JP2004045183A - Car-mounted navigation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide sight-seeing information to a drive having no destination. <P>SOLUTION: A car mounted navigation system comprises a border transgression detection means detecting the fact that the car transgressed from an area to the other area, and a sight-seeing information for indicating selectively sightseeing information of a travelled area on an indication means, and when the driver selects the sight-seeing information indicated on the indication means by the sight-seeing information means, it is navigated to the destination corresponding to selected sight-seeing information. For a driver having not determined a destination, by recognizing sight-seeing information of the travelled area, he can have a will to visit the location indicated by the sight-seeing information and can sight-see the location of willing to visit. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an in-vehicle navigation device.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as an in-vehicle navigation device that detects that a vehicle has crossed a border and displays information about the entering area, there is one disclosed in Japanese Patent Application Laid-Open No. 2002-39771.
[0003]
In this car navigation system, the current vehicle position mark displayed on the display device is changed as needed to a character mark that symbolizes the area where the vehicle has entered, so that the driver can be informed of which area he / she is driving with an interesting note. Can do things.
[0004]
Japanese Patent Application Laid-Open No. H11-351899 discloses an in-vehicle navigation device that displays an image that symbolizes an entering region, or specifically notifies a region name by voice.
[0005]
When this vehicle-mounted navigation device detects that a vehicle has crossed the border, it displays an image showing, for example, a prefecture emblem or a prefecture flower, and outputs a sound such as "Entering the XX area" from the speaker. The driver can be informed that he has crossed the border.
[0006]
[Problems to be solved by the invention]
However, in the above two in-vehicle navigation devices, both associate the location of the entering administrative division from the character mark, or specifically, the vehicle displays an image that symbolizes the entering area, or specifically specifies the area name. It does not provide audio information, but does not provide tourist information about the area, that is, information that excites the driver's willingness to explore in the border area, such as special products, historic sites, and entertainment.
[0007]
In view of the above, it is an object of the present invention to provide an on-vehicle navigation device that can motivate a driver to search in a border area.
[0008]
[Means for Solving the Problems]
The on-vehicle navigation device according to claim 1, further comprising a cross-border detecting means for detecting that the vehicle has crossed from one area to another area, and outputting information on the other area where the vehicle has entered the boundary to a display means. The display means includes a sightseeing guide means for selectively displaying the sightseeing information of the entering region, and a case where the driver selects the sightseeing information displayed by the sightseeing guide means on the display means. A destination setting means for providing route guidance with a place to be set as a destination.
[0009]
According to the in-vehicle navigation device of the first aspect, when the vehicle enters a certain area, the sightseeing information of the entered area is displayed on the display means so that it can be set as a route guidance destination, and the display is performed. When the driver selects the sightseeing information, the vehicle is guided to a place corresponding to the sightseeing information. Therefore, by providing the tourist information of the entering region to the driver whose destination has not been determined, it is possible to motivate the driver to search for the location indicated by the tourist information. By selecting the displayed sightseeing information, the driver can immediately sightsee the sightseeing spot where the willingness to visit has come.
[0010]
3. The on-vehicle navigation device according to claim 2, further comprising a data storage unit that holds the above-mentioned sightseeing information together with road map information, and wherein the sightseeing guide unit displays the sightseeing information held by the data storage unit. It is characterized in that it is displayed on the means.
[0011]
According to the in-vehicle navigation device according to the second aspect, the sightseeing information can be immediately retrieved because the sightseeing information is held in the data storage means provided in the in-vehicle navigation device.
[0012]
According to a third aspect of the present invention, in the vehicle-mounted navigation device, the sightseeing guide unit includes a sightseeing information receiving unit that receives the sightseeing information from outside the vehicle.
[0013]
According to the in-vehicle navigation device according to claim 3, the sightseeing information receiving means receives the sightseeing information from a network or the like installed outside the vehicle and displays the sightseeing information. It can provide unexpected event information to the driver in real time.
[0014]
The on-vehicle navigation device according to claim 4, further comprising an audio output unit for performing route guidance, wherein the sightseeing guidance unit outputs the music related to the border area when the sightseeing information is displayed. And a related music output means for outputting from the means.
[0015]
According to the in-vehicle navigation device according to the fourth aspect, when sightseeing information of the entering area is displayed, music related to the area, for example, a folk song, is output, thereby further motivating the driver to search. Can be done.
[0016]
The on-vehicle navigation device according to a fifth aspect is characterized in that the on-vehicle navigation device includes a guidance prohibiting unit that prohibits the display of the sightseeing information based on a driver's instruction.
[0017]
According to the in-vehicle navigation device according to the fifth aspect, the driver can prohibit the display of sightseeing information at the time of entering the boundary, so that the driver needs to receive sightseeing guidance, for example, when traveling with the destination and entering the boundary. When there is no such information, the sightseeing information is not displayed.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
An on-vehicle navigation device according to an embodiment of the present invention will be described with reference to the drawings.
[0019]
FIG. 1 is a block diagram showing a schematic configuration of an in-vehicle navigation device 100 according to the present invention. The in-vehicle navigation device 100 according to the present invention includes a data storage unit 1, an operation switch group 2, a display device 3, a sightseeing information receiving unit 4, a speaker 5, a position detecting unit 10, a control unit 20, and the like.
[0020]
The data storage unit 1 corresponds to a data storage unit described in the claims. The data storage unit 1 is composed of a large-capacity storage medium such as a CD-ROM or a DVD-ROM, and has therein map data, sightseeing data of each region in Japan, and a region for judging a vehicle crossing. Name data is stored.
[0021]
The map data stores map drawing data, node information, link information, landmark data, and the like, and the sightseeing data stores detailed information on sightseeing facilities and music data related to each region. I have.
[0022]
In the detailed information on the tourist facility, for example, a facility name, a business date and time, and the like are written, and are linked to the node information indicating the tourist facility in the above-described node information.
[0023]
The region name data is name data of each region in the whole of Japan, and is hierarchically configured from a small region to a large region. In this embodiment, area name data composed of four layers from the minimum to the maximum is shown. That is, the name of the city, town, village, region, prefecture, and area.
[0024]
Of these, the names of municipalities and prefectures are well-known local government names. Local names are not administrative divisions in a strict sense, such as the Owari and Mikawa districts of Aichi Prefecture, but they are historically and culturally cultivated in Aichi Prefecture today, and are separated by rivers and mountain ridges, for example. The name of the designated area corresponds to this.
[0025]
The area name is the name of a unit composed of prefectures, such as the Kansai area composed of Kyoto, Hyogo, Osaka, Nara, Shiga, and Wakayama prefectures.
[0026]
The above-mentioned area name data is linked to the above-described music data, and when it is detected that the vehicle has crossed the border, the music data linked to the area name data indicating the name of the entering area is read out.
[0027]
The operation switch group 2 can be composed of various mechanical switches. Note that a part of the operation switch group 2 may be configured as a touch panel integrated with a screen of the display device 3 described later.
[0028]
The display device 3 corresponds to a display unit described in the claims, and includes a well-known liquid crystal display device, a cathode ray tube (CRT) display device, and the like.
[0029]
The sightseeing information receiving unit 4 corresponds to sightseeing information receiving means described in the claims. It receives sightseeing information from the outside, and receives sightseeing information supplied from a sightseeing information providing center installed outside or the like.
[0030]
The speaker 5 is for realizing voice guidance, which is one type of route guidance, and is a voice output unit described in the claims.
[0031]
The position detector 10 is used to detect the current position and the traveling direction of the vehicle. The position detector 10 includes a geomagnetic sensor 11, a gyroscope 12, a distance sensor 13, and a GPS receiver 14 that detects the position of a vehicle based on radio waves from satellites.
[0032]
The geomagnetic sensor 11 is for detecting the absolute azimuth of the vehicle. The gyroscope 12 is for detecting the relative direction of the vehicle, and may employ a known sensor such as a vibration gyroscope, an optical fiber gyroscope, a gas rate gyroscope, and a steering angle sensor. The distance sensor 13 detects the moving distance of the vehicle, and may employ a known sensor such as a wheel speed sensor or a vehicle speed sensor. As is well known, the GPS receiver 14 receives a GPS signal transmitted from a satellite, and obtains the position of the vehicle or the like from the received signal.
[0033]
The control unit 20 is an ECU that includes a bus line, a ROM, a RAM, and the like, with a well-known CPU as the center. The control unit 20 acquires signals from the data storage unit 1, the operation switch group 2, the display device 3, the sightseeing information receiving unit 4, and the position detecting unit 10 via an input / output circuit.
[0034]
Then, the control unit 20 performs a well-known navigation process. That is, the current position of the vehicle is obtained based on the detection signal from the position detection unit 10, and a road map near the current position read from the data storage unit 1 and a mark indicating the current position are displayed on the display screen of the display device 3. I do.
[0035]
Further, when a destination is input via the operation switch group 2, an optimal route from the current position to the destination is automatically calculated and displayed on a road map on a display screen, or a set route is displayed. For example, when approaching an intersection, an enlarged map near the intersection is automatically displayed, and a process of displaying the traveling direction at the intersection with an arrow or guiding by voice is performed.
[0036]
Further, the driver can set a layer of an area for detecting that the vehicle has crossed the boundary from the operation switch group 2 or the like to the control unit 20. In this cross-border area hierarchy setting, each hierarchy of the area name data stored in the data storage unit 1, that is, any one of the cities, municipalities, regions, prefectures, and directions can be selected.
[0037]
Next, processing related to sightseeing information guidance, which is a feature of the present embodiment, will be described with reference to the flowchart in FIG. 2 and the display example in FIG.
[0038]
In step S1 of FIG. 2, the setting information of the level of the area where the driver detects the crossing performed by the driver is read, and in step S2, it is determined whether or not the area indicated by the setting information is crossed. The specific contents of the process of detecting the crossing in step S2 are as follows.
[0039]
That is, when the vehicle acquires the node information, it repeatedly reads the area name data linked to the node information and stores it in a memory (not shown). When moving to the position indicated by node information belonging to a different area, if the area name data stored before moving is different from the area name data stored after moving, it is determined that the vehicle has crossed the area boundary I do.
[0040]
Next, in step S3, it is determined whether or not the driver has set to prohibit sightseeing guidance. The processing in step S3 corresponds to the guidance prohibiting means described in the claims. If it is detected in this process that the sightseeing guidance is prohibited, the process returns to step S1.
[0041]
If it is detected that the sightseeing guide is not prohibited, the sightseeing information linked to the entering area name data is read from the data storage unit 1 in step S4.
[0042]
At this time, the sightseeing information receiving unit 4 stores, in a data storage unit 1, a sightseeing information providing center (not shown) installed outside the vehicle, such as information on irregular entertainments currently being held in the area where the vehicle entered. Search for tourist information that cannot be done. As a result of this search, if there is irregular tourism information that cannot be stored in the data storage unit 1, the tourism information is received and combined with the tourism information read from the data storage unit 1.
[0043]
Next, in step S5, music data linked to the area name data of the inbound area is read out from the data storage unit 1, and in step S6, it is reproduced and sound output from the speaker 5. The processing in step S6 corresponds to a related music output unit described in the claims.
[0044]
In step S7, the sightseeing information obtained by combining the sightseeing information read from the data storage unit 1 in step S4 and the sightseeing information received by the sightseeing information receiving unit 4 is displayed in a list display format and displayed on the display device 3. FIG. 3A is an image diagram of sightseeing information displayed on the display device 3 in a list format. In this image diagram, a screen displayed on the display device 3 when a vehicle enters Shizuoka Prefecture from Aichi Prefecture is listed, and highlights of Shizuoka Prefecture and a major classification of sightseeing information on special products are displayed in a list. .
[0045]
As shown in FIG. 3 (a), various kinds of sightseeing information are hierarchically displayed from a large classification display to a small classification display shown in FIG. It is desirable to simplify the narrowing down of tourist information.
[0046]
Then, in step S8, if the driver does not perform any selection operation with the operation switch group 2 or the like for any one of the sightseeing information listed in step S7 for a predetermined time, the control flow returns to step S1. If it is detected that the selection operation has been performed by the driver, the control flow proceeds to step S9, and a list of information on facilities related to the selected sightseeing information is displayed on the display device 3.
[0047]
Referring to FIGS. 3A and 3B as an example, the driver selects sightseeing information on “special products” from a list of sightseeing information of Shizuoka Prefecture displayed in FIG. 3A. Since it is detected that the operation has been performed within a predetermined time, a list of tourist information of “special products” is displayed as shown in FIG. Then, since it was detected that the operation of selecting the facility information on "Mikan" from the list display of the sightseeing information of "special product" was performed within a predetermined time, as shown in FIG. This is a process for displaying a list of facilities related to "Mikan".
[0048]
At this time, in the display control regarding the list display of the facility information shown in FIG. 3C, display control is performed in which the vehicle is displayed in ascending order from the facility closest to the current vehicle position to the facility farthest from the current vehicle position. Is desirable. For facilities with a limited visitable period, the current date and time are acquired in advance before the list is displayed in step S9, and the detailed information of the facilities whose current date and time is outside the visitable period is listed in step S9 from the beginning. It is desirable that the display control is not displayed.
[0049]
Next, in step S10, if any one of the facility information listed in step S9 is selected, detailed information on the facility is displayed in step S11. (See Fig. 3 (d))
The driver can determine whether to visit the facility based on the detailed information of the facility. In step S9, if the driver has not performed a selection operation during a predetermined time after the list of facility information is displayed, it is determined in step S10 that the selection operation has not been performed. Then, the process proceeds to step S12, and a screen (not shown) for selecting one of returning to the list of sightseeing information in step S7 or returning to step S1 is displayed.
[0050]
Next, in step S13, it is detected whether or not the driver individually sets the facility to be displayed as the destination of the route guidance. If it is detected that the driver has performed the operation of setting the destination, the process proceeds to step S14, where the destination is set. Make settings. If it is detected that an operation that does not set the destination is performed, the process proceeds to step S15, and a screen for selecting whether to return to step S9 or to return to step S1 again to display facility list information is displayed. Display (not shown). The processing in steps S13 and S14 corresponds to a destination setting unit described in the claims.
[0051]
The process from the display of the sightseeing information list in step S7 to the control flow of displaying the detailed information of the selected facility in step S11 corresponds to a sightseeing guide means.
[0052]
With the configuration and operation described above, a driver whose destination has not been decided can know the sightseeing information of the entering area, and can be motivated to visit the location indicated by the sightseeing information, and immediately find the place where the motivation to search springs up You can go sightseeing.
[Brief description of the drawings]
FIG. 1 is a block diagram showing the overall configuration of an on-vehicle navigation device 100 according to the present invention.
FIG. 2 is a flowchart showing a control flow of the vehicle-mounted navigation device 100 according to the present invention.
3 (a) to 3 (d) are image diagrams of screens on the display device 3, respectively.
[Explanation of symbols]
1 data storage unit (data storage means)
2 Operation switch group 3 Display device (display means)
4 Sightseeing guide receiving unit (Tourist guide receiving means)
5 Speakers (voice output means)
10 Position detection unit 100 In-vehicle navigation device

Claims (5)

An in-vehicle navigation device including a cross-border detection unit that detects that a vehicle has crossed from one region to another region, and outputs information on the other region that has entered the boundary to a display unit,
Sightseeing guide means for displaying, in the display means, sightseeing information of the bordered area in a selectable manner;
When the driver selects the tourist information displayed on the display means by the tourist guide means, a destination setting means for performing route guidance with a place corresponding to the tourist information as a destination is provided. The in-vehicle navigation device includes a data storage unit that stores the above-mentioned sightseeing information together with the road map information, and the sightseeing guide unit displays the sightseeing information stored in the data storage unit on the display unit. The in-vehicle navigation device according to claim 1, wherein: The in-vehicle navigation device according to claim 1, wherein the sightseeing guide unit includes a sightseeing information receiving unit that receives the sightseeing information from outside the vehicle. The in-vehicle navigation device includes voice output means for performing route guidance, and the sightseeing guide means, when displaying the sightseeing information, outputs music related to a boundary area from the voice output means, The in-vehicle navigation device according to any one of claims 1 to 3, further comprising a related music output unit. The in-vehicle navigation device according to any one of claims 1 to 4, further comprising a guidance prohibition unit that prohibits the sightseeing guidance unit from displaying the sightseeing information based on a driver's instruction.

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