JP3249864B2 - Navigation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device installed on a moving body, and more particularly, to enabling a user of the navigation device to obtain information on facilities such as a gas station, a restaurant, and a parking lot. To a navigation device.

[0002]

2. Description of the Related Art In recent years, a navigation apparatus which is installed in a moving body and displays a current position of the moving body, map data including the current position, a traveling route of the moving body, and the like has become widespread.

[0003] Some of such navigation devices include a receiving means for receiving a signal transmitted from a satellite in order to measure the current position of a moving object.
The receiving means has not been designed to receive information on facilities such as a gas station, a restaurant, and a parking lot.

As an example of a navigation device provided with a receiving means for receiving information other than a signal transmitted from a satellite, for example, as described in Japanese Patent Application Laid-Open No. Hei 3-76000, a gas station telephone is disclosed. Some include a database storing numbers and receiving means for receiving telephone numbers transmitted from gas stations.
This is because when the starting point and the destination of the traveling route of the mobile unit are set, the code number assigned to the registered position that is the target of the starting point and the destination is entered. This is a technique that can be set based on a telephone number transmitted from a gas station without inputting a code number.

[0005]

In the above-mentioned prior art, a place where a gas station is located is set as a departure point on a route to a destination, and a method of obtaining information on the gas station itself is considered. Had not been.

As described above, conventionally, the user of the navigation device has not been able to obtain information on facilities such as a gas station, a restaurant, and a parking lot.

An object of the present invention is to provide a navigation device that allows a user to obtain information on facilities such as a gas station, a restaurant, and a parking lot.

[0008]

In order to achieve the above object, the present invention relates to a navigation device installed in a mobile body, a receiving means for receiving facility data indicating at least the type and location of the facility, Analyzing means for analyzing the facility data received by the means, map data storing means for storing map data, position measuring means for measuring the current position of the moving object, and stored in the map data storing means. Reading means for reading out the map data including the current position measured by the position measuring means from the map data, and map data read by the reading means; the current position measured by the position measuring means; Drawing means for creating display contents based on the facility data analyzed by the means, and display contents created by the drawing means. So that and a Shimesuru display means.

[0009] The apparatus may further include an input unit capable of inputting the type of the facility. In such a case, the analyzing unit may analyze the facility data received by the receiving unit. In addition, facility data corresponding to the type of facility input by the input means can be selected. In such a navigation device, the receiving means receives the facility data transmitted from each of the one or more facilities, whereby the information transmission / display system including the facility and the navigation device is provided. Can be built.

[0010] Further, the apparatus may further comprise a data storage means for storing the facility data received by the reception means, and in this case, the analysis means may include the facility data stored in the data storage means. The data will be analyzed. In such a navigation device, the receiving means receives the facility data transmitted from the facility data transmitting station that stores a plurality of facility data, whereby the facility data transmitting station and the navigation device can receive the facility data. And an information transmission display system composed of the following.

Further, instead of the above-mentioned receiving means, a wireless telephone for connecting to a service center storing a plurality of facility data via an exchange network and receiving facility data transmitted from the service center is provided. It may be built-in or connected, and may further include data storage means for storing facility data received by the wireless telephone,
In this case, the analysis means analyzes the facility data stored in the data storage means. As a result, an information transmission display system including the service center and the navigation device can be constructed.

When analyzing the facility data stored in the data storage means, the analysis means is located within a predetermined range of the distance from the current position measured by the position measurement means. Facility data may be selected.

Further, the position measuring means may further measure the traveling direction of the moving body, and in such a case, the analyzing means may store the facility data stored in the data storing means. When analyzing the facility data, facility data located within a predetermined angle range with respect to the traveling direction measured by the position measuring means can be selected.

[0014] Further, an input means capable of inputting the type of the facility may be further provided. In such a case, the receiving means is provided when the type of the facility is input by the input means. The facility data is received, and the analyzing means selects facility data corresponding to the type of facility input by the input means when analyzing the facility data received by the receiving means. can do.

[0015]

The navigation apparatus receives facility data transmitted from a facility, a facility data transmitting station, a service center, and the like, and displays all or a part of the received facility data together with map data, a current position, and the like. Therefore, the user of the navigation device can easily know the information on the facility only by looking at the display screen.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

First, a first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 is a configuration diagram of an information transmission display system to which a navigation device according to a first embodiment of the present invention is applied.

In FIG. 1, reference numeral 100 denotes various facilities such as a gas station, a restaurant, a parking lot, and the like, and reference numeral 200 denotes a navigation device installed on a moving body.

As shown in FIG. 1, the facility 100 includes a transmitter 1 and a transmitting antenna 2. The navigation device 200 includes a receiving antenna 3, a receiver 4, an analyzing unit 5, a position measuring unit 6, a control unit 7, a reading unit 8, a map data storing unit 9, a drawing unit 10, a display unit 11, and an input unit 12. Is provided. Although FIG. 1 shows only one facility 100 for one navigation device 200, there are actually a plurality of facilities.

In the facility 100, the transmitter 1 transmits facility data indicating information on the own facility 100 through the transmitting antenna 2 at predetermined time intervals. Here, the transmitter 1 transmits facility data using, for example, a radio signal or an optical signal whose reach is about several tens to hundreds of meters. This is to avoid the confusion of the navigation device 200 due to the simultaneous reception of a large number of signals by using a signal with a relatively short reach.

As shown in FIG. 2, the facility data includes an identification code indicating the type of the facility 100, such as a gas station, a restaurant, a parking lot, and the like, and location data indicating the location (latitude and longitude) of the facility 100. If the facility 100 has a parking lot, the facility 100 may include additional data indicating whether the parking lot is empty or full.

In the navigation device 200, when receiving the facility data transmitted from the facility 100 via the receiving antenna 3, the receiver 4 passes the facility data to the analysis means 5. The analyzing means 5 analyzes the facility data received by the receiver 4 and draws the facility data
Pass to. That is, the analysis unit 5 determines the type of the facility 100 from the identification code included in the facility data, and determines the location of the facility 100 from the location data included in the facility data. If the additional data is included, it is determined from the additional data whether the parking lot is empty or full.

On the other hand, the position measuring means 6 measures the current position of the moving body and passes the current position to the control means 7. The control means 7 reads out the map data from the map data stored in the map data storage means 9, the map data being substantially centered on the current position measured by the position measurement means 6.
Control. The reading means 8 reads out the map data centered on the current position measured by the position measuring means 6 from the map data stored in the map data storing means 9 and passes the map data to the drawing means 10. Further, the control means 7 passes the current position measured by the position measuring means 6 to the drawing means 10.

The position measuring means 6 is, for example, a GPS
(Grobal Positioning System) It can be realized by a position measuring device.

The drawing means 10 combines the facility data analyzed by the analyzing means 5, the map data read by the reading means 8, and the current position measured by the position measuring means 6, and can display them on the display means 11. To display data
The display data is passed to the display means 11. The display means 11
The display data converted by the drawing means 10 is displayed.

FIG. 3 is a view showing a display example of the display means 11.

As shown in FIG. 3, the display means 11 displays a cursor indicating the current position, a mark indicating the restaurant, and an additional message indicating that the parking lot of the restaurant is empty.

As described above, according to the present embodiment, the user of the navigation device 200 can know the current position of the moving body, and can read the gas station, the restaurant, and the like.
Information about the facility 100 such as a parking lot can be obtained.

Further, in the navigation device 200, the input means 12 allows the user of the navigation device 200 to select and instruct one or more types of desired facilities 100 whose location or the like is desired to be known.

FIG. 4 is a diagram showing an example of the input means 12.

The example of FIG. 4 shows an example in which the input means 12 is realized by a touch panel provided on the screen of the display means 11. In addition, a switch panel having a plurality of selection switches is used. Can be realized.

When the user of the navigation device 200 uses the input means 12 to select and instruct the type of the desired facility 100, the type of the facility 100 is passed to the control means 7. When the user instructs the selection of the facility type, the control means 7 analyzes the facility data including the identification code indicating the type of the facility 100 selected and instructed by the user among the facility data received by the receiver 4. The analysis means 5 is controlled as described above. The analysis unit 5 analyzes the facility data including the identification code indicating the type of the facility 100 selected and designated by the user, from the facility data received by the receiver 4, and passes the facility data to the drawing unit 10.

The drawing means 10 can combine the facility data analyzed by the analyzing means 5, the map data read by the reading means 8 and the current position measured by the position measuring means 6 and display them on the display means 11. To display data
The display data is passed to the display means 11. The display means 11
The display data converted by the drawing means 10 is displayed.

Thus, the display means 11 displays information on the facility 100 of the type selected and instructed by the user.

As described above, according to the present embodiment, the user of the navigation device 200 can know the current position of the moving object and can obtain information on the desired facility 100.

In this embodiment, the identification code is assigned for each type of facility 100, but the facility data may be transmitted at a different frequency for each type of facility 100. In this case, no identification code is required.

Next, a second embodiment of the present invention will be described with reference to FIGS.

FIG. 5 is a block diagram of an information transmission display system to which the navigation device according to the second embodiment of the present invention is applied.

In FIG. 5, reference numeral 300 denotes a facility data transmitting station, and reference numeral 400 denotes a navigation device installed on a mobile body.

As shown in FIG. 5, the facility data transmitting station 30
0 is a transmitter 1, a transmitting antenna 2, a database 15
It has. The navigation device 400 includes a receiving antenna 3, a receiver 4, a position measuring unit 6, a control unit 7, a reading unit 8, a map data storing unit 9, and a drawing unit 1.
0, display means 11, input means 12, data storage means 19
Is provided. In FIG. 5, the facility data transmitting station 3
Although only one 00 is shown, there are actually a plurality of 00s.

The present embodiment is different from the first embodiment in that the facility data transmitting station 300 having the database 15 storing the facility data transmits the facility information to the navigation apparatus 400 instead of the facility. The point is that data is transmitted.

In this embodiment, one facility data transmitting station 300 stores one type of facility data in the database 1.
5 is described. That is, the database 15 stores facility data indicating information on facilities of the same type among facilities located within a predetermined range (for example, within a radius of several kilometers) from the facility data transmitting station 300. ing. The structure of the facility data is as described in the first embodiment.

In the facility data transmitting station 300, the transmitter 1 transmits the facility data stored in the database 15 through the transmitting antenna 2 at predetermined time intervals. Here, the transmitter 1 transmits facility data using, for example, a radio signal or an optical signal whose reach is about several kilometers.

In the navigation device 400, as described in the first embodiment, the input means 12 instructs the user of the navigation device 400 to select one or more types of desired facilities whose location or the like is desired to be known. You can do it.

When the user of the navigation device 400 uses the input unit 12 to select and instruct the type of a desired facility, the type of the facility is passed to the control unit 7. Further, the position measuring means 6 measures the current position of the moving body and passes the current position to the control means 7.

FIG. 6 is an internal block diagram of the control means 7.

As shown in FIG. 6, the control means 7 includes a control section 71 and a position comparison section 72.

When the user instructs the type of facility, the control means 7 controls the receiver 4 by the control unit 71 so as to receive the facility data transmitted from the facility data transmitting station 300. When receiving the facility data transmitted from the facility data transmitting station 300 via the receiving antenna 3, the receiver 4 stores the facility data in the data storage unit 19.

Subsequently, the control means 7 compares the current position measured by the position measurement means 6 with the location data contained in the facility data stored in the data storage means 19.
The location comparison unit 72 compares the facility data stored in the data storage unit 19 with an identification code indicating the type selected and instructed by the user, and the distance from the current location is a predetermined range. Inside (for example, radius 5
The analysis unit 5 is controlled by the control unit 71 so as to analyze facility data located within 00 meters. Also,
The control unit 7 controls the reading unit 8 by the control unit 71 so as to read out, from the map data stored in the map data storage unit 9, the map data centered on the current position measured by the position measurement unit 6. I do.

The reading means 8 reads out, from the map data stored in the map data storage means 9, the map data having the center substantially at the current position measured by the position measuring means 6, and draws the map data. Pass to. In addition, the analysis unit 5 includes an identification code indicating the type selected and instructed by the user among the facility data stored in the data storage unit 19, and the distance from the current position measured by the position measurement unit 6. Analyze the facility data located within a radius of 500 meters and draw the facility data
Pass to. Further, the control means 7 passes the current position measured by the position measuring means 6 to the drawing means 10.

The drawing means 10 can combine the current position measured by the position measuring means 6, the map data read by the reading means 8 and the facility data analyzed by the analyzing means 5 and display them on the display means 11. To display data
The display data is passed to the display means 11. The display means 11
The display data converted by the drawing means 10 is displayed.

As a result, the display means 11 displays information about facilities of a type selected and instructed by the user and located within a radius of 500 meters from the current position of the moving object. .

It is also possible to display a list of facility data stored in the data storage means 19 on the display means 11 by giving an instruction using the input means 12.

As described above, according to the present embodiment, the user of the navigation device 400 can know the current position of the moving object, and can obtain the distance from the current position of the moving object among desired types of facilities. Can obtain information on facilities located within a radius of 500 meters.

In the present embodiment, the control means 7 of the navigation device 400 determines the position information of the moving body, the traveling direction of the moving body, and the location included in the facility data stored in the data storage means 19. The data is compared with the data by the position comparing unit 72, and among the facility data stored in the data storage unit 19, an identification code indicating the type selected and designated by the user is included, and the distance from the current position is determined in advance. The facility data located within a predetermined range (for example, within a radius of 500 meters) and within a predetermined angle range with respect to the traveling direction (for example, within a range of plus or minus 90 degrees from the traveling direction) is analyzed. Yes, control unit 7
1 may control the analysis means 5.

As a result, the display means 11 indicates that the distance from the current position of the moving object is within a radius of 500 meters and that the distance from the moving direction of the moving object is positive among facilities of the type selected and instructed by the user. Information on facilities located within the range of minus 90 degrees is displayed.

In the present embodiment, the transmitter 1 of the facility data transmitting station 300 has a function of scrambling the facility data to be transmitted in order to prevent eavesdropping, and the receiver 4 of the navigation device 400 cancels the scrambling. May be provided.

Thus, it is possible to prevent facility data from being obtained unless the navigation device 400 including the receiver 4 having the descrambling function is used.

Next, a third embodiment of the present invention will be described with reference to FIG.

FIG. 7 is a block diagram of an information transmission display system to which the navigation device according to the third embodiment of the present invention is applied.

In FIG. 7, reference numeral 500 denotes a facility data transmitting station, and 600 denotes a navigation device installed on a mobile body.

As shown in FIG. 7, the facility data transmitting station 50
0 is the transceiver 13, the control means 14, the database 1
5, a transmission / reception antenna 16 is provided. Further, the navigation device 600 includes an analyzing unit 5, a position measuring unit 6,
It has a control unit 7, a reading unit 8, a map data storage unit 9, a drawing unit 10, a display unit 11, an input unit 12, a transmission / reception antenna 17, a transceiver 18, and a data storage unit 19. In FIG. 7, one facility data transmitting station 50 is provided for one navigation device 600.
Although only 0 is shown, there are actually a plurality.

This embodiment differs from the second embodiment in that the facility data transmitting station 500 is provided with a transceiver 13 and a transmitting / receiving antenna 16 instead of the transmitter 1 and the transmitting antenna 2. In addition, in the navigation device 600, a transceiver 18 and a transmitting / receiving antenna 17 are provided instead of the receiver 4 and the receiving antenna 3.

In this embodiment, as described in the second embodiment, one facility data transmitting station 500
Description will be made assuming that one type of facility data is stored in the database 15. That is, the database 15 stores facility data indicating information on facilities of the same type among facilities located within a predetermined range (for example, within a radius of several kilometers) from the facility data transmitting station 500. ing. The structure of the facility data is
This is as described in the first embodiment.

In the navigation device 600, as described in the first embodiment, the input means 12 instructs the user of the navigation device 600 to select one or more types of desired facilities whose location or the like is desired to be known. You can do it.

When the user of the navigation device 600 uses the input unit 12 to select and instruct the type of the desired facility, the type of the facility is passed to the control unit 7. Further, the position measuring means 6 measures the current position of the moving body and passes the current position to the control means 7.

The content structure of the control means 7 is the same as that of the second
As described in the embodiment.

When the user selects and instructs the type of facility, the control means 7 controls the transceiver 18 by the control unit 71 so as to transmit the type of facility. The transceiver 18 transmits the facility type selected and instructed by the user via the transmission / reception antenna 17.

In the facility data transmitting station 500, when the transceiver 13 receives the type of facility transmitted from the navigation device 600 through the transmitting / receiving antenna 16, it passes the type of facility to the control means 14.

When the type of facility received by the transceiver 13 matches the type of facility indicated by the identification code included in the facility data stored in the own facility data transmitting station 500, The transceiver 13 is controlled to transmit the facility data stored in the database 15. The transceiver 13 transmits the facility data stored in the database 15 via the transmission / reception antenna 16.

In the navigation device 600, when the transceiver 18 receives the facility data transmitted from the facility data transmitting station 500 via the transmitting / receiving antenna 17, the facility data is stored in the data storage unit 19.

Subsequently, the control means 7 compares the current position measured by the position measurement means 6 with the location data contained in the facility data stored in the data storage means 19.
The location comparison unit 72 compares the facility data stored in the data storage unit 19 with an identification code indicating the type selected and instructed by the user, and the distance from the current location is a predetermined range. Inside (for example, radius 5
The analysis unit 5 is controlled by the control unit 71 so as to analyze facility data located within 00 meters. Also,
The control unit 7 controls the reading unit 8 by the control unit 71 so as to read out, from the map data stored in the map data storage unit 9, the map data centered on the current position measured by the position measurement unit 6. I do.

The reading means 8 reads out, from the map data stored in the map data storing means 9, map data having the center substantially at the current position measured by the position measuring means 6, and renders the map data into the drawing means 10. Pass to. In addition, the analysis unit 5 includes an identification code indicating the type selected and instructed by the user among the facility data stored in the data storage unit 19, and the distance from the current position measured by the position measurement unit 6. Analyze the facility data located within a radius of 500 meters and draw the facility data
Pass to. Further, the control means 7 passes the current position measured by the position measuring means 6 to the drawing means 10.

The drawing means 10 can combine the current position measured by the position measuring means 6, the map data read by the reading means 8 and the facility data analyzed by the analyzing means 5 and display them on the display means 11. To display data
The display data is passed to the display means 11. The display means 11
The display data converted by the drawing means 10 is displayed.

As a result, the display means 11 displays information on facilities of a type selected and instructed by the user and located within a radius of 500 meters from the current position of the moving object. .

It is also possible to display a list of facility data stored in the data storage means 19 on the display means 11 by giving an instruction using the input means 12.

As described above, according to the present embodiment, the user of the navigation device 600 can know the current position of the moving object, and can obtain the distance from the current position of the moving object among desired types of facilities. Can obtain information on facilities located within a radius of 500 meters.

In the navigation device 600, the input means 12 may enable the user of the navigation device 600 to input a user ID for identifying the user. If the control unit 71 controls the transceiver 18 so as to transmit the user ID input by the user, the facility data transmitting station 500 identifies the user based on the user ID, For example, a user ID can be used for charging, such as automatically deducting a usage fee from a bank account or the like registered in advance by a user.

In the present embodiment, the control means 7 of the navigation device 600 determines the position information of the moving body, the traveling direction of the moving body, and the location included in the facility data stored in the data storage means 19. The data and the data are compared by the position comparing unit 72, and the facility data stored in the data storage unit 19 is located within a predetermined range (for example, within a radius of 500 meters) from the current position. The control unit 71 controls the analysis unit 5 to analyze facility data located within a predetermined angle range with respect to the traveling direction (for example, within a range of ± 90 degrees from the traveling direction). You may do so.

As a result, the display means 11 displays, among the facilities of the type selected and designated by the user, the distance from the current position of the moving object within a radius of 500 meters, and a plus from the traveling direction of the moving object. Information on facilities located within the range of minus 90 degrees is displayed.

In the present embodiment, the control means 7 of the navigation device 600 controls the transceiver 18 by the control unit 71 so as to transmit the current position of the moving object together with the type of facility selected and instructed by the user. In such a case, the facility data transmitting station 5
When the type of the facility matches the type of facility indicated by the identification code included in the facility data stored in the own facility data transmitting station 500, the control unit 14 further stores the type in the database 15. The transceiver 13 may be controlled so as to transmit facility data whose facility data is located within a predetermined range (for example, within a radius of 3 km) of the facility data. it can.

Thus, the facility data transmitting station 500
Since facility data whose distance from the current position of the moving object is within a radius of 3 km is transmitted, the amount of facility data to be transmitted can be reduced while transmitting useful facility data, and the transmission time can be reduced. Can be shortened.

In this embodiment, the control means 7 of the navigation device 600 causes the control unit 71 to transmit / receive the current position and the traveling direction of the moving object together with the type of facility selected and instructed by the user. May be controlled. In such a case, the control unit 14 of the facility data transmitting station 500 determines that the type of the facility is
In the case where the type of the facility indicated by the identification code included in the facility data stored in the own facility data transmitting station 500 matches, the facility data stored in the database 15 further includes the data from the current position. The distance is within a predetermined range (for example, within a radius of 3 km),
Also, the transceiver 1 transmits facility data located within a predetermined angle range (for example, within a range of ± 90 degrees from the traveling direction) with respect to the traveling direction.
3 can be controlled.

Thus, the facility data transmitting station 500
Since the facility data located within a radius of 3 km from the current position of the moving object and within a range of plus or minus 90 degrees from the traveling direction of the moving object will be transmitted, useful facility data is transmitted. While transmitting, the amount of facility data to be transmitted can be further reduced, and the transmission time can be further reduced.

In the present embodiment, the transceiver 13 of the facility data transmitting station 500 has a function of scrambling the facility data to be transmitted for eavesdropping prevention, and the transceiver 18 of the navigation device 600 cancels the scrambling. May be provided.

Thus, it is possible to prevent the facility data from being obtained unless the navigation device 600 having the transceiver 18 having the descrambling function is used.

Next, a fourth embodiment of the present invention will be described with reference to FIG.

FIG. 8 is a block diagram of an information transmission display system to which the navigation device according to the fourth embodiment of the present invention is applied.

In FIG. 8, reference numeral 500 denotes a facility data transmitting station, and 700 denotes a navigation device installed on a mobile body.

As shown in FIG. 8, the facility data transmitting station 50
0 is the transceiver 13, the control means 14, the database 1
5, a transmission / reception antenna 16 is provided. Further, the navigation device 700 includes an analyzing unit 5, a position measuring unit 6,
A control unit 7, a reading unit 8, a map data storing unit 9, a drawing unit 10, a display unit 11, an input unit 12, a transmitting / receiving antenna 17, a transceiver 18, a data storing unit 19, and a route calculating unit 20 are provided. ing. Although FIG. 8 shows only one facility data transmission station 500 for one navigation device 700, there are actually a plurality of facility data transmission stations.

The present embodiment is different from the third embodiment in that the navigation device 700 is further provided with a route calculating means 20.

In this embodiment, as described in the second embodiment, one facility data transmitting station 500
Description will be made assuming that one type of facility data is stored in the database 15. That is, the database 15 stores facility data indicating information on facilities of the same type among facilities located within a predetermined range (for example, within a radius of several kilometers) from the facility data transmitting station 500. ing. The structure of the facility data is
This is as described in the first embodiment.

In the navigation device 700, the input means 12 allows the user of the navigation device 700 to
You can enter the destination.

[0095] When the user of the navigation device 700 inputs a destination using the input means 12, the destination is passed to the control means 7. Further, the position measuring means 6
The current position of the moving object is measured, and the current position is passed to the control means 7.

The internal structure of the control means 7 is the same as that of the second
As described in the embodiment.

Now, the control means 7 outputs the position measurement means 6 out of the map data stored in the map data storage means 9.
The control unit 71 reads out the map data including the current position measured by the user and the destination input by the user.
The reading means 8 is controlled by the control. The reading means 8 reads out the map data including the current position measured by the position measuring means 6 and the destination inputted by the user from the map data stored in the map data storage means 9, Drawing means 10 and route calculation means 20
Pass to.

The control section 7 controls the route calculation section 20 by the control section 71 so as to calculate a route from the current position measured by the position measurement section 6 to the destination input by the user. The route calculation means 20
The route from the current position measured by the position measuring means 6 to the destination input by the user is calculated, and the route is passed to the drawing means 10.

The drawing means 10 can combine the current position measured by the position measuring means 6, the map data read by the reading means 8 and the route calculated by the route calculating means 20 and display them on the display means 11. And converts the display data to display means 11. Display means 11
Displays the display data converted by the drawing means 10.

Thus, the display means 11 displays the map data including the current position of the moving object and the destination input by the user, and further displays the current position and the route from the current position to the destination. Is displayed.

In the navigation device 700, as described in the first embodiment, the input unit 12 allows the user of the navigation device 700 to select one or more types of desired facilities whose location or the like is to be known. You can give instructions.

When the user of the navigation device 700 uses the input unit 12 to select and instruct the type of the desired facility, the type of the facility is passed to the control unit 7. When the user instructs the selection of the type of facility, the control means 7 controls the transceiver 20 by the control unit 71 so as to transmit the type of facility. The transceiver 20 transmits the facility type selected and instructed by the user via the transmission / reception antenna 17.

In the facility data transmitting station 500, when the transceiver 13 receives the type of facility transmitted from the navigation device 700 via the transmitting / receiving antenna 16, it passes the type of facility to the control means 14.

If the type of facility received by the transceiver 13 matches the type of facility indicated by the identification code included in the facility data stored in the own facility data transmitting station 700, The transceiver 13 is controlled to transmit the facility data stored in the database 15. The transceiver 13 transmits the facility data stored in the database 15 via the transmission / reception antenna 16. Here, the transceiver 13 can scramble the eavesdropping data on the facility data to be transmitted.

In the navigation apparatus 700, when the transceiver 18 receives the facility data transmitted from the facility data transmitting station 500 via the transmitting / receiving antenna 17, the transceiver 18 stores the facility data in the data storage unit 19. When the facility data transmitting station 500 transmits the facility data with scrambling for eavesdropping prevention, the transceiver 18 cancels the scrambling for eavesdropping.

Subsequently, the control means 7 calculates the current position measured by the position measurement means 6, the location data included in the facility data stored in the data storage means 19, and the route calculation means 20. Is compared with the route by the position comparing unit 72, and includes the identification code indicating the type selected and instructed by the user among the facility data stored in the data storage unit 19, and the distance from the current position is The control unit 71 analyzes the facility data within a predetermined range (for example, within a radius of 500 meters) and the facility data located within a predetermined range (for example, within a radius of 100 meters) from the route. The analysis unit 5 is controlled.

The analyzing means 5 includes an identification code indicating the type selected and instructed by the user among the facility data stored in the data storage means 19, and the analysis data from the current position measured by the position measuring means 6. The facility data whose radius is within 500 meters and whose distance from the route calculated by the route calculating means 20 is within a radius of 100 meters is analyzed, and the facility data is passed to the drawing means 10.

The drawing means 10 includes a current position measured by the position measuring means 6, map data read by the reading means 8, a route calculated by the route calculating means 20,
The facility data analyzed by the analysis means 5 is combined, converted into display data that can be displayed on the display means 11, and the display data is passed to the display means 11. The display means 11 displays the display data converted by the drawing means 10.

As a result, the display means 11 displays information on facilities located along the route from the current position of the moving object to the destination input by the user.

By giving an instruction using the input means 12, a list of facility data stored in the data storage means 19 can be displayed on the display means 11.

As described above, according to the present embodiment, the user of the navigation device 700 can determine the current position of the moving object,
In addition, it is possible to know a route from the current position to the destination input by the user, and to obtain information on a desired type of facility located at a location along the route.

In the navigation device 700, the input means 12 may enable the user of the navigation device 700 to input a user ID for identifying the user. If the control unit 71 controls the transceiver 18 by the control unit 71 so as to transmit the user ID input by the user, the facility data transmitting station 500 identifies the user by the user ID, For example, a user ID can be used for charging, such as automatically deducting a usage fee from a bank account or the like registered in advance by a user.

In the present embodiment, the control means 7 of the navigation device 700 controls the location data contained in the facility data stored in the data storage means 19, the current position of the moving body, and the progress of the moving body. The direction and the route calculated by the route calculating means 20 are compared by the position comparing unit 72, and the facility data stored in the data storage means 19 has a distance from the current position within a predetermined range. (For example, within a radius of 500 meters) and within a predetermined angle range with respect to the traveling direction (for example, within ± 90 degrees from the traveling direction),
In addition, the analysis unit 5 may be controlled by the control unit 71 so as to analyze facility data whose distance from the route is within a predetermined range (for example, within a radius of 100 m).

As a result, the display means 11 displays, on the facilities of the type selected and instructed by the user, a distance from the current position of the mobile object within a radius of 500 meters and a plus or minus 90 degrees from the traveling direction of the mobile object. Information about facilities that are located within the range and that are located within a radius of 100 m from the route from the current position of the moving object to the destination input by the user will be displayed.

In the present embodiment, the control means 7 of the navigation device 700 may control the transceiver 18 so as to transmit the current position of the moving object together with the type of facility selected and instructed by the user. In this case, the control means 1 of the facility data transmitting station 500 is often used.
If the type of the facility matches the type of the facility indicated by the identification code included in the facility data stored in the own facility data transmitting station 500, the database 1
The transmitter / receiver 13 is controlled so as to transmit facility data whose facility distance from the current position is within a predetermined range (for example, within a radius of 3 km) of the facility data stored in the storage unit 5. can do.

As a result, the facility data transmitting station 500
Since facility data whose distance from the current position of the moving object is within a radius of 3 km is transmitted, the amount of facility data to be transmitted can be reduced while transmitting useful facility data, and the transmission time can be reduced. Can be shortened.

In this embodiment, the control means 7 of the navigation device 700 causes the control unit 71 to transmit and receive the current position and the traveling direction of the moving object together with the type of facility selected and instructed by the user. May be controlled. In such a case, the control unit 14 of the facility data transmitting station 500 determines that the type of the facility is
In the case where the type of the facility indicated by the identification code included in the facility data stored in the own facility data transmitting station 500 matches, the facility data stored in the database 15 further includes the data from the current position. The distance is within a predetermined range (for example, within a radius of 3 km),
Also, the transceiver 1 transmits facility data located within a predetermined angle range (for example, within a range of ± 90 degrees from the traveling direction) with respect to the traveling direction.
3 can be controlled.

As a result, the facility data transmitting station 500
Since the facility data located within a radius of 3 km from the current position of the moving object and within a range of plus or minus 90 degrees from the traveling direction of the moving object will be transmitted, useful facility data is transmitted. While transmitting, the amount of facility data to be transmitted can be further reduced, and the transmission time can be further reduced.

Next, a fifth embodiment of the present invention will be described with reference to FIG.

FIG. 9 is a configuration diagram of an information transmission display system to which the navigation device according to the fifth embodiment of the present invention is applied.

In FIG. 9, 800 is a facility data transmitting station, and 600 is a navigation device installed on a mobile body.

As shown in FIG. 9, the facility data transmitting station 80
0 is a transceiver 13, a control means 14, a database 15
-1 to 15-n, and a transmitting / receiving antenna 16 is provided.
The navigation device 600 includes an analyzing unit 5, a position measuring unit 6, a control unit 7, a reading unit 8, a map data storing unit 9, a drawing unit 10, a display unit 11, an input unit 12,
The configuration includes a transmitting / receiving antenna 17, a transceiver 18, and a data storage unit 19. Although FIG. 9 shows only one facility data transmitting station 800 for one navigation device 600, there are actually a plurality of facility data transmitting stations 800.

This embodiment is different from the third embodiment in that the facility data transmitting station 800 stores all types of facility data in the database 15- instead of one type of facility data.
1 to 15-n.

In this embodiment, the facility data is divided for each type of facility, and
15-n. The structure of the facility data is as described in the first embodiment.

In the navigation device 600, as described in the first embodiment, the input means 12 instructs the user of the navigation device 600 to select one or more types of desired facilities whose location or the like is desired to be known. You can do it.

When the user of the navigation device 600 uses the input unit 12 to select and instruct the type of a desired facility, the type of the facility is passed to the control unit 7. Further, the position control means 6 measures the current position of the moving body and passes the current position to the control means 7.

The internal structure of the control means 7 is the same as that of the second
As described in the embodiment.

When the user instructs the type of facility, the control means 7 controls the transceiver 18 by the control unit 71 so as to transmit the type of facility. The transceiver 18 transmits the facility type selected and instructed by the user via the transmission / reception antenna 17.

In the facility data transmitting station 800, when the transceiver 13 receives the type of facility transmitted from the navigation device 600 via the transmitting / receiving antenna 16, it passes the type of facility to the control means 14.

The control means 14 includes databases 15-1 to 15-1.
15-n, a database 15-i storing facility data corresponding to the type of facility received by the transceiver 13 is obtained, and the facility data stored in the database 15-i is transmitted. The transceiver 13 is controlled. The transceiver 13 passes through the transmitting / receiving antenna 16
The facility data stored in the database 15-i obtained by the control means 14 is transmitted. Here, the transceiver 13 can scramble the eavesdropping data on the facility data to be transmitted.

In the navigation device 600, when the transceiver 18 receives the facility data transmitted from the facility data transmitting station 800 via the transmitting / receiving antenna 17, the facility data is stored in the data storage unit 19. If the facility data transmitting station 800 transmits the facility data with scrambling for eavesdropping prevention, the transceiver 18 cancels the scrambling for eavesdropping.

Subsequently, the control means 7 compares the current position measured by the position measurement means 6 with the location data included in the facility data stored in the data storage means 19.
The location comparison unit 72 compares the facility data stored in the data storage unit 19 with an identification code indicating the type selected and instructed by the user, and the distance from the current location is a predetermined range. Inside (for example, radius 5
The analysis unit 5 is controlled by the control unit 71 so as to analyze facility data located within 00 meters. Also,
The control unit 7 controls the reading unit 8 by the control unit 71 so as to read out, from the map data stored in the map data storage unit 9, the map data centered on the current position measured by the position measurement unit 6. I do.

The reading means 8 reads out, from the map data stored in the map data storage means 9, the map data having the current position measured by the position measuring means 6 as the center, and draws the map data. Pass to. In addition, the analysis unit 5 includes an identification code indicating the type selected and instructed by the user among the facility data stored in the data storage unit 19, and the distance from the current position measured by the position measurement unit 6. Analyzes facility data located within a 500 km radius and passes the facility data to the drawing means 10. Further, the control means 7 passes the current position measured by the position measuring means 6 to the drawing means 10.

The drawing means 10 can combine the current position measured by the position measuring means 6, the map data read by the reading means 8 and the facility data analyzed by the analyzing means 5 and display them on the display means 11. To display data
The display data is passed to the display means 11. The display means 11
The display data converted by the drawing means 10 is displayed.

As a result, the display means 11 displays information about facilities of the type selected and instructed by the user, the facilities located within a radius of 500 meters from the current position of the moving object. .

By giving an instruction using the input unit 12, a list of facility data stored in the data storage unit 19 can be displayed on the display unit 11.

As described above, according to the present embodiment, the user of the navigation device 600 can know the current position of the moving object, and can obtain the distance from the current position of the moving object among desired types of facilities. Can obtain information on facilities located within a radius of 500 meters.

[0138] In the navigation device 600, the input means 12 may allow a user of the navigation device 600 to input a user ID for identifying the user. If the control unit 71 controls the transceiver 18 so as to transmit the user ID input by the user, the facility data transmitting station 800 identifies the user by the user ID, For example, a user ID can be used for charging, such as automatically deducting a usage fee from a bank account or the like registered in advance by a user.

Further, in the present embodiment, the control means 7 of the navigation device 600 determines the current position of the moving object, the traveling direction of the moving object, and the location included in the facility data stored in the data storage means 19. The data and the data are compared by the position comparing unit 72, and the facility data stored in the data storage unit 19 is located within a predetermined range (for example, within a radius of 500 meters) from the current position. The control unit 71 controls the analysis unit 5 to analyze facility data located within a predetermined angle range with respect to the traveling direction (for example, within a range of ± 90 degrees from the traveling direction). You may do so.

As a result, the display means 11 displays, among the facilities of the type selected and instructed by the user, the distance from the current position of the moving body is within a radius of 500 meters and the moving direction of the moving body is positive. Information on facilities located within the range of minus 90 degrees is displayed.

In this embodiment, the control means 7 of the navigation device 600 controls the transceiver 18 by the control unit 71 so as to transmit the current position of the mobile unit together with the type of facility selected and instructed by the user. In such a case, the facility data transmitting station 8
00, the control means 14 includes databases 15-1 to 15-
n, a database 15-i storing facility data corresponding to the type of the facility is obtained, and the distance from the current position in the facility data stored in the database 15-i is determined in advance. Within a certain range (for example,
The transceiver 13 can be controlled to transmit facility data located within a radius of 3 km).

Thus, the facility data transmitting station 800
Since facility data whose distance from the current position of the moving object is within a radius of 3 km is transmitted, the amount of facility data to be transmitted can be reduced while transmitting useful facility data, and the transmission time can be reduced. Can be shortened.

In the present embodiment, the control means 7 of the navigation device 600 causes the control unit 71 to transmit and receive the current position and the traveling direction of the moving body together with the type of facility selected and instructed by the user. May be controlled. In such a case, the control means 14 of the facility data transmitting station 800 controls the database 15
A database 15-i storing facility data corresponding to the type of the facility is obtained from -1 to 15-n, and the current position is obtained from the facility data stored in the database 15-i. Is within a predetermined range (for example, within a radius of 3 km) and within a predetermined angle range with respect to the traveling direction (for example, within a range of ± 90 degrees from the traveling direction). The transceiver 13 can be controlled so as to transmit the facility data located at the position (1).

Thus, the facility data transmitting station 800
Since the facility data located within a radius of 3 km from the current position of the moving object and within a range of plus or minus 90 degrees from the traveling direction of the moving object will be transmitted, useful facility data is transmitted. While transmitting, the amount of facility data to be transmitted can be further reduced, and the transmission time can be further reduced.

Next, a sixth embodiment of the present invention will be described with reference to FIG.

FIG. 10 is a block diagram of an information transmission display system according to an embodiment to which the sixth navigation device of the present invention is applied.

In FIG. 10, reference numeral 900 denotes a service center, and 1000 denotes a navigation device installed on a moving body.

[0148] As shown in FIG.
0 is exchange means 21, control means 14, database 15
-1 to 15-n. Further, the navigation device 1000 includes an analyzing unit 5, a position measuring unit 6, a control unit 7, a reading unit 8, a map data storing unit 9, and a drawing unit 1.
0, display means 11, input means 12, transmitting / receiving antenna 1
7, a data storage means 19, and a wireless telephone 22. In FIG. 10, one facility data transmitting station 900 is provided for one navigation device 1000.
Although only one is shown, there may be more than one.

The navigation apparatus 1000 incorporates / connects the radio telephone 22. When a call is made from the radio telephone 22 to the service center 900, the radio telephone 22 and the service center 90 are exchanged via the base station and the exchange.
0 can be connected to a line.

The service center 900 stores all types of facility data in the databases 15-1 to 15-n. In this embodiment, the service center 900 divides facility data for each type of facility and stores the data in the databases 15-1 to 15-n. The structure of the facility data is as described in the first embodiment.

In the navigation device 1000,
As described in the first embodiment, the input unit 12
The user of the navigation apparatus 1000 can select and instruct one or more types of desired facilities whose location or the like is desired to be known.

The user of the navigation device 1000
When a desired facility type is selected and instructed using the input unit 12, the type of the facility is passed to the control unit 7. Also,
The position control means 6 measures the current position of the moving object and passes the current position to the control means 7.

The internal structure of the control means 7 is the same as that of the second
As described in the embodiment.

When the user selects and instructs the type of facility, the control means 7 displays the type of facility and the current position measured by the position measuring means 6 at the service center 90.
The wireless telephone 22 is controlled by the control unit 71 so as to transmit the data to 0. The wireless telephone 22 makes a call to the service center 900 based on the telephone number of the service center 900 registered in advance, and when a line with the service center 900 is connected,
The type of facility selected and instructed by the user and the current position measured by the position measuring means 6 are transmitted.

In service center 900, upon receiving the type of facility and the current location transmitted from wireless telephone 22, exchange means 21 passes the type of facility and the current location to control means 14.

The control means 14 includes databases 15-1 to 15-1.
15-n, a database 15-i storing facility data corresponding to the type of facility received by the exchange means 21 is obtained, and among the facility data stored in the database 15-i, the exchange means 21 is within a predetermined range (e.g.,
The exchange unit 21 is controlled so that facility data located within a radius of 3 km is transmitted to the wireless telephone 22. The exchange unit 21 has a distance from the facility data stored in the database 15-i obtained by the control unit 14, the distance from the current position received by the exchange unit 21 to the radius 3.
Facility data located within kilometers are transmitted to
Send to

In the navigation device 1000,
When receiving the facility data transmitted from the service center 900 via the transmitting / receiving antenna 17, the wireless telephone 22 disconnects the line with the service center 900 and stores the facility data in the data storage unit 19.

Subsequently, the control means 7 compares the current position measured by the position measurement means 6 with the location data contained in the facility data stored in the data storage means 19.
The location comparison unit 72 compares the facility data stored in the data storage unit 19 and analyzes facility data whose distance from the current position is within a predetermined range (for example, within a radius of 500 meters). The analysis unit 5 is controlled by the control unit 71 so as to perform the operation. The control means 7
Controls the reading unit 8 by the control unit 71 so as to read out the map data having the current position measured by the position measuring unit 6 as the center of the map data stored in the map data storing unit 9.

The reading means 8 reads out, from the map data stored in the map data storing means 9, map data having the current position measured by the position measuring means 6 as a center, and draws the map data. Pass to. The analyzing means 5 analyzes the facility data of which the distance from the current position measured by the position measuring means 6 is within a radius of 500 meters, from the facility data stored in the data storage means 19. The data is passed to the drawing means 10. Further, the control means 7 passes the current position measured by the position measuring means 6 to the drawing means 10.

The drawing means 10 can combine the current position measured by the position measuring means 6, the map data read by the reading means 8 and the facility data analyzed by the analyzing means 5 and display them on the display means 11. To display data
The display data is passed to the display means 11. The display means 11
The display data converted by the drawing means 10 is displayed.

As a result, the display means 11 displays information on facilities of a type selected and instructed by the user and located within a radius of 500 meters from the current position of the moving object. .

By giving an instruction using the input means 12, a list of facility data stored in the data storage means 19 can be displayed on the display means 11.

As described above, according to the present embodiment, the user of the navigation device 1000 can know the current position of the moving object, and can select a desired type of facility among the facilities.
Information about facilities located within a radius of 500 meters from the current position of the moving object can be obtained.
In addition, the service center 900 transmits facility data whose distance from the current position of the moving object is within a radius of 3 km. Therefore, while transmitting useful facility data, the amount of facility data to be transmitted is reduced. Transmission time can be shortened.

In this embodiment, the wireless telephone 22
And the service center 900 are connected by a line,
Of the service center 9
In the case of 00, there is no need to scramble for tapping the facility data to be transmitted.

In the navigation device 1000, the input means 12 may allow the user of the navigation device 1000 to input a user ID for identifying the user.
The control unit 7 of the navigation device 1000 controls the wireless telephone 22 by the control unit 71 so as to transmit the user ID input by the user to the service center 900. , For example, to determine whether or not the user can enjoy the service,
In addition, for example, the usage fee is automatically deducted from a bank account or the like registered by the user in advance,
The user ID can be used to determine validity or to charge.

In the present embodiment, the control means 7 of the navigation device 1000 determines the current position of the moving object, the traveling direction of the moving object, and the location included in the facility data stored in the data storage means 19. The data is compared with the data by the position comparing unit 72, and the facility data stored in the data storage unit 19 has a distance from the current position within a predetermined range (for example, within a radius of 500 meters).
The control unit 71 analyzes the facility data 5 so as to analyze facility data that is located at a predetermined angle range (for example, within a range of plus or minus 90 degrees from the traveling direction) with respect to the traveling direction. May be controlled.

Thus, the display means 11 indicates that the distance from the current position of the moving object is within a radius of 500 meters, and that the distance from the moving direction of the moving object is positive among the facilities of the type selected by the user. Information on facilities located within the range of minus 90 degrees is displayed.

In the present embodiment, the control means 7 of the navigation device 1000 transmits the traveling direction of the moving body to the service center 900 together with the type of facility selected by the user and the current position of the moving body. The control unit 71 may control the wireless telephone 22. In such a case, the control unit 14 of the service center 900 uses the facility corresponding to the facility type in the databases 15-1 to 15-n. A database 15-i storing the data is obtained, and further, among the facility data stored in the database 15-i, the distance from the current position is within a predetermined range (for example, a radius of 3).
In order to transmit the facility data to the wireless telephone 22, the facility data is located within a predetermined angle range with respect to the traveling direction (for example, within a range of plus or minus 90 degrees from the traveling direction). The exchange means 21 can be controlled.

As a result, the service center 900 is located within a radius of 3 km from the current position of the moving object and at a distance of ± 9 from the traveling direction of the moving object.
Since the facility data located within the range of 0 degrees is transmitted, the amount of facility data to be transmitted can be further reduced while transmitting useful facility data, and the transmission time can be further reduced. .

[0170]

As described above, according to the present invention,
There is an effect that the user of the navigation device installed on the moving body can obtain information on facilities such as a gas station, a restaurant, and a parking lot.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an information transmission display system according to a first embodiment.

FIG. 2 is a configuration diagram of facility data.

FIG. 3 is an explanatory diagram showing a display example of a display unit.

FIG. 4 is an explanatory diagram showing an example of an input unit.

FIG. 5 is a configuration diagram of an information transmission and display system according to a second embodiment.

FIG. 6 is an internal configuration diagram of a control unit.

FIG. 7 is a configuration diagram of an information transmission display system according to a third embodiment.

FIG. 8 is a configuration diagram of an information transmission and display system according to a fourth embodiment.

FIG. 9 is a configuration diagram of an information transmission display system according to a fifth embodiment.

FIG. 10 is a configuration diagram of an information transmission display system according to a sixth embodiment.

[Explanation of symbols]

100: facility, 200, 400, 600, 700, 10
00 navigation device, 300, 500, 800
Facility data transmission station, 900 service center, 1 transmitter, 2 transmission antenna, 3 reception antenna, 4 receiver, 5 analysis means, 6 position measurement means, 7, 14 control means, 8 reading means, 9 map data storage means, 10
... drawing means, 11 ... display means, 12 ... input means, 13,
18 ... Transceiver, 15 ... Database, 16, 17 ... Transceive antenna, 19 ... Data storage means, 20 ... Route calculation means, 21 ... Exchange means, 22 ... Wireless telephone, 71 ... Control unit, 72 ... Position comparison unit.

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Gozo Sato 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Pref. JP-A-5-46089 (JP, A) JP-A-4-261576 (JP, A) JP-A-5-89399 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G08G 1 / 0969 G01C 21/00 G09B 29/00-29/10

Claims (3)

(57) [Claims] 1. A navigation device installed on a moving body.
In, receiving the facility data indicating at least the facility type and location
Receiving means for receiving, and among the facility data received by the receiving means, display
And processing means for analyzing and processing should do facility data, a map data storage means for storing map data, a position measuring means for measuring the current position of the moving object, the map stored in the map data storage means Data
Of which includes the current position measured by the position measurement
Reading means for reading map data, first input means for inputting a destination of the moving object, map data including the input destination and the current position
Route calculating means for obtaining a route based on the map data read by the reading means;
The current position measured by the measuring means and the calculated
And the facility data analyzed and processed above.
Te, a drawing means for creating the display contents, the display for displaying the display contents created by the rendering means
Means, a second input means capable of inputting a type of facility, and a facility type input by the second input means.
Send to the service center that stores the setting data
Means, and the receiving means is provided when transmission by the transmitting means is performed.
In this case, the facility data corresponding to the type of facility sent above
A navigation device for receiving a navigation message. 2. The navigation device according to claim 1,
And the second input means is a user of the navigation device.
User identification information to identify the user
And the transmitting means indicates the type of the facility by the service center.
User ID entered by the input means when sending to
Information is also transmitted to the service center via the switching network
A navigation device characterized in that the navigation device is configured to: 3. The method according to claim 1, wherein
De storing fraud and mitigating risk facility data received by said receiving means to a navigation device
Data receiving means, and a wireless telephone is used as the receiving means.
Connects to the service center via a switching network,
Receive facility data sent from service center
And the processing means is stored in the data storage means.
Navigator characterized by analyzing facility data
Device.