JP2010286456A - Navigation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve usability at the time of setting a destination by an operator by allowing displaying of timed point information that has expiration date to properly reflect intention of the operator. <P>SOLUTION: A navigation system 10 is equipped with: a communication device 13 for receiving information from outside; a current position calculation part 21 for detecting current position; a point information acquiring part 22 which acquires timed point information having a set expiration date according to an operator's request, based on the information received by the communication device 13; and a display control part 23 which keeps on displaying a predetermined display image relating to the point information on a map image up to the expiration date according to the point information and the current position. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a navigation device.

Conventionally, when road information (for example, road construction information, traffic regulation information, etc.) received from the outside by communication is information on the surrounding area of the position of the own vehicle, the road information already stored and the received road information Is known, a navigation device is known that corrects the stored road information and deletes the road information when the expiration date of the stored road information has passed (for example, , See Patent Document 1).
Conventionally, for example, when a vehicle arrives around a facility requested in advance on a traveling route, information on the facility having an expiration date (for example, advertisement information, event information, etc.) is acquired from the outside and acquired. A navigation device that displays information on a display screen and stores the information until an expiration date is known (see, for example, Patent Document 2).

Japanese Patent No. 3368889 JP 2003-207353 A

By the way, in the navigation device according to the above prior art, only road information in the surrounding area of the position of the host vehicle is received, and even road information that is not required by the vehicle occupant is automatically received. There arises a problem that the communication cost increases and the storage capacity required for storing road information increases.
Further, in the navigation device according to the above prior art, the facility information on the route on which the vehicle is traveling is only displayed around the facility, and the facility information cannot be displayed at a position away from the facility periphery. The problem arises. In addition, information cannot be displayed for a facility located away from the traveling route, and there is a problem that it is difficult to grasp the location of the facility.

  The present invention has been made in view of the above circumstances, and accurately reflects the operator's intention in the display of time-related spot information having an expiration date, thereby improving the convenience when the operator sets a destination. It is an object of the present invention to provide a navigation device that can be used.

  In order to solve the above problems and achieve the object, the navigation device according to the first aspect of the present invention is a navigation device that performs a navigation operation including display of a map image on a display screen and route guidance, Receiving means for receiving information from the outside (for example, the communication device 13 in the embodiment), current position detecting means for detecting the current position (for example, the current position calculating unit 21 in the embodiment), and the receiving means On the basis of the information received by the point information acquisition means (for example, the point information acquisition unit 22 in the embodiment) for acquiring the point information of the time period in which the expiration date is set in response to the operator's request; Display control means for displaying a predetermined display image related to the point information on the map image continuously until the expiration date according to the point information and the current position (for example, implementation Comprising a display control unit 23) and in the form.

  Furthermore, in the navigation device according to the second aspect of the present invention, display means for displaying a map image and an instruction image that can move on the map image (for example, the display control unit 23 and the monitor 18 in the embodiment) Based on the position on the map image specified by the position specifying means (for example, the display control unit 23 in the embodiment also serves as the position specifying means on the map image). Destination setting means for setting a destination (for example, the destination setting unit 24 in the embodiment), and the destination setting means, when the display image is designated by the instruction image, the predetermined image Set the destination according to.

  Furthermore, in the navigation device according to the third aspect of the present invention, the expiration date can be set and changed by an operator.

  Furthermore, in the navigation device according to the fourth aspect of the present invention, the display control means is configured to switch the display on the display screen when the expiration date has passed while the display image is being displayed. The display of the display image is continued.

  According to the navigation device of the first aspect of the present invention, time-related spot information (for example, event information) with an expiration date set is acquired in response to an operator's request, and a predetermined point related to this spot information is obtained. Display images (for example, icons) are continuously displayed on the map image until the expiration date. Thereby, only the point information which an operator needs can be acquired, and it can prevent that unnecessary point information is acquired or memorize | stored. In addition, since the display of the display image related to the point information is continued until the expiration date, the operator can search the position of the point information on the map image at an appropriate timing within the expiration date.

  Furthermore, according to the navigation device of the second aspect of the present invention, the position related to the point information can be easily set as the destination only by designating a predetermined display image by the instruction image within the expiration date. For example, even when the position related to the point information does not exist in the existing POI (Point Of Interest) data or the like, the destination according to the request of the operator can be set accurately.

  Furthermore, according to the navigation device of the third aspect of the present invention, the operator's intention can be accurately reflected in the period in which the display of the predetermined display image is continued. Thereby, for example, an expiration date requested by the operator for the acquired point information can be set, or for example, an expiration date set in advance for the point information can be shortened or extended according to the operator's request. .

  Furthermore, according to the navigation device of the fourth aspect of the present invention, only the display image disappears suddenly, for example, at an unexpected timing by the operator when a predetermined display image is displayed on the map image. It is possible to prevent the operator from feeling uncomfortable when displaying the display image.

It is a lineblock diagram of a navigation device concerning one embodiment of the present invention. It is a flowchart which shows operation | movement of the navigation apparatus which concerns on one Embodiment of this invention. It is a flowchart which shows operation | movement of the navigation apparatus which concerns on one Embodiment of this invention. It is a figure which shows the example of a display of the display screen of the monitor of the navigation apparatus which concerns on one Embodiment of this invention.

Hereinafter, an embodiment of a navigation device of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, for example, the navigation device 10 according to the present embodiment can communicate with an external information server 1, for example, a positioning signal receiver 11, a vehicle state sensor 12, a communication device 13, and an input device. 14, a map data storage device 15, a processing device 16, a speaker 17, and a monitor 18.

  The positioning signal receiver 11 corrects an error of a GPS (Global Positioning System) signal for measuring the position of the vehicle using an artificial satellite, for example, or an appropriate base station, for example, to correct the positioning accuracy. A positioning signal such as a D (Differential) GPS signal for improving the frequency is received.

  The vehicle state sensor 12 detects, for example, a vehicle speed sensor that detects the speed (vehicle speed) of the host vehicle, a gyro sensor that detects the posture and traveling direction of the vehicle body, and a yaw rate (rotational angular velocity about the vertical axis of the center of gravity of the vehicle). And a yaw rate sensor that outputs detection signals of various types of vehicle information of the host vehicle.

The communication device 13 transmits / receives various information to / from the information server 1 outside the vehicle, for example.
For example, the information transmitted from the information server 1 to the communication device 13 includes point information and road traffic information.
This point information is, for example, time-related information (for example, temporary event information) that can be selected according to the operator's preference, and the position information (for example, coordinates). Display flag indicating the presence or absence of display, information on a predetermined display image (display image information) displayed on the map of the display screen of the monitor 18, and an expiration date.

The map data storage device 15 stores, for example, map data for displaying a map image on the display screen of the monitor 18 and road data including information such as road connection state and shape.
The map data includes, for example, topographic map data, polygon data corresponding to various facilities and blocks, lakes, and the like, character data such as facility names and place names associated with the polygons, and various symbols, for example. On the map image on the display screen of the monitor 18 in accordance with a predetermined display image (for example, an icon or the like) related to the point information received from the information server 1 and the input operation of the operator on the input device 14 It is configured with possible predetermined instruction images (for example, a mouse pointer).
The road data includes, for example, nodes (that is, coordinate points for grasping the road shape), links that are lines connecting the nodes, distances of the links, road types, widths, intersection angles, shapes, and the like. It is configured with.
Further, the map data storage device 15 is, for example, POI (Point Of Interest) data, for example, facility names of various facilities and facility positions associated with the facility names (for example, coordinates of parking lots provided in the facilities, Or, the coordinates of the entrance of the facility, etc.) and data such as the telephone number associated with each facility name are stored.

The processing device 16 performs, for example, map matching on road data acquired from the map data storage device 15 based on the current position of the vehicle, and performs route search or route guidance for a destination set by the operator. It controls the execution of the operation and the operations of the speaker 17 and the monitor 18.
The processing device 16 includes, for example, a current position calculation unit 21, a spot information acquisition unit 22, a display control unit 23, and a destination setting unit 24.

  The current position calculation unit 21 determines the current position of the vehicle based on the positioning signal received by the positioning signal receiver 11 or the calculation process of the autonomous navigation based on the detection signal such as the vehicle speed or the yaw rate detected by the vehicle state sensor 12. Is calculated.

  The point information acquisition unit 22 is requested by the operator from the information server 1 via the communication device 13 in response to a point information acquisition request by the operator generated by a predetermined input operation of the operator with respect to the input device 14. Acquired point information. And it is determined whether the flag value of the display flag with which the acquired point information is provided is "1" which shows permitting the continuous display of the predetermined display image on a map image. Further, it is determined whether or not the acquired location information has an expiration date. If no expiration date is provided, a predetermined expiration date (for example, 60 minutes) or an expiration date designated by the operator is determined. Is set as the expiration date of this point information. On the other hand, when the acquired location information has an expiration date, the expiration date is changed if there is a change request by the operator, and the expiration date is maintained unchanged if there is no change request by the operator.

The display control unit 23 sets the flag value of the display flag of this point information to “1” according to the current position of the vehicle calculated by the current position calculation unit 21 and the point information acquired by the point information acquisition unit 22. If so, a predetermined display image related to this point information is acquired from, for example, the map data storage device 15 or the like. Then, the display image on the map image is continuously displayed over the period until the expiration date of the point information, and the coordinates corresponding to the position information of the point information in the point search at the time of executing the navigation operation etc. Can be searched.
If the expiration date has passed while the display image is displayed on the map image, the display control unit 23 switches the display on the display screen (for example, displays the map image on the display screen). Until the display is temporarily stopped and the display is switched to another display such as a menu display).
Further, the display control unit 23 displays a predetermined instruction image that can be moved on the map image on the display screen of the monitor 18 in accordance with a predetermined input operation of the operator with respect to the input device 14, for example, the map data storage device 15 or the like. And display it on the map image.

  The destination setting unit 24, for example, in accordance with a predetermined input operation of the operator to the input device 14 or the like, a position of a predetermined instruction image that can be moved on the map image on the display screen of the monitor 18 (that is, on the map image). Coordinates according to (position) are set as the destination. For example, when the display image displayed on the map image is designated by the instruction image, coordinates corresponding to the position information of the point information corresponding to this display image are set as the destination.

  The navigation device 10 according to this embodiment has the above-described configuration. Next, the operation of the navigation device 10, particularly the display of the display image of the point information on the map image of the display screen of the monitor 18 will be described.

First, for example, in step S01 shown in FIG. 2, for example, a predetermined input operation by the operator to the input device 14 (for example, menu selection in the menu display on the display screen of the monitor 18 shown in FIG. 3A) is performed. In response to the communication start instruction, the communication device 13 starts communication with the information server 1 outside the vehicle. Thereby, for example, information such as a list of time-related spot information that can be acquired from the information server 1 is acquired, and such information is output by the monitor 18 as shown in, for example, FIGS. Output from the speaker 17.
Next, in step S02, in response to an operator's acquisition request based on the operator's predetermined input operation on the input device 14 (for example, pressing a spot search button shown in FIG. Information (for example, point information such as “XX river fireworks”, “XX fireworks”, “○ city fireworks” shown in FIG. 3D) is acquired from the information server 1.

Next, in step S03, it is determined whether or not continuous display of these point information on the map image on the display screen of the monitor 18 is permitted.
If this determination is “NO”, the flow proceeds to the end.
On the other hand, if this determination is “YES”, the flow proceeds to step S 04.
Next, in step S04, whether or not the flag value of the display flag provided in the acquired point information is “1” indicating that continuous display of the predetermined display image on the map image is permitted. Determine whether.
If this determination is “NO”, the flow proceeds to the end.
On the other hand, if this determination is “YES”, the flow proceeds to step S 05.

Next, in step S05, it is determined whether the acquired spot information has an expiration date.
If this determination is “NO”, the flow proceeds to step S 06, where a predetermined expiration date (eg, 60 minutes) is set, and the flow proceeds to step S 10 described later.
On the other hand, if this determination is “YES”, the flow proceeds to step S07.
Next, in step S07, it is determined whether there is a change request by the operator for the expiration date of the acquired point information.
If the determination result is “YES”, the process proceeds to step S08, and in this step S08, the expiration date is changed in accordance with the change request from the operator, and the process proceeds to step S10 described later.
On the other hand, if this determination is “NO”, the flow proceeds to step S 09, and in this step S 09, the expiration date is maintained unchanged, and the flow proceeds to step S 10.
In step S10, for example, as shown in FIG. 3E, a predetermined display image related to the acquired spot information is displayed on the map image of the display screen of the monitor 18, and the process proceeds to the end.
Here, in this embodiment, a plurality of pieces of point information are acquired and a plurality of predetermined display images (for example, icons) are displayed. For example, this corresponds to one piece of point information selected in FIG. If only the predetermined display image is displayed, the operator's intention can be more reflected.

Further, as processing after the point information is acquired from the outside, for example, in step S21 shown in FIG. 4, it is determined whether or not the expiration date of the acquired point information has been reached.
If this determination is “NO”, the flow proceeds to the end.
On the other hand, if this determination is “YES”, the flow proceeds to step S22.
Next, in step S <b> 22, it is determined whether or not a predetermined display image related to the spot information is being displayed on the map image on the display screen of the monitor 18.
If the determination result is “YES”, the determination in step S22 is repeated.
On the other hand, if this determination is “NO”, the flow proceeds to step S23.
In step S23, display of a predetermined display image is prohibited (deleted), and the process proceeds to the end.

  As described above, according to the navigation device 10 according to the present embodiment, time-related spot information (for example, event information) with an expiration date set is acquired in response to an operator's request, and the spot information is stored in the spot information. The predetermined display image (for example, an icon or the like) is continuously displayed on the map image until the expiration date. Thereby, only the point information which an operator needs can be acquired, and it can prevent that unnecessary point information is acquired or memorize | stored. In addition, since the display of the display image related to the point information is continued until the expiration date, the operator can search the position of the point information on the map image at an appropriate timing within the expiration date.

  Furthermore, if it is within the expiration date, it is possible to easily set the position (coordinates) related to the point information as the destination simply by specifying the display image of the place with the instruction image. Even if it does not exist in the POI (Point Of Interest) data, the destination according to the operator's request can be set accurately.

  Furthermore, it is possible to accurately reflect the operator's intention during the period in which the display of the predetermined display image is continued. Thereby, for example, an expiration date requested by the operator for the acquired point information can be set, or for example, an expiration date set in advance for the point information can be shortened or extended according to the operator's request. .

  Furthermore, when a predetermined display image is displayed on the map image, only the display image is prevented from disappearing suddenly, for example, at a timing unexpected by the operator, and the operator can display the display image. It is possible to prevent the user from feeling uncomfortable.

10 navigation device 13 communication device (reception means)
18 Monitor (display means)
21 Current position calculation unit (current position detection means)
22 point information acquisition part (point information acquisition means)
23 Display control unit (display control means, display means, position designation means)
24 Destination setting part (Destination setting means)

Claims (4)

A navigation device for performing a navigation operation including display of a map image on a display screen and route guidance,
Receiving means for receiving information from outside;
Current position detecting means for detecting the current position;
On the basis of the information received by the receiving means, point information acquisition means for acquiring time-related spot information with an expiration date set in response to an operator's request;
A navigation device comprising display control means for continuously displaying a predetermined display image relating to the point information on the map image according to the point information and the current position until the expiration date. Display means for displaying a map image and an instruction image movable on the map image;
Position specifying means for specifying a position on the map image by the instruction image;
Destination setting means for setting a destination based on the position on the map image designated by the position designation means,
The navigation apparatus according to claim 1, wherein the destination setting unit sets a destination according to the predetermined image when the display image is designated by the instruction image. The navigation apparatus according to claim 1, wherein the expiration date can be set and changed by an operator. The display control means continues displaying the display image until the display on the display screen is switched when the expiration date has passed while the display image is being displayed. The navigation device according to any one of claims 1 to 3.

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