JP5008620B2 - In-vehicle device, navigation system, and control method thereof - Google Patents

Description

  The present invention relates to an in-vehicle device, a navigation system, and a control method thereof, and particularly to an in-vehicle device, a navigation system, and a control method thereof that transmit a destination from the in-vehicle device to a portable device.

  In-vehicle navigation that performs navigation to a destination is widely used. In-vehicle navigation recognizes the current location by a GPS (Global Positioning System) receiver and guides the vehicle to a destination. In addition, a navigation device that includes a GPS receiver in a portable device such as a cellular phone and guides the user to a destination is also used.

A navigation system has been developed in which information such as a destination is transferred from an in-vehicle device to a portable device, and the user can be guided to the destination using the portable device even when the user is away from the vehicle. Patent Document 1 discloses a system that transfers a route search result from an in-vehicle device (in-vehicle navigation device) to a portable device (mobile navigation device). Patent Document 2 discloses a system for transferring navigation information from an in-vehicle device (navigation device) to a portable device (portable information storage / reproduction device). Patent Document 3 discloses a system for transmitting geographic information of a destination from an in-vehicle device (in-vehicle navigation device) to a portable device (cellular phone) when the engine is stopped at a predetermined distance from the destination. .
JP 2002-181555 A JP-A-9-81885 JP 2007-256137 A

  According to these systems, after the vehicle-mounted device guides the vehicle to a parking lot near the destination and the user gets off the vehicle, the portable device can guide the user to the destination by walking. In patent documents 1 to 3, information such as a destination is transferred from the in-vehicle device to the portable device before the user gets off the vehicle. However, for example, in a system that determines that the user has got off when communication from the vehicle to the portable device is interrupted, information can be transferred from the in-vehicle device to the portable device after determining that the user has got off the vehicle. Can not. When the engine is stopped as in Patent Document 3, in a system that transfers information from the in-vehicle device to the portable device, power is supplied to the in-vehicle device for a certain time after the engine is stopped.

  The in-vehicle device, the navigation system, and the control method thereof have been made in view of the above problems, and an object thereof is to appropriately transmit information such as a destination from the in-vehicle device to the portable device.

The in-vehicle device corresponds to a vehicle guidance unit that guides the vehicle to a first destination that is the destination of the vehicle, and the vehicle guidance unit that is the user's destination in response to the vehicle guidance unit starting guidance of the vehicle. Two transmission means for transmitting information about the destination to the portable device ;
And the transmitting means is based on position information output by position detecting means included in the portable device, map information stored in storage means included in the portable device, and information on the second destination. Information on the second destination is transmitted to the portable device that guides the user . According to this structure, the information regarding the 2nd destination which is the destination which a portable device guides a user can be appropriately transmitted from an in-vehicle device to a portable device. Therefore, it can suppress that the information of a 2nd destination cannot be transmitted to a portable apparatus. Or it can suppress sending the information on the 2nd destination to a portable device uselessly.

  The said structure WHEREIN: It can be set as the structure which comprises the destination setting means which sets the said 1st destination (for example, parking lot around a final destination) and the said 2nd destination (for example, final destination). . According to this configuration, since the second destination is set in the in-vehicle device, even when the portable device does not have information regarding the second destination, the information regarding the second destination can be appropriately transmitted to the portable device. .

  In the above configuration, the destination setting means sets the destination as the second destination when a parking lot around the destination is selected as a new destination after the destination is selected by the user. In addition, the new destination is set as the first destination, and when the parking lot around the destination is not selected as the new destination, the destination is set as the first destination and the second destination. It can be configured. When the position set by the user as the destination of the vehicle is a parking lot, the second destination is often different from the first destination. According to this configuration, the second destination can be set separately from the first destination. On the other hand, when the first destination is other than the parking lot, the second destination is often the same as the first destination. According to this configuration, the first destination can be the second destination.

  In the above configuration, the mobile device may be a mobile phone.

The present navigation system corresponds to a vehicle guidance means for guiding a vehicle to a first destination which is a destination of the vehicle, and information on the second destination corresponding to the vehicle guidance means starting guidance of the vehicle. An in-vehicle device including: a transmission unit that transmits the information to the portable device; and the portable device that guides the user to the second destination. The transmission unit includes a position detection unit included in the portable device. Information related to the second destination is transmitted to the portable device that guides the user based on the position information to be output, the map information stored in the storage means included in the portable device, and the information related to the second destination. characterized in that it. According to this structure, the information regarding the second destination can be appropriately transmitted from the in-vehicle device to the portable device.

The navigation system control method is a navigation system control method including a portable device and an in-vehicle device, wherein the in-vehicle device guides the vehicle to a first destination which is the destination of the vehicle; In response to the device starting guiding the vehicle, transmitting information about a second destination from the in-vehicle device to the portable device; and guiding the user to the second destination by the portable device; only including the step of transmitting information on said second destination from the vehicle device to the portable device, the portable device position information position detecting means outputs contained in, stored in a storage means included in the portable device The information about the second destination is transmitted to the portable device that guides the user based on the map information being made and the information about the second destination. Characterized in that it is a step. According to this structure, the information regarding the second destination can be appropriately transmitted from the in-vehicle device to the portable device.

  According to this structure, the information regarding the second destination (for example, the final destination) can be appropriately transmitted from the in-vehicle device to the portable device. For example, the first destination (for example, the parking lot around the final destination) ), The engine is stopped before the information about the second destination is transmitted from the in-vehicle device to the portable device, and the information about the second destination cannot be transmitted. It is possible to solve the problem of adding a new configuration for supplying power to the. Therefore, it can suppress that the information of a 2nd destination cannot be transmitted to a portable apparatus. Or it can suppress sending the information on the 2nd destination to a portable device uselessly.

  Embodiments will be described below with reference to the drawings.

  FIG. 1 is a block diagram of the navigation system according to the first embodiment. Referring to FIG. 1, a navigation system 100 includes an in-vehicle device 10 that is an in-vehicle navigation device and a portable device 30 that is, for example, a mobile phone. Information can be transmitted and received between the in-vehicle device 10 and the portable device 30 using, for example, wireless communication 52 such as Bluetooth communication or optical communication such as infrared rays. The portable device 30 can communicate with the center server (CP) 50 via the mobile communication network 54.

  The in-vehicle device 10 includes a control unit 12, a storage unit 14, a GPS receiving unit 16, an interface (IF) unit 24, a human interface (HMI) unit 18, a display unit 20, and an operation unit 22. The storage unit 14 is, for example, a hard disk unit, and stores map information that is information about map data, destination information that is information about destinations, and the like. The storage unit 14 outputs map information and destination information to the control unit 12. The storage unit 14 stores destination information acquired from the control unit 12. The GPS receiving unit 16 recognizes the vehicle position from the GPS signal and outputs information related to the vehicle position to the control unit 12. In addition to the GPS signal, the GPS receiver 16 can recognize the position of the host vehicle using the independent navigation information from the independent navigation unit (not shown). The HMI unit 18 is an interface between the display unit 20 and the operation unit 22 and the control unit 12. The display unit 20 is, for example, a liquid crystal screen, and displays a map or a menu list by a signal from the control unit 12. The operation unit 22 is, for example, a touch panel or a button, and outputs an operation signal to the control unit 12. For example, the menu can be selected by operating the operation unit 22 by the user. The IF unit 24 transmits information acquired from the control unit 12 to the portable device 30. Further, the information received from the portable device 30 is output to the control unit 12.

  The portable device 30 includes a control unit 32, a storage unit 34, a GPS reception unit 36, an IF unit 44, an HMI unit 38, a display unit 40, an operation unit 42, and a telephone IF unit 46. The telephone IF unit 46 is connected to the mobile communication network 54 and transmits / receives information between the control unit 32 and the outside. The control unit 32 can obtain the latest map data and the like from the center server 50 via the mobile communication network 54 and the telephone IF unit 46, for example. The function of each other part is the same as that of the in-vehicle device 10, and the description is omitted.

  FIG. 2 is a flowchart for explaining the operation of the navigation system according to the first embodiment. Referring to FIG. 2, the control unit 32 of the portable device 30 sets a destination based on the input from the operation unit 42 or the destination list stored in the storage unit 34 (step S10). The control unit 32 transmits the destination information to the in-vehicle device 10 via the IF unit 44 (step S12). The control unit 12 of the in-vehicle device 10 acquires destination information via the IF unit 24. When the control unit 12 recognizes the start of travel of the vehicle (step S14), the control unit 12 acquires information on the vehicle position from the GPS reception unit 16 and information on map data from the storage unit 14, and displays the map on the display unit 20. The route to the destination and the destination are displayed, and the vehicle is guided to the destination (step S16). When the control unit 12 recognizes parking of the vehicle (step S <b> 18), the control unit 12 transmits information on the current position to the mobile device 30 via the IF unit 24. The control unit 32 of the portable device 30 acquires information on the current position via the IF unit 44. The control unit 32 guides the user to the destination as with the control unit of the in-vehicle device 10 (step S22). The control part 32 will complete | finish guidance, if the arrival to the destination is recognized (step S24).

  As described above, in the navigation system according to the first embodiment, destination information and information on the current position are communicated between the mobile device 30 and the in-vehicle device 10. Thereby, the vehicle-mounted device 10 can guide the vehicle to the destination set by the portable device 30. In addition, after parking the vehicle, the mobile device 30 can guide the user to the destination.

  FIG. 3 is an example of another operation of the navigation system according to the first embodiment. With reference to FIG. 3, the control part 12 of the vehicle-mounted apparatus 10 sets a destination (step S11). The vehicle is guided as in FIG. 2 (steps S14 to S18). The control unit 12 transmits the destination information to the portable device 30 via the IF unit 24 (step S26 or S28). The portable device 30 guides the user as in FIG. 2 (steps S22 and S24). Thus, the destination can be set by the in-vehicle device 10. In the case of the operation in FIG. 3, since the destination is not set by the portable device 30, it is required to appropriately transmit the destination information from the in-vehicle device 10 to the portable device 30. When the destination information is transmitted after the vehicle is parked as in step S28 of FIG. 3, it is difficult to determine whether or not the user has got off the vehicle. Therefore, in the first embodiment, the destination information is transmitted to the portable device 30 in response to the in-vehicle device 10 starting the guidance of the vehicle (step S26).

  Hereinafter, an example in which the destination information is appropriately transmitted from the in-vehicle device 10 to the portable device 30 will be described.

  FIG. 4 is a functional block diagram of the in-vehicle device 10. The control unit 12 and the like of the in-vehicle device 10 function as the destination setting unit 60, the vehicle guide unit 62, and the transmission unit 64. The storage unit 14 functions as the storage unit 70. The storage means 70 stores map information that is information relating to map data, a destination list that may be selected as a destination, a parking lot list around the destination, and the like. The destination setting means 60 sets the first destination and the second destination based on the map information stored in the storage means 70. The first destination is a destination of the vehicle, for example, a parking lot near the user's final destination. The second destination is the user's final destination. The first destination and the second destination may be the same. The information on the first destination and the second destination includes, for example, information on the latitude, longitude, and height of the first destination, and may include an address, a telephone number, a facility name, and the like. The destination setting means 60 causes the storage means 70 to store information relating to the first destination and the second destination.

  The vehicle guidance means 62 guides the vehicle to the first destination based on the information on the vehicle position output from the GPS receiver 16, the map information in the storage means 70 and the information on the first destination. The transmission unit 64 acquires information about the second destination from the storage unit 70, and transmits information about the second destination to the portable device 30 via the IF unit 24 in response to the vehicle guide unit 62 starting guidance. To do.

  FIG. 5 is a functional block diagram of the portable device 30. The control unit 32 and the like of the portable device 30 function as the receiving unit 80 and the user guide unit 82. The storage unit 34 functions as the storage unit 90. The storage means 90 stores map information and the like. The receiving unit 80 acquires information on the second destination via the IF unit 44. The user guidance unit 82 guides the user to the second destination based on the information on the vehicle position output from the GPS receiver 36, the map information in the storage unit 90, and the information on the second destination.

  6 to 9 are flowcharts showing the operation of the in-vehicle device 10. This mainly corresponds to steps S14 and S26 in FIG. FIG. 10A to FIG. 10C are diagrams showing screens displayed on the display unit 20. FIG. 11A to FIG. 11C are diagrams showing each piece of information stored in the storage unit 70. Referring to FIG. 6, destination setting means 60 determines whether to perform POI (position information) search (step S30). When the user turns on the POI search switch using the operation unit 22, the destination setting unit 60 determines to perform the POI search.

  In the case of Yes, referring to FIG. 7, the destination setting means 60 searches the POI position from the destination list in the storage means 70, and selects the POI position (for example, POI position X) to be aimed (step S50). ). This POI position is the position that the user will ultimately make as the destination, and is the position that should become the second destination. Referring to FIG. 7, destination setting means 60 displays a map near POI position X (step S52). The destination setting means 60 clears the previous first destination and second destination on the map displayed by the display unit 20 (step S54). The destination setting means 60 displays the POI position X on the map displayed on the display unit 20 (step S56). Referring to FIG. 10A, the display unit 20 displays the POI position X on the map with a symbol such as X, for example. End and return to step S30.

  Referring to FIG. 6, if the answer is No in step S30, the destination setting means 60 determines whether to search for a parking lot (step S32). For example, when the user touches the display of “Nearby parking lot” on the screen of FIG. 10A, the destination setting means 60 determines to search for a parking lot. In the case of Yes, referring to FIG. 8 and FIG. 11A, the destination setting unit 60 stores the POI position X in the storage unit 70 as the selected POI position (step S60). With reference to FIG. 8 and FIG. 10B, the destination setting unit 60 acquires the parking lot list near the POI position X from the storage unit 70, and displays the parking lot list on the display unit 20 (step S62). When the user touches one of the parking lot lists on the screen of FIG. 10B, the touched parking lot is selected. For example, a parking lot at the parking lot position Y is selected. With reference to FIG. 8 and FIG. 10 (c), the destination setting means 60 acquires the map information around the selected parking lot from the storage means 70, and displays the map on the display unit 20 (step S64). The parking lot position Y is displayed with a symbol such as P, for example. With reference to FIG. 8 and FIG. 11A, the destination setting means 60 stores the parking lot position Y in the storage means 70 as the selected parking lot position (step S66). End and return to step S30.

  Referring to FIG. 6, in the case of No in step S <b> 32, the destination setting unit 60 determines whether the map displayed on the display unit 20 has been scrolled (step S <b> 34). The user can operate the operation unit 22 and scroll the map to set the destination. In the case of Yes, the destination setting means 60 clears the POI position X and the parking lot position Y (step S40). End and return to step S30.

  Referring to FIG. 6, in the case of No in step S <b> 34, the destination setting unit 60 determines to set the destination (step S <b> 36). For example, when the user touches the display of a new destination on the screen of FIG. 10C, the destination setting means 60 determines whether to set the destination. In the case of Yes, with reference to FIG. 9, the destination setting means 60 sets the 1st destination which is the destination of a vehicle (step S70). For example, the position of the cursor + on the map when the user touches the display of the new destination on the screen of FIG. 10C is set as the first destination. The destination setting means 60 determines whether the first destination is the parking lot position Y (step S72). In the case of Yes, the destination setting means 60 sets the POI position (for example, POI position X) selected in step S50 as the second destination (step S76). In the case of No, the destination setting means 60 sets the first destination as the second destination (step S74). The destination setting means 60 stores the first destination and the second destination in the storage means 70 (step S78). End and return to step S30.

  In the case of Yse in step S72 of FIG. 9, since the first destination is the parking lot position Y, the user goes off to the POI position X after getting off the vehicle. Therefore, as shown in FIG. 11B, the storage unit 70 stores the parking lot position Y as the first destination and the POI position X as the second destination. In the case of No in step S72, the first destination is a set position Z other than the parking lot position Y. In this case, the user has set a place other than the parking lot. Therefore, as shown in FIG. 11C, the first destination and the second destination have the same set position Z.

  With reference to FIG. 6, in the case of No in step S <b> 36, the vehicle guide means 62 starts guiding the vehicle to the first destination. The transmission means 64 determines whether the vehicle guidance means 62 has started the guidance of the vehicle (step S38). In the case of Yse, the transmission unit 64 causes the IF unit 24 to transmit information related to the second destination to the portable device 30 (step S42). End and return to step S30. If No in step S38, the process returns to step S30.

  According to the first embodiment, as in step S42 of FIG. 6, the transmission unit 64 responds to the fact that the vehicle guidance unit 62 has started guidance of the vehicle, and sends information related to the position of the second destination to the portable device 30. Send. The timing at which the vehicle guidance means 62 starts guidance is the timing at which the user tries to go to the destination. Thereby, the transmission means 64 can transmit the information regarding the position of a 2nd destination to the portable apparatus 30 at the timing with high possibility of guiding a user using the portable apparatus 30. FIG. Therefore, it is possible to prevent the information on the second destination from being transmitted to the mobile device 30. Moreover, it can suppress sending the information of a 2nd destination to the portable apparatus 30 uselessly. Moreover, since the information of the 2nd destination which is a user's final destination is transmitted to the portable device 30, the parking location etc. which are not an original destination are not notified to the portable device 30. FIG.

  In the first embodiment, as in steps S38 and S42 in FIG. 6, immediately after the vehicle guide unit 62 starts guiding the vehicle, the transmission unit 64 transmits information about the second destination to the portable device 30. However, it does not have to be immediately after the transmission means 64 transmits information on the second destination in response to the vehicle guidance means 62 starting the guidance of the vehicle.

  In the first embodiment, the case where the destination setting unit 60 sets the first destination and the second destination as shown in FIG. 3 has been described as an example. However, as shown in FIG. And the second destination may be set by the portable device 30. When the in-vehicle device 10 sets the second destination, the mobile device 30 does not have information regarding the second destination. Therefore, it is preferable to appropriately transmit information related to the second destination to the portable device 30 as in the first embodiment.

  As in steps S50 to S56 in FIG. 7, the destination (POI position) is selected by the user. Thereafter, as in steps S70 to S78 of FIG. 9, when the user selects a parking lot around the destination as a new destination, the destination setting means 60 sets the destination (POI position) as the second destination. A new destination can be set as the first destination while being set as a location (step S74). On the other hand, when the parking lot around the destination is not selected as a new destination by the user, the destination setting means 60 can set the destination (POI position) as the first destination and the second destination. Yes (step S76). When the first destination for guiding the vehicle is a parking lot, the second destination which is the user's final destination is often different from the first destination. Therefore, the second destination can be set separately as in step S50 of FIG. On the other hand, when the first destination for guiding the vehicle is other than the parking lot, the second destination, which is the user's final destination, is often the same as the first destination. Therefore, the first destination can be set as the second destination.

  9 and 11C, in steps S74 and S78, the destination setting means 60 stores the set position Z as the second destination in the storage means 70. As another example, the second destination is not stored in the storage unit 70. In step S42 of FIG. 6, the transmission unit 64 does not store the second destination in the storage unit 70. It is also possible to transmit the set position Z, which is the ground, to the portable device 30 as the second destination.

  In the first embodiment, the mobile phone 30 including the mobile interface 44 through which the mobile device 30 communicates with the mobile communication network has been described as an example. The mobile device 30 may not be a mobile phone.

  The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to such specific embodiments, and various modifications can be made within the scope of the gist of the present invention described in the claims.・ Change is possible.

FIG. 1 is a block diagram of the navigation system according to the first embodiment. FIG. 2 is a flowchart illustrating the operation of the navigation system according to the first embodiment. FIG. 3 is another flowchart illustrating the operation of the navigation system according to the first embodiment. FIG. 4 is a functional block diagram of the in-vehicle device. FIG. 5 is a functional block diagram of the portable device. FIG. 6 is a flowchart (part 1) illustrating the processing of the in-vehicle device. FIG. 7 is a flowchart (part 2) illustrating the processing of the in-vehicle device. FIG. 8 is a flowchart (part 3) illustrating the processing of the in-vehicle device. FIG. 9 is a flowchart (part 4) illustrating the process of the in-vehicle device. FIG. 10A to FIG. 10C are examples showing screens of the display unit. FIG. 11A to FIG. 11C are examples of information stored in the storage unit.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 In-vehicle apparatus 30 Portable apparatus 60 Destination setting means 62 Vehicle guidance means 64 Transmission means 70 Storage means 80 Reception means 82 User guidance means 100 Navigation system

Claims (6)

Vehicle guidance means for guiding the vehicle to a first destination which is the destination of the vehicle;
In response to the vehicle guidance means starting guidance of the vehicle, transmission means for transmitting information related to the second destination which is the user's destination to the portable device ;
Equipped with,
The transmission means guides the user based on position information output by the position detection means included in the portable device, map information stored in the storage means included in the portable device, and information on the second destination. An in-vehicle device , wherein information relating to the second destination is transmitted to the portable device to be performed.   The in-vehicle device according to claim 1, further comprising destination setting means for setting the first destination and the second destination. The destination setting means includes
After a destination is selected by the user, when a parking lot around the destination is selected as a new destination, the destination is set as the second destination and the new destination is set as the first destination. Set as
The in-vehicle device according to claim 2, wherein when a parking lot around the destination is not selected as a new destination, the destination is set as a first destination and a second destination.   The in-vehicle device according to any one of claims 1 to 3, wherein the portable device is a mobile phone. Vehicle guidance means for guiding the vehicle to the first destination which is the destination of the vehicle, and information related to the second destination is transmitted to the portable device in response to the vehicle guidance means starting guidance of the vehicle. An in-vehicle device including a transmission unit;
The portable device for guiding a user to the second destination;
Equipped with,
The transmission means guides the user based on position information output by the position detection means included in the portable device, map information stored in the storage means included in the portable device, and information on the second destination. The navigation system which transmits the information regarding the said 2nd destination to the said portable apparatus to perform . A navigation system control method including a portable device and an in-vehicle device,
The vehicle-mounted device guiding the vehicle to a first destination which is the destination of the vehicle;
In response to the in-vehicle device starting to guide the vehicle, transmitting information related to a second destination from the in-vehicle device to the portable device;
The portable device guiding the user to a second destination;
Only including,
The step of transmitting the information related to the second destination from the in-vehicle device to the portable device includes the position information output by the position detecting means included in the portable device and the map stored in the storage means included in the portable device. A method for controlling a navigation system , comprising: transmitting information related to the second destination to the portable device that guides the user based on the information and information related to the second destination .

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