), the navigation device 100 is on the recommended route. A guidance point is extracted (step S202). Note that the route from which the guidance point is extracted in step S202 is not limited to the recommended route by the route search, and may be a route manually set by the user. In addition, the timing for extracting the guidance point may be performed after the route search as the previous stage of step S201.

  Then, the distance to the guidance point is calculated (step S203). Thereafter, it is determined whether or not the distance from the current location to the guidance location is equal to or less than a first predetermined distance (step S204). In step S204, the process proceeds to step S203 until the distance from the current point to the guidance point is equal to or less than the first predetermined distance (step S204: No).

In step S204, when it is determined that the distance from the current location to the guidance location is equal to or less than the first predetermined distance (step S204: Yes), the control for making the color of the guidance sign different from the color displayed so far Is performed (step S205), and a series of processing ends.

  As described above, according to the navigation device 100 according to the present embodiment, when the distance to the guidance point becomes equal to or less than the first predetermined distance, the color of the guidance sign at the guidance point is changed so far. Since it is controlled to be different from the displayed color, you can see at a glance how close you are to the next guidance point. Therefore, even when the user cannot frequently view the display screen, the information can be grasped instantaneously and the route according to the guidance route can be traced.

  In addition, a second predetermined distance that is farther than the first predetermined distance is set in the setting unit 101, and the display format of the guidance sign when the distance to the guidance point is equal to or less than the second predetermined distance is described so far. If it is made to differ from the display format currently displayed on, the user can grasp | ascertain that he is approaching the said guidance point in the step before approaching the 1st predetermined distance.

  In addition, a display format of the guidance sign when the distance to the guidance point is equal to or less than the second predetermined distance, and a display format of the guidance sign when the distance to the guidance point is equal to or less than the first predetermined distance By making these differ, the user can grasp that he is gradually approaching the guidance point, and more clearly know that the distance is equal to or less than the first predetermined distance.

  In addition, information indicating details of the guidance point is added and displayed when the distance is equal to or less than the second predetermined distance, and information indicating details of the guidance point is added when the distance is equal to or less than the first predetermined distance. If the color of the guidance sign is changed, the user can know the name of the intersection and the like, and can accurately grasp the guidance intersection.

  In addition, if all the guidance signs are arranged on the side of the direction indicated by the latest guidance sign, the guidance image itself can have directionality, and a screen that is easy for the user to grasp instantly can be obtained. Can be displayed.

  In addition, if each guidance sign displayed on the guidance image is arranged corresponding to the direction indicated by each guidance sign, it is possible to see at a glance which direction to proceed to the guidance point indicated by each guidance sign. It becomes easy to grasp.

  Further, if a plurality of guidance signs displayed on the guidance image are displayed larger as the distance from the current location becomes closer, the sense of distance to each guidance location can be made easier to understand.

  Further, if the plurality of guidance signs displayed on the guidance image are displayed in a three-dimensional manner as the distance from the current location becomes shorter, the sense of distance to each guidance location can be made easier to understand. In particular, if the display format is such that the guidance sign is superimposed and displayed three-dimensionally, and the distance from the current point is closer, the thickness of the guidance sign is increased and displayed, so that the stereoscopic effect can be expressed easily. It is possible to make the sense of distance to each guidance point easier to understand.

  In addition, by displaying a plurality of guide signs displayed on the guide image and adding distance information from the current location corresponding to the guide sign, the user can grasp the distance to the guide point. Can do.

  In addition, when a plurality of guide signs displayed on the guide image and information on arrival times corresponding to the guide signs are added and displayed, the user can obtain detailed information on the guide points. .

  Also, if the number of traffic lights that pass when traveling between each guidance point is displayed between the corresponding guidance signs, the user can grasp the distance to the guidance point by the number of traffic lights. it can.

  In addition, if the latest guidance sign is made to appear in the direction indicated by the guidance sign as an animation image, the direction indicated by the latest guidance sign can be presented by dynamic display, and the user can grasp the direction of the guidance point more. It becomes easy to do.

  In addition, the latest guidance sign is displayed as a touch panel, and when the latest guidance sign displayed as the touch panel is selected by the user, the detailed map screen of the guidance point indicated by the latest guidance sign is displayed on the entire display screen. For example, even when the user is wearing a motorcycle wearing gloves, the user can easily touch the latest guidance sign displayed in a wide area on the display screen and display the detailed map screen. Can see.

  In addition, if the detailed map screen displayed on the entire display screen is displayed as a touch panel, and the detailed map screen displayed as the touch panel is selected by the user, a screen using a guide image is displayed. Even when a user is wearing a glove and wearing a glove, the user can easily touch the detailed map screen displayed on the entire display screen and return to the screen on which the guidance image is displayed. it can.

  In addition, if a guidance image use mode for guiding a route using a guidance image and a normal mode for guiding a route using only a map screen without using a guidance image are set, for example, the user gets on a motorcycle. The mode can be set according to the purpose of use of the user and the like. In addition, when riding in a normal car or the like, it can be used as a normal mode.

  Examples of the present invention will be described below. In the following description, an example in which the navigation device of the present invention is implemented by a navigation device mounted on a motorcycle will be described.

(Hardware configuration of navigation device)
The hardware configuration of the navigation device 300 according to the present embodiment will be described with reference to FIG. FIG. 3 is a block diagram illustrating an example of a hardware configuration of the navigation device 300 according to the present embodiment.

  In FIG. 3, a navigation device 300 is mounted on a two-wheeled vehicle as a moving body. Specifically, for example, it is stored in a tank bag or the like provided on a fuel tank of a motorcycle, and the user can visually recognize the display screen through a transparent sheet on the surface of the tank bag. The arrangement position of the navigation device 300 is not limited to the tank bag, and a dedicated stay may be provided around the handle and the navigation device 300 may be directly attached to the stay.

  The navigation device 300 includes a CPU 301, a ROM 302, a RAM 303, a magnetic disk drive 304, a magnetic disk 305, an optical disk drive 306, an optical disk 307, an audio I / F (interface) 308, an earphone 309, and an input device. 310, a video I / F 311, a display 312, a communication I / F 313, a GPS unit 314, and various sensors 315. Each component 301 to 315 is connected by a bus 320.

  The CPU 301 governs overall control of the navigation device 300. A rewritable nonvolatile memory such as the ROM 302 or the flash ROM stores various programs such as a boot program, a current position calculation program, a route search program, a route guidance program, and a navigation program. The RAM 303 is used as a work area for the CPU 301.

  The current position calculation program, for example, calculates the current position of the vehicle (current position of the navigation device 300) based on output information from a GPS unit 314 and various sensors 315 described later.

  The route search program searches for an optimal route from the departure point to the destination point using map data or the like recorded on a magnetic disk 305 described later. Here, the optimum route is a shortest (or fastest) route to the destination point or a route that best matches a condition specified by the user. Further, not only the destination point but also a route to a stop point or a rest point may be searched. The searched guidance route is output to the audio I / F 308 and the video I / F 311 via the CPU 301.

  The route guidance program is based on guidance route information searched by executing the route search program, vehicle current location information calculated by executing the current position calculation program, and map data read from the magnetic disk 305. Real-time route guidance information is generated. The generated route guidance information is output to the audio I / F 308 and the video I / F 311 via the CPU 301.

  The navigation program uses the guidance image in which a plurality of guidance signs indicating the guidance direction for each guidance point are arranged in the closest order from the current location according to the set mode, and the recommended route to the destination is determined. It is a program to guide. Specifically, when the distance from the current location to the guidance location is within a second predetermined distance (for example, 700 m) set in advance in the RAM 303 or the like, the intersection name is added to the guidance sign at the guidance location, When the distance is within the first predetermined distance (for example, 300 m), the color of the guidance sign at the guidance point is made different from the color displayed so far (for example, changed from blue to red) and displayed. It is a program.

  The mode to be set is a normal mode in which a map screen is displayed on the entire display screen, and a motorcycle navigation mode using a guide image (corresponding to a guide image use mode). When the motorcycle navigation mode is set, the above-described navigation program is executed.

  The magnetic disk drive 304 controls the reading / writing of the data with respect to the magnetic disk 305 according to control of CPU301. The magnetic disk 305 records data written under the control of the magnetic disk drive 304. As the magnetic disk 305, for example, an HD (hard disk) or an FD (flexible disk) can be used.

  The optical disk drive 306 controls the reading / writing of the data with respect to the optical disk 307 according to control of CPU301. The optical disk 307 is a detachable recording medium from which data is read according to the control of the optical disk drive 306. As the optical disc 307, a writable recording medium can be used. In addition to the optical disk 307, the removable recording medium may be an MO, a memory card, or the like.

  The audio I / F 308 is connected to the earphone 309. The audio I / F 308 and the earphone 309 are connected by a connection cord, but may be connected by short-range wireless communication. Earphone 309 outputs sound. The input device 310 is a touch panel, but may be a remote controller including a plurality of keys for inputting characters, numerical values, various instructions, and operation buttons.

  The video I / F 311 is connected to the display 312. Specifically, the video I / F 311 includes, for example, a graphic controller that controls the entire display 312, a buffer memory such as a VRAM (Video RAM) that temporarily records image information that can be displayed immediately, and a graphic controller. Based on the output image data, the display 312 is configured by a control IC or the like.

  The display 312 displays icons, cursors, menus, windows, or various data such as characters and images. As this display 312, for example, a CRT, a TFT liquid crystal display, a plasma display, or the like can be adopted. The display 312 is installed near the dashboard of the vehicle, for example.

  The communication I / F 313 is connected to a network via wireless and functions as an interface between the navigation device 300 and the CPU 301. The communication I / F 313 is further connected to a communication network such as the Internet via wireless, and also functions as an interface between the communication network and the CPU 301.

  Communication networks include LANs, WANs, public line networks and mobile phone networks. Specifically, the communication I / F 313 includes, for example, an FM tuner, a VICS (Vehicle Information and Communication System) / beacon receiver, and the like, and acquires road information such as traffic congestion and traffic regulations distributed from the VICS center. VICS is a registered trademark.

  The communication I / F 313 is configured by an in-vehicle wireless device that performs two-way wireless communication with a wireless device installed on the roadside when, for example, DSRC (Dedicated Short Range Communication) is used. It is also possible to acquire various information such as information.

  The GPS unit 314 receives radio waves from GPS satellites and outputs information indicating the current position of the vehicle. The output information of the GPS unit 314 is used when the current position of the vehicle is calculated by the CPU 301 together with output values of various sensors 315 described later. The information indicating the current position is information for specifying one point on the map data, such as latitude / longitude and altitude.

  The various sensors 315 output information that can determine the position and behavior of the vehicle, such as a vehicle speed sensor, an acceleration sensor, and an angular velocity sensor. The output values of the various sensors 315 are used for the calculation of the current position of the vehicle by the CPU 301 and the measurement of the change in speed and direction. Note that the portable navigation device 300 may have a configuration in which the various sensors 315 are not provided.

  The navigation device 100 shown in FIG. 1 includes a setting unit 101, an extraction unit 102, a calculation unit 103, a display control unit 104, a display unit 105, an acquisition unit 106, a mode setting unit 107, and a reception unit. 108, the CPU 301 executes a predetermined program using programs and data recorded in the ROM 302, the nonvolatile memory, the RAM 303, the magnetic disk 305, the optical disk 307, etc. in the navigation apparatus 300 shown in FIG. The function is realized by controlling each unit in 300.

  That is, the navigation device 300 according to the present embodiment executes the navigation program recorded in the ROM 302 or the non-volatile memory as a recording medium in the navigation device 300, thereby providing the functions of the navigation device 100 shown in FIG. The navigation processing procedure shown in FIG. 2 can be executed.

(Example of navigation processing performed by the navigation device)
Next, an example of navigation processing performed by the navigation device 300 according to the present embodiment will be described with reference to FIG. FIG. 4 is a flowchart illustrating an example of a navigation process performed by the navigation device 300 according to the present embodiment.

  In FIG. 4, the navigation device 300 is in a standby state until it is activated (step S401: No loop), and when activated (step S401: Yes), a mode selection screen is displayed (step S402). The display of the mode selection screen is not limited to when starting up, and may be displayed by selecting an icon for mode setting, or by selecting a function setting change from the menu screen or the like. May be.

  Then, it is determined whether or not the motorcycle navigation mode is selected (step S403). If it is determined that the motorcycle navigation mode has been selected (step S403: Yes), the system shifts to the motorcycle navigation mode and enters a standby state until the destination is set by an input from the user (step S404: No loop).

  When the destination is set in step S404 (step S404: Yes), a recommended route to the destination is searched (step S405). Thereafter, a guidance point on the recommended route is extracted (step S406). Then, guidance of the recommended route is started (step S407). At this time, it is assumed that there is no guidance point within the range of 700 m set as the second predetermined distance from the current point. The details of the display screen in step S407 will be described later with reference to FIG. 5, but all the guidance signs are displayed in blue.

  After that, it is in a standby state until the distance from the current point to the guide point (hereinafter referred to as “nearest guide point”) indicated by the guide sign (hereinafter referred to as “nearest guide sign”) disposed in front is within 700 m. (Step S408: No loop). When the distance from the current point to the latest guidance point is within 700 m (step S408: Yes), it is determined whether there is an intersection name at the latest guidance point (step S409).

  When it is determined that there is an intersection name at the latest guidance point (step S409: Yes), the intersection name is added to the latest guidance sign (step S410). The details of the display screen in step S410 will be described later with reference to FIG. 6, but all the guidance signs remain in blue. And it will be in a standby state until the distance from the present location to the latest guidance location is within 300 m set as the first predetermined distance (step S411: No loop). On the other hand, when it is determined in step S409 that there is no intersection name at the latest guidance point (step S409: No), the process proceeds to step S411.

  In step S411, when the distance from the current location to the latest guidance location is within 300 m (step S411: Yes), the color of the latest guidance sign is changed to red (step S412). Details of the display screen in step S412 will be described later with reference to FIG. Then, it will be in a standby state until it passes the latest guidance point (step S413: No loop).

  When the latest guidance point is passed (step S413: Yes), it is determined whether there is a next guidance sign (step S414). When it is determined that there is a next guidance sign (step S414: Yes), the process proceeds to step S408. On the other hand, when it is determined that there is no next guidance sign (step S414: No), the series of processes is terminated. In step S403, when the motorcycle navigation mode is not selected (step S403: No), guidance in the normal mode is performed (step S415), and the series of processing ends.

  In step S407, when guidance for the recommended route is started, if there is a nearest guidance point within 700 m from the current location, the name of the intersection may be added to change the display of the guidance sign. Moreover, in step S412, although only the color of the latest guidance sign was changed into red, when the guidance point shown by the guidance sign displayed next is also located within 300 m, it is displayed next. The guidance sign is also displayed in red.

(Example of display screen during route guidance)
Next, an example of a display screen at the time of route guidance displayed on the display 312 will be described with reference to FIGS. FIG. 5 is an explanatory diagram illustrating an example of a display screen that is displayed when the latest guidance point is located 701 m or more from the current position.

  In FIG. 5, a display screen 500 displayed on the display 312 shows a guide image 510 and a map image (map screen) 520. In the guidance image 510, the latest guidance sign 511 indicating the latest guidance point, the next guidance sign (hereinafter referred to as “second guidance sign”) 512, and the next guidance sign (hereinafter referred to as “third guidance”). A sign ") 513, a menu button 514, and a current position display 515 are displayed.

  Each guidance sign 511-513 has shown the guidance direction in each guidance point. The colors of the guide signs 511 to 513 are displayed in blue and the distance from the current position is displayed. Moreover, the size of each of the guidance signs 511 to 513 corresponds to the distance, and specifically, the larger the distance from the current position is, the larger the display is.

  When the menu button 514 is selected by the user, the menu screen is displayed. The current position display 515 displays a place name corresponding to the current position 521 of the vehicle displayed on the map image 520. In such a display screen 500, when the latest guidance point is within 700 m from the current position 521, the display screen 600 shown in FIG.

  FIG. 6 is an explanatory diagram showing an example of a display screen displayed when the latest guidance point is located within 700 m from the current position 521. In the display screen 600 shown in FIG. 6, the latest guidance sign 601 indicates that the current position 521 is at a distance of 500 m. An intersection name 602 is displayed on the latest guidance sign 601, and the display format is different from the second guidance sign 512 and the third guidance sign 513.

  Note that each of the guide signs 601, 512 and 513 is displayed in blue. The latest guidance sign 601 may be displayed and changed to yellow, for example. Further, when the guidance point indicated by the second guidance sign 512 is located within 700 m from the current position 521, the intersection name 602 may be displayed for the second guidance sign 512 as well. In such a display screen 600, when the latest guidance point is within 300 m from the current position 521, the display screen 700 shown in FIG.

  FIG. 7 is an explanatory diagram illustrating an example of a display screen displayed when the latest guidance point is located within 300 m from the current position 521. In FIG. 7, the latest guidance sign 701 indicates that the current position 521 is 200 m away. The latest guidance sign 701 is displayed in red and is changed from the previous blue. That is, the colors displayed so far are different. Further, the display format is different due to the color difference from the latest guidance sign 601 shown in FIG.

  On the display screen 700, if the second guidance sign 512 is also located within 300 m from the current position 521, the second guidance sign 512 is also displayed in red. Further, the latest guidance sign 511 shown in FIG. 5, the latest guidance sign 601 shown in FIG. 6, and the latest guidance sign 701 shown in FIG. 7 are displayed on the touch panel, and these latest guidance signs 511, 601 and 701 are displayed. When is touched, the detailed map screen 800 shown in FIG. 8 is displayed.

  FIG. 8 is an explanatory diagram showing an example of a detailed map screen displayed when the latest guidance sign is selected. In FIG. 8, the detailed map screen 800 displayed on the display 312 displays an intersection name 801 and lane information 802 on the map. In the lane information 802, for example, information indicating the traveling direction of each lane in the case of one side multiple lanes is displayed. In the detailed map screen 800, the entire area is displayed on the touch panel. When the detailed map screen 800 is touched, it returns to the original screen, that is, shifts to the display screen 500 shown in FIG. 5, the display screen 600 shown in FIG. 6, or the display screen 700 shown in FIG.

  According to the navigation device 300 described above, when the distance to the guidance point is equal to or less than the first predetermined distance (300 m), the color of the guidance sign at the guidance point is the color (blue) displayed so far. ) Is displayed in a different color (red), so you can see at a glance how close you are to the next guidance point. Therefore, even when the user cannot frequently view the display screen, the information can be grasped instantaneously and the route according to the guidance route can be traced.

  Also, a second predetermined distance (700 m) is set, and information on the name of the intersection is added to the guidance sign when the distance to the guidance point is 700 m or less, which is different from the display format displayed so far. Therefore, the user can grasp that the user is approaching the guidance point at a stage before approaching the first predetermined distance.

  In addition, the color of the guidance sign when the distance to the guidance point is 700 m or less is different from the color of the guidance sign when the distance to the guidance point is 300 m or less. Can grasp that it is gradually approaching the guidance point, and more clearly understand that the guidance point is immediately in front of you.

  Further, when the distance to the guide point becomes 700 m or less, information indicating the details of the guide point such as an intersection name is added and displayed, and when the distance to the guide point is 300 m or less, information of the intersection name is added and displayed. In addition, since the color of the guidance sign is changed to red, the user can know the name of the intersection and the like, and can accurately grasp the guidance intersection.

  In addition, since the plurality of guidance signs displayed on the guidance image are displayed larger as the distance from the current location becomes shorter, the sense of distance to each guidance location can be made easier to understand.

  In addition, since a plurality of guidance signs displayed on the guidance image are added and displayed with distance information from the current location corresponding to the guidance sign, the user grasps the distance to each guidance point. be able to.

  Also, the latest guidance sign is displayed as a touch panel, and when the latest guidance sign displayed as a touch panel is selected by the user, the detailed map screen of the guidance point indicated by the latest guidance sign is displayed over the entire display screen. Therefore, even when the user is wearing gloves, the user can easily touch the latest guidance sign displayed in a wide area on the display screen and can view the detailed map screen.

  In addition, the detailed map screen displayed on the entire display screen is displayed as a touch panel, and when the detailed map screen displayed as the touch panel is selected by the user, the screen using the guidance image is displayed. Even when the user is wearing gloves, the user can easily touch the detailed map screen displayed on the entire display screen and can return to the screen on which the guidance image is displayed.

  In addition, since the motorcycle navigation mode that guides the route using the guidance image and the normal mode that guides the route using only the map screen without using the guidance image are set, for example, when riding a motorcycle The mode can be set in accordance with the case of using for. In addition, when riding in a normal car or the like, it can be used as a normal mode.

  In the present embodiment, the display format is not limited to the above-described guide image or guide sign display format, and other display formats may be used. Hereinafter, display formats different from those described above will be sequentially described.

(An example of information added to the guide image)
Next, an example of information added to the guidance image at the time of route guidance will be described with reference to FIGS. 9 and 10. FIG. 9 is an explanatory diagram illustrating an example of a guide image to which time is added. In FIG. 9, the guide image 900 displays the latest guide sign 901, the second guide sign 902, and the third guide sign 903.

  In each of the guide signs 901 to 903, a scheduled time 904 for arrival at each of the guide signs 901 to 903 is displayed. A distance from the current location may be displayed together with the scheduled time 904. According to such a guide image 900, the user can obtain detailed information of the guide point.

  FIG. 10 is an explanatory diagram illustrating an example of a guidance image to which the number of traffic lights between the guidance signs is added. In FIG. 10, a traffic light mark 1001 is displayed on the guide image 1000. This mark 1001 represents the number of traffic lights present between the respective guidance signs. The number of traffic lights is not limited to the mark 1001 and may be a number. That is, a display such as “the number of traffic lights 2” before the latest guidance sign 901 and “the number of traffic lights 1” may be performed between the second guidance sign 902 and the third guidance sign 903.

  According to such a guide image 1000, the user can grasp the distance to the guide point from the number of traffic lights. Note that the size of the traffic signal displayed as the mark 1001 may also correspond to the distance, that is, the closer to the current position, the larger the signal may be displayed.

(An example of the arrangement of the guidance image)
Next, an example of the arrangement of the guidance image at the time of route guidance will be described with reference to FIGS. FIG. 11 and FIG. 12 are explanatory diagrams illustrating an example of a guidance image when another guidance sign is arranged on the side in the direction indicated by the latest guidance sign. In FIG. 11, the latest guidance sign 1101 displayed on the guidance image 1100 indicates the left turn direction. The second guide sign 1102 and the third guide sign 1103 are arranged on the left side corresponding to the direction indicated by the latest guide sign 1101. When the vehicle passes the latest guidance point indicated by the latest guidance sign 1101, the content of the guidance point indicated by the second guidance sign 1102 (an arrow in the straight direction) is displayed on the latest guidance sign 1101 and corresponds to the straight direction. Thus, the second guide sign 1102 and the third guide sign 1103 are displayed at the center position.

  In FIG. 12, the latest guidance sign 1201 displayed on the guidance image 1200 indicates the right turn direction. The second guide sign 1102 and the third guide sign 1103 are arranged on the right side corresponding to the direction indicated by the latest guide sign 1201. According to such guidance images 1100 and 1200, the guidance images 1100 and 1200 themselves can be provided with directionality, and the user can instantly grasp the direction of the nearest guidance point for the user. A screen that is easy to do can be displayed.

  FIG. 13 and FIG. 14 are explanatory diagrams illustrating an example of a guidance image when each guidance sign is arranged corresponding to the direction indicated by each guidance sign. In FIG. 13, a guidance image 1300 displays a latest guidance sign 1301, a second guidance sign 1302, a third guidance sign 1303, and a region dividing line 1310. The latest guidance sign 1301 and the third guidance sign 1303 indicate the left turn direction, and are arranged on the left side corresponding to this. The second guidance sign 1302 indicates the straight direction, and is arranged in the center corresponding to this. The region dividing line 1310 is a line for clarifying the arrangement positions on the right side, the left side, and the center. The region dividing line 1310 may be displayed arbitrarily and may not be displayed.

  In FIG. 14, the latest guidance sign 1401 displayed on the guidance image 1400 indicates the right turn direction and is arranged on the right side corresponding to this. The second guidance sign 1402 indicates the straight direction, and is arranged at the center corresponding to this. Furthermore, the 3rd guidance sign 1403 has shown the left turn direction, and is arrange | positioned corresponding to this. According to such guide images 1300 and 1400, it is easy to grasp at a glance which direction the vehicle travels to the guide point indicated by each guide sign.

  FIG. 15 and FIG. 16 are explanatory diagrams showing examples of guidance images when all displayed guidance signs are regarded as routes. In FIG. 15, the guidance image 1500 displays a latest guidance sign 1501 indicating a left turn direction, a second guidance sign 1502 indicating a straight traveling direction, a third guidance sign 1503 indicating a left turn direction, and an auxiliary line 1504. . The latest guidance sign 1501 is arranged on the right side. The second guide sign 1502 is arranged at a position starting from the tip of the arrow indicated by the latest guide sign 1501.

  Further, the third guide sign 1503 is disposed at a position starting from the tip of the arrow indicated by the second guide sign. Auxiliary line 1504 is a guide for a route when passing through each of guide signs 1501 to 1503. Note that the auxiliary line 1504 may be arbitrarily displayed and may not be displayed.

  In FIG. 16, the latest guidance sign 1601 displayed on the guidance image 1600 indicates the right turn direction. The second guidance sign 1602 indicates the straight direction. The third guidance sign 1603 indicates the left turn direction. As for these guide signs 1601 to 1603, the following signs are arranged at positions starting from the tips of the arrows as in the case of guide signs 1501 to 1503 shown in FIG. According to such guide images 1500 and 1600, the user can imagine the previous route.

(An example of the arrangement of the guidance image)
Next, an example of a guide image when the latest guide sign appears as an animation image will be described with reference to FIGS. FIG. 17 and FIG. 18 are explanatory diagrams illustrating an example of a guide image when the latest guide sign indicating the straight direction is displayed as an animation image. In FIG. 17, the guide image 1700 displays the latest guide sign 1701, the second guide sign 1702, and the third guide sign 1703 that are displayed only in half.

  The guide image 1700 shows a state in the middle of gradually moving the latest guide sign 1701 upward from the state in which the latest guide sign 1701 is not displayed. When the latest guidance sign 1701 moves further upward from this state, the screen shifts to a display screen 1800 shown in FIG. A display screen 1800 shown in FIG. 18 shows a state in which the latest guidance sign 1801 has moved to a fixed position.

  FIG. 19 and FIG. 20 are explanatory diagrams illustrating an example of a guide image when the latest guide sign indicating the left turn direction appears as an animation image. In FIG. 19, the guide image 1900 displays a latest guide sign 1901, a second guide sign 1902, and a third guide sign 1903 that are displayed only in half. A guide image 1900 shows a state in the middle of moving the latest guide sign 1901 gradually to the left from a state in which the latest guide sign 1901 is not displayed. When the latest guidance sign 1901 moves further to the left from this state, the screen shifts to a display screen 2000 shown in FIG.

  The display screen 2000 shown in FIG. 20 shows a state where the latest guidance sign 2001 has moved to a fixed position. Such display screens 1700 to 2000 are displayed when the second guidance sign 1702 (1902) moves to the latest guidance sign 1701 (1901) after passing through the latest guidance point. Such an appearance by an animation image is not limited to one time but may be performed continuously. In addition, for example, an animation image appears once after moving to the latest guidance sign 1701 and then continuously from when the distance to the latest guidance point is within 300 m until passing through the latest guidance point. It may be done manually.

(Example of display of guidance image when guidance sign is displayed in three dimensions)
Next, an example of display of a guidance image when a guidance sign is displayed in three dimensions will be described with reference to FIG. FIG. 21 is an explanatory diagram showing an example of the display of the guide image when the guide sign is displayed three-dimensionally. In FIG. 21, the latest guidance sign 2101, the second guidance sign 2102, and the third guidance sign 2103 are displayed in the guidance image 2100. Each guidance sign 2101 to 2103 displays a distance 2104 from the current point.

  The guide signs 2101 to 2103 are displayed more three-dimensionally as the distance 2104 is closer. In other words, the guide signs 2101 to 2103 are displayed in a three-dimensional manner by adopting a display format in which the signs are superimposed, and the thickness of the guide signs 2101 to 2103 is increased as the distance from the current point becomes closer. . In addition, the guide signs 2101 to 2103 have a larger plane area in addition to the thickness as the distance 2104 is shorter, but the plane area of each of the guide signs 2101 to 2103 is constant, and only the thickness varies. It is also possible to make it.

  Even in such a display format, the appearance of the latest guide sign 2101 based on the animation image described above, and the second guide sign 2102 and the third guide sign 2103 can be arranged on the side indicated by the latest guide sign 2101. is there. According to such a guide image 2100, it is possible to display an image in which a sense of distance to each guide point is easily understood.

(An example of a guide sign showing another shape)
Next, an example of a guide sign showing another shape will be described with reference to FIGS. 22 and 23. FIG. 22 and FIG. 23 are explanatory diagrams showing examples of guidance signs showing other shapes. In the guide image 2200 shown in FIG. 22, guide signs 2201 to 2203 having a shape different from that of the guide sign described above are displayed. Such guidance signs 2201 to 2203 also display the distance from the current location, and when the distance to the guidance location is 700 m or less, information indicating details such as the intersection name is displayed. . Further, when the distance to the guidance point is 300 m or less, the displayed color is changed.

  In addition, in the guidance image 2300 illustrated in FIG. 23, guidance signs 2301 to 2303 having a shape different from that of the guidance sign described above are displayed. Such guidance signs 2301 to 2303 also display the distance from the current location, and when the distance to the guidance location is 700 m or less, information indicating details such as the intersection name is displayed. . Further, when the distance to the guidance point is 300 m or less, the displayed color is changed. Even if such guide images 2200 and 2300 are used, the same effects as those of the guide images shown up to FIG. 21 can be obtained.

  As described above, according to the navigation device, the navigation method, the navigation program, and the recording medium of the present invention, it is possible to understand at a glance how close the vehicle is to the next guidance point. Therefore, even when the user cannot frequently view the display screen, the information can be grasped instantaneously and the route according to the guidance route can be traced.

  The navigation method described in this embodiment can be realized by executing a program prepared in advance on a computer such as a personal computer or a workstation. This program is recorded on a computer-readable recording medium such as a hard disk, a flexible disk, a CD-ROM, an MO, and a DVD, and is executed by being read from the recording medium by the computer. The program may be a transmission medium that can be distributed via a network such as the Internet.

DESCRIPTION OF SYMBOLS 100 Navigation apparatus 101 Setting part 102 Extraction part 103 Calculation part 104 Display control part 105 Display part 106 Acquisition part 107 Mode setting part 108 Reception part 300 Navigation apparatus

Claims (5)

  1. A navigation device that displays guidance information for each predetermined guidance point and guides a route to a destination,
    Extraction means for extracting a predetermined guidance point on the route;
    Calculating means for calculating a distance from the current point to the predetermined guidance point;
    When the distance to the predetermined guidance point calculated by the calculation means is equal to or less than a predetermined distance, the display control for making the guidance information display form at the guidance point different from the display form displayed so far Means,
    A navigation device comprising:
  2.   The display control means changes the color of the display format of the guidance information when the distance to the guidance point calculated by the calculation means is equal to or less than the predetermined distance from the color displayed so far. The navigation device according to claim 1.
  3. A navigation method that displays guidance information for each predetermined guidance point and guides a route to a destination,
    An extraction step of extracting a predetermined guidance point on the route;
    A calculation step of calculating a distance from the current location to the predetermined guidance location;
    When the distance to the predetermined guidance point calculated by the calculation step is equal to or less than a predetermined distance, display control for changing the display form of the guidance information at the guidance point from the display form displayed so far Process,
    A navigation method comprising:
  4.   A navigation program for causing a computer to execute the navigation method according to claim 3.
  5.   5. A computer-readable recording medium in which the navigation program according to claim 4 is recorded.
JP2011269450A 2011-12-08 2011-12-08 Navigation device, navigation method, navigation program and recording medium Pending JP2012083358A (en)

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JPH0962994A (en) * 1995-08-25 1997-03-07 Aisin Aw Co Ltd Navigation device for vehicle
JPH11281385A (en) * 1998-03-26 1999-10-15 Sanyo Electric Co Ltd Navigation device
JP2000283781A (en) * 1999-03-31 2000-10-13 Matsushita Electric Ind Co Ltd Car navigation system and guide/display method therefor
JP2004340825A (en) * 2003-05-16 2004-12-02 Xanavi Informatics Corp Navigation system

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JPH0962994A (en) * 1995-08-25 1997-03-07 Aisin Aw Co Ltd Navigation device for vehicle
JPH11281385A (en) * 1998-03-26 1999-10-15 Sanyo Electric Co Ltd Navigation device
JP2000283781A (en) * 1999-03-31 2000-10-13 Matsushita Electric Ind Co Ltd Car navigation system and guide/display method therefor
JP2004340825A (en) * 2003-05-16 2004-12-02 Xanavi Informatics Corp Navigation system

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WO2015141308A1 (en) * 2014-03-18 2015-09-24 日産自動車株式会社 Vehicle operation device
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