JP2010085200A - Navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To display only a facility image of a facility desired by a user on a display means. <P>SOLUTION: This device is equipped with a present position detection means for detecting a present position; a storage means for storing facility information including at least a facility kind, a plurality of brands belonging to the facility kind, and a facility image and a facility position of each brand, and map information; and a control means for displaying the facility image on the display means based on the facility position superimposedly on the map information stored in the storage means. The control means displays on the display means, the facility image in each brand which is the nearest from the present position detected by the present position detection means, superimposedly on the map information. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a navigation apparatus that displays a facility image indicating a facility on a display means.

  Conventionally, a navigation apparatus that displays a facility image indicating a facility on a display means is known. Such a navigation device is intended to allow a user to recognize the presence or position of a facility by overlaying and displaying the facility image at a position on the map corresponding to the location of the facility that actually exists. It is.

  For example, the following Patent Document 1 (Japanese Patent Laid-Open No. 2006-275663) discloses a vehicle navigation device that detects a vehicle state and displays all facility images corresponding to the detected vehicle state on a display unit. Yes.

This patent document 1 detects a vehicle state and determines a facility image to be displayed on a display unit based on the detected vehicle state. The vehicle state is, for example, a state in which the remaining amount of gasoline is a predetermined amount or less. . That is, the remaining amount of gasoline is detected, and when it is detected that the detected remaining amount of gasoline is equal to or less than a predetermined amount, all the facility images indicating the gas stations are displayed on the display means.
JP 2006-275663 A

  However, when the vehicle state is detected and all the facility images corresponding to the detected vehicle state are displayed as in the cited document 1, the facility images to be displayed increase in an area where the facilities are crowded in a city or the like. The problem of becoming difficult arises.

  In order to solve the above problems, the present invention displays a facility image for each brand closest to the detected current position among facility images of a plurality of brands belonging to the facility type (gas station) corresponding to the vehicle state. It is intended to provide a navigation device that can display only the facility images required by the user and solve the problem of difficulty in visual recognition by displaying the minimum number of facility images. It is.

In order to solve the above problems, the present invention
Current position detecting means for detecting a current position, facility information including at least a facility type, a plurality of brands belonging to the facility type, a facility image and a facility position for each brand, a storage means for storing map information, Control means for superimposing the facility image on the map information stored in the storage means based on the facility position and displaying it on the display means, wherein the control means is controlled by the current position detection means. The facility image for each brand that is closest to the detected current position is superimposed on the map information and displayed on the display means.

The navigation device further includes vehicle state detection means,
The control means, for each of the brands closest to the current position detected by the current position detection means, among facility images of a plurality of brands belonging to the facility type corresponding to the vehicle state detected by the vehicle state detection means. A facility image is superimposed on the map information and displayed on the display means.

  Further, the vehicle state detection means detects the remaining amount of gasoline in the vehicle as a vehicle state, and the control means detects a facility type when the vehicle state detection means detects that the remaining amount of gasoline is equal to or less than a predetermined amount. Among the facility images of a plurality of brands belonging to the gas station as, the facility image for each brand that is closest to the current position detected by the current position detecting means is superimposed on the map information and displayed on the display means. It is characterized by that.

  In addition, when the control unit detects that the station has stopped at a gas station, the control unit hides a brand facility image belonging to the gas station displayed on the display unit.

It has an operation means to select the facility type,
The control means includes, on the map information, a facility image for each brand that is closest to the current position detected by the current position detection means among a plurality of brand facility images belonging to the facility type selected by the operation means. And is displayed on the display means in a superimposed manner.

  The control means displays the facility image existing forward in the traveling direction in a superimposed manner on the map information, and does not display the facility image existing rearward in the traveling direction.

  The present invention displays only the facility image for each brand closest to the current position detected by the current position detecting means when displaying the facility images of a plurality of brands belonging to the facility type corresponding to the vehicle state on the display means. In addition to displaying only the facility images required by the user, displaying the minimum number of facility images to be displayed on the display means solves the problem that many facility images are displayed and difficult to see. it can.

  FIG. 1 is a block diagram showing a configuration of a navigation device 1 according to an embodiment of the present invention.

  The control means 10 includes a processor including a CPU (not shown), a ROM (not shown), and a RAM (not shown), and the CPU performs arithmetic processing based on various control programs stored in the ROM. Thus, the operation of each part in the navigation device 1 is controlled.

  The current position detection means 11 is composed of, for example, a GPS receiver and receives radio waves including time information from a plurality of GPS satellites orbiting the earth and calculates current position information based on the received radio waves. It is. Furthermore, the current position detection means 11 may be used in combination with a self-contained navigation means including a steering angle sensor, an acceleration sensor, a distance sensor, a direction sensor, and the like (not shown). In this case, the current position is obtained by detecting the travel distance and travel direction of the vehicle and adding these values to the reference position.

  The storage means 12 is constituted by a storage medium such as an HDD (Hard / Disk / Drive) or a semiconductor memory, for example, road node data having nodes as nodes such as intersections or branch points of roads, and respective nodes. Stored in vector format for easy-to-view map image display, including road data including road link data with links between routes, water system data such as coastlines, lakes, and river shapes, and background data consisting of administrative boundary data Stored map image data is stored.

  When the navigation device 1 is used, the road data, background data, and map image data are extracted by the control means 10 from the storage means 12 in a predetermined range including the current position of the navigation device 1, and the current position is determined. The current position mark and the guide route image shown are superimposed and displayed on the display means. The map image is scrolled as the vehicle travels, and the current position detected by the current position detecting means 11 is displayed at the center of the display screen.

  The storage unit 12 stores facility information. As shown in FIG. 2, the facility information is composed of a facility name, a type belonging to the facility, a brand, a coordinate of the location of the facility, and image data (hereinafter referred to as a landmark) corresponding to each brand. For example, aa The store belongs to the gas station as the type, the brand is GS-A, and the location coordinates of the facility are X1 and Y1.

  As shown in FIG. 2, the aa store and the bb store both belong to the gas station as a type and the brand is GS-A, so the corresponding landmarks are the same landmarks. Therefore, a landmark indicating GS-A is superimposed on the position on the map image corresponding to the positions of the aa store and the bb store and displayed on the display means.

  The operation unit 13 includes a hard key and a remote controller provided on the navigation device 1 main body, and a touch panel provided on the front surface of the display unit, and is an interface for a user to send an instruction to the control unit 10.

  The output unit 14 includes a display unit and a speaker (not shown). Based on the control of the control unit 10, during the route guidance, the display unit displays a current position mark indicating the current position and a guidance route image. Voice guidance data corresponding to guidance points such as right turn and left turn on the route is output.

  The gasoline remaining amount detecting means 15 detects the remaining amount of gasoline of the vehicle on which the navigation device 1 is mounted. When the remaining amount of gasoline falls below a predetermined amount (for example, 10 liters), the fact is notified to the control means 10. Output.

  Note that the gasoline remaining amount detection means 15 may output when the travelable distance becomes less than or equal to the predetermined distance instead of outputting to the control means 10 when the gasoline remaining quantity becomes less than or equal to the predetermined amount.

  In the present embodiment, when the gasoline remaining amount detecting means 15 detects that the remaining amount of gasoline in the vehicle has become equal to or less than a predetermined amount, the control means 10 determines the type from a plurality of facility information stored in the storage means 12. Identifies the facility belonging to the gas station, and identifies the facility for each brand closest to the current position based on the position coordinates of the facility belonging to each brand and the current position detected by the current position detecting means 11. And the landmark which shows the brand of each specified facility is superimposed on a map image at the position on the map image corresponding to the position for every specified facility, and it displays on a display means.

  Next, landmark display control by the control means 10 will be described using the flowchart of FIG.

  In the process of step S1, when the remaining amount of gasoline is detected by the gasoline remaining amount detecting means 15 and the fact is input (Y in step S1), the storage means 12 is stored in the process of step S2. A facility belonging to a gas station is identified from a plurality of stored facility information, and the most current location is determined based on the location coordinates of the facility belonging to each brand and the current location detected by the current location detection means 11. Identify facilities by brand near. And the landmark which shows the brand of each specified facility is superimposed on a map image at the position on the map image corresponding to the position for every specified facility, and it displays on a display means.

  FIG. 4 shows that the gasoline remaining amount detecting means 15 detects that the remaining amount of gasoline is equal to or less than a predetermined amount, and the display means displays the facility belonging to the gas station (GS-A / GS-B / GS shown in FIG. 2). -C) shows a state in which all the landmarks are overlaid on the map image. In this way, when all the landmarks of the facility belonging to the gas station are overlaid on the map image, the landmarks are displayed. It becomes difficult to visually recognize because the number of

  Therefore, in the present invention, as shown in FIG. 5, among the landmarks belonging to each brand (GS-A, GS-B, GS-C), only the landmark for each brand closest to the current position S of the vehicle. Are superimposed on the map image and displayed on the display means.

  In FIG. 5, the brand nearest to the current position S of the vehicle is displayed at a position where the landmark GS-A corresponds to the aa store on the map image, and the landmark whose brand is GS-B is cc on the map image. A landmark with a brand of GS-C is displayed at a position corresponding to the ff store on the map image.

  That is, the current position of the vehicle is compared with the position of the facility (facility name aa store, bb store) belonging to the specified brand (for example, GS-A), and the brand of the facility (aa store) closest to the current position is indicated. A landmark is displayed.

  If it is determined in step S1 that the remaining amount of gasoline is equal to or greater than the predetermined amount (N in step S1), the process proceeds to step S6 to detect whether or not the device is turned off and the device is turned off. When this is detected (Y of step S6), this operation | movement is complete | finished. If the apparatus is not turned off (N in Step S6), the process returns to Step S1, and the remaining gasoline detection means 15 detects the remaining gasoline amount again.

  When the landmark for each brand closest to the current position of the vehicle is displayed on the display means in the process of step S2, the current position of the vehicle detected by the current position detection means 11 in the process of step S3, For each brand specified in the process, the facility for each brand that is closest to the current position of the vehicle is specified in the process of step S2 based on the position coordinates of the facility to which the brand belongs and the current position detected by the current position detecting means 11. If it is determined that the facility is different (Y in step S3), in the process of step S4, after the process of hiding the landmark currently displayed on the display means, the process of step S3 is performed. A landmark indicating the brand of the facility newly identified as being closest to the current vehicle position is superimposed on the map image. It is displayed on the display means.

  When the landmark is displayed on the display means in the process of step S4, the process returns to the process of step S3, and again the position coordinates of the facilities belonging to each brand are compared.

  In the process of step S3, when it is determined that the facility closest to the current position of the vehicle is not different from the facility specified in the process of step S2 (N of step S3), the process proceeds to step S6, and the apparatus is turned off. If it is detected whether or not the apparatus has been turned off (Y in step S6), this operation is terminated. If the apparatus is not turned off (N in Step S6), the process returns to Step S1, and the remaining gasoline detection means 15 detects the remaining gasoline amount again.

  The determination in the process of step S3 is performed by comparing the current position of the vehicle and the distance to the facility. For example, it exists behind the traveling direction of the vehicle regardless of the distance between the current position of the vehicle and the facility. Facilities are excluded from comparison. This is because it is considered that the possibility that the vehicle will stop at the facility is low as the possibility that the vehicle will stop behind the facility that has already passed.

  In addition, since the current position of the vehicle changes at any time while the vehicle is running, the facilities belonging to the current position of the vehicle and the brand specified in the processing of step S2 at predetermined intervals according to the change of the current position of the vehicle. The positional relationship between and is compared.

  Further, in this embodiment, it is always detected whether the vehicle has reached the facility (gas station) specified in the process of step S2 or determined in the process of step S3, and the vehicle is stopped. Judged to have stopped at the facility.

  The following method can be used as a method for detecting whether or not the facility has been reached.

  First, in the facility information stored in the storage means 12, the point data on the road link closest to the facility (the point where the perpendicular is dropped on the road link closest to the facility from the position coordinates of the center point of the facility stored in advance) (Location coordinates) is stored, and this point is used to determine whether or not the vehicle has reached the facility. That is, the time when the current position of the vehicle detected by the current position detecting means 11 reaches a point on the road link stored corresponding to the facility or approaches a predetermined distance can be determined as the time when the facility is reached.

  Further, the stop of the vehicle can be detected by detecting the OFF of an ignition switch (not shown).

  In addition, even if you stop by a facility (gas station), it may be possible to stop by for purposes other than refueling (toilet breaks, tire replacement, etc.). When it is detected whether the amount exceeds the predetermined amount, and it is detected that the remaining amount of gasoline exceeds the predetermined amount, it is determined that refueling has been performed at the facility (gas station) at which you stopped, and displayed on the display means. All the landmarks (brand landmarks whose type is a gas station) are hidden.

  Since it is considered that it is not necessary to perform refueling for a time if refueling is performed, all landmarks displayed on the display means are hidden when it is determined that refueling has been performed.

  In this way, only the landmarks for each brand closest to the current position detected by the current position detection means 11 are displayed on the map image on the map image and displayed on the display means. Landmarks are displayed, and it is possible to avoid a state in which many landmarks are mixed and difficult to view.

  In the above embodiment, the landmark display control based on the detection of the remaining amount of gasoline by the gasoline remaining amount detecting means 15 has been described. However, the present invention is not limited to this, and the following cases are also conceivable.

  For example, based on the measurement of a clock unit (not shown), it is detected whether the current time is at breakfast, lunch, or dinner, and the facility type corresponding to the detected time (used at breakfast) Store, store used for lunch, store used for dinner), and the display means is the landmark from the current position among the landmarks (ramen store, hamburger store, sushi store, etc.) belonging to the specified restaurant. You can display the landmarks for each brand that is close.

  Further, when it is detected that the ignition switch is turned on (the engine is turned on), and further after a predetermined time (for example, continuously 2 hours) has elapsed since the vehicle speed is detected, it is continuously continued for a long time. Since driving causes accidents, the facility type identifies facilities that can take a break (convenience stores, roadside stations, etc.), and the current location among the brand-specific landmarks belonging to the identified facility type The nearest landmark for each brand can be displayed on the display means to prompt the user to take a break.

  In the above embodiment, the example in which the display control of the landmark is performed based on the detection of the remaining amount of gasoline by the remaining amount detection unit 15 of the gasoline is described. However, the present invention is not limited to this. When a desired facility type is selected, brand landmarks belonging to the selected facility type can be displayed on the display means.

It is a block diagram which shows the structure of the navigation apparatus 1 of this invention. It is the figure which showed the facility information memorize | stored in the memory | storage means. It is a figure explaining the display control of the landmark by the control means. It is the figure which showed the state which accumulated and displayed all the landmarks for every brand on the map image. It is the figure which showed the state which displayed only the landmark for every brand nearest from the present position on a map image.

Explanation of symbols

1: Navigation device 10: Control means 11: Current position detection means 12: Storage means 13: Operation means 14: Output means

Claims (6)

Current position detecting means for detecting the current position;
Storage means for storing facility information including at least a facility type, a plurality of brands belonging to the facility type, a facility image and a facility position for each brand, and map information;
Control means for superimposing the facility image on the map information stored in the storage means based on the facility position and displaying it on the display means;
In a navigation device comprising
The navigation device according to claim 1, wherein the control unit superimposes the facility image for each brand closest to the current position detected by the current position detection unit on the map information and displays the facility image on the display unit. The navigation device further includes vehicle state detection means,
The control means includes, for each of the brands closest to the current position detected by the current position detection means, among facility images of a plurality of brands belonging to the facility type corresponding to the vehicle state detected by the vehicle state detection means. The navigation apparatus according to claim 1, wherein a facility image is superimposed on the map information and displayed on the display unit. The vehicle state detection means detects the remaining amount of gasoline in the vehicle as the vehicle state,
When the vehicle state detection unit detects that the remaining amount of gasoline is equal to or less than a predetermined amount, the control unit detects the current position detection unit among a plurality of brand facility images belonging to a gas station as a facility type. The navigation apparatus according to claim 2, wherein the facility image for each brand that is closest to the detected current position is superimposed on the map information and displayed on the display means.   4. The navigation apparatus according to claim 3, wherein when the control unit detects that the vehicle has stopped at a gas station, the facility image of a brand belonging to the gas station displayed on the display unit is not displayed. It has an operation means to select the facility type,
The control means includes, on the map information, a facility image for each brand that is closest to the current position detected by the current position detection means among a plurality of brand facility images belonging to the facility type selected by the operation means. The navigation device according to claim 1, wherein the navigation device displays the information on the display unit in a superimposed manner.   The said control means superimposes and displays the facility image which exists ahead of the advancing direction on the said map information, The facility image which exists behind a advancing direction is not displayed, The any one of Claim 1 to 5 characterized by the above-mentioned. The navigation device described.

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