JP4779956B2 - Communication-type navigation system, vehicle navigation device, and center device - Google Patents

Description

  The present invention relates to a communication navigation system configured such that a vehicle navigation device and a center device can communicate with each other via a communication network, and a vehicle navigation device and a center device used in the communication navigation system.

A user who uses a vehicle navigation device is registered in the vehicle navigation device when, for example, the direction or area that he / she wants to go to is decided but a specific destination is not decided, or when he / she goes to an area where there is no sense of land. You may have trouble choosing one from a number of destinations. On the other hand, in Patent Document 1 below, in a communication type navigation system in which a vehicle navigation device and a center device communicate with each other, the center device counts the number of times a map is viewed by an unspecified number of users with the vehicle navigation device. A configuration is disclosed in which rankings of trending spots are determined (ranked) and the determined rankings are transmitted to the vehicle navigation device (see, for example, Patent Document 1).
JP 2003-323568 A

  However, in what is described in Patent Document 1 described above, since the ranking is determined based on the number of times the unspecified number of users browsed the map, whether or not the unspecified number of users actually visited the site. Is unknown, does not accurately reflect the trend, and does not properly assist the user in selecting a destination.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a communication navigation system, a vehicle navigation device, and a center device that can appropriately assist a user to select a destination. There is.

  According to the communication type navigation system described in claim 1, when the route guidance to the destination is normally completed, the vehicle navigation device transmits destination information indicating the destination for which the route guidance has been normally completed to the center device. The center device holds a search table indicating correspondence between the destination information and the set number of times corresponding to the number of times of receiving the destination information from the vehicle navigation device, and receives the destination information from the vehicle navigation device. The set number of times is updated each time. In addition, when the user sets a search condition, the vehicle navigation device transmits the search condition set by the user to the center device. When the center device receives the search condition from the vehicle navigation device, the vehicle navigation device searches the search table and Destination information corresponding to the search condition is extracted, and if there are a plurality of the extracted destination information, a search result with ranking determined according to the set number of times is transmitted to the vehicle navigation device. And a vehicle navigation apparatus will display the destination setting screen which reflected the search result, if a search result is received from a center apparatus.

  As a result, the center device determines the ranking based on the set number of destinations at which the unspecified number of vehicle navigation devices have successfully completed the route guidance, and the vehicle navigation device determines the ranking received from the center device, that is, Since the ranking of the number of destinations that a specific number of users actually visited is displayed, the user can set the destination with reference to the number of times the destinations that the unspecified number of users actually visited. It is possible to appropriately assist the user in selecting a destination.

Further, when the route guidance to the destination is normally completed , the vehicle navigation device stays at the destination where the route guidance has been normally completed and indicates the time from the power-off to the power-on of the vehicle navigation device. The time is transmitted to the center device, and the center device holds a search table indicating correspondence between the destination information and the average stay time that represents the average stay time received from the vehicle navigation device. Is updated each time the average stay time is received. In addition, when the user sets a search condition, the vehicle navigation device transmits the search condition set by the user to the center device. When the center device receives the search condition from the vehicle navigation device, the vehicle navigation device searches the search table and If the destination information corresponding to the search condition is extracted, and there are a plurality of the extracted destination information, the search result in which the ranking is determined according to the average stay time is transmitted to the vehicle navigation device. And a vehicle navigation apparatus will display the destination setting screen which reflected the search result, if a search result is received from a center apparatus.

  Thereby, in the center device, the ranking is determined based on the average staying time at which the unspecified number of vehicle navigation devices have stayed at the destination where the route guidance has been normally terminated, and in the vehicle navigation device, the ranking received from the center device, In other words, since the average stay time ranking of destinations visited by an unspecified number of users is displayed, the user sets the destination with reference to the average stay time of the destinations visited by an unspecified number of users. And can appropriately assist the user in selecting a destination.

  According to the vehicle navigation apparatus of the third aspect, when the route guidance to the destination is normally completed, the control means transmits the destination information indicating the destination for which the route guidance has been normally completed from the communication means to the center device. When the user sets the search condition, the search condition set by the user is transmitted from the communication means to the center apparatus, and when the search result is received from the center apparatus by the communication means, the destination setting screen reflecting the search result is displayed. Display on the display means. As a result, when used together with the center device described in claim 5, the same effect as that described in claim 1 can be obtained, and the number of destinations set by a number of unspecified users actually visited. The user can set the destination with reference to FIG.

Further, when the route guidance to the destination is normally completed , the control means stays at the destination where the route guidance has been normally completed, and indicates a time from the power-off to the power-on of the vehicle navigation device. Is transmitted from the communication means to the center apparatus, and the user sets the search condition, the search condition set by the user is transmitted from the communication means to the center apparatus, and the search result is received from the center apparatus by the communication means. The destination setting screen reflecting the above is displayed on the display means. Accordingly, when used together with the center device described in claim 5 , the same effect as that described in claim 1 can be obtained, and the average stay of the destinations visited by an unspecified number of users. The user can set the destination with reference to time.

  According to the center device described in claim 5, each time the destination information is received from the vehicle navigation device, the control means updates the set number of times corresponding to the number of times the destination information has been received, When the search condition is received from the device, the search table held by the search table holding means is searched to extract the destination information corresponding to the search condition, and if there are a plurality of the extracted destination information, the set number of times The search result for which the ranking has been determined according to is transmitted from the communication means to the vehicle navigation device. As a result, when used together with the vehicle navigation device according to claim 3, it is possible to obtain the same operation effect as that described in claim 1, and to set the destination where an unspecified number of users actually visited. The user can set the destination with reference to the number of times.

Further, the control means updates the average stay time representing the average of the stay time each time the stay time is received from the vehicle navigation device, and holds the search table holding means when receiving the search condition from the vehicle navigation device. The destination table corresponding to the search condition is extracted, and if there are a plurality of the extracted destination information, the search result in which the ranking is determined according to the average stay time is transmitted from the communication means to the vehicle. It is transmitted to the navigation device. Thus, by use with a vehicle navigation apparatus according to claim 3, it is possible to obtain the same effects as those described in claim 1, average destination of an unspecified number of users actually visited The user can set the destination with reference to the staying time.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The communication navigation system 1 is configured such that the vehicle navigation device 2 and the center device 3 can communicate with each other via a mobile communication network. The vehicle navigation device 2 and the center device 3 have an N (unspecified number) one-to-one relationship, and the center device 3 communicates with the unspecified number of vehicle navigation devices 2 via a mobile communication network.

  The vehicle navigation device 2 includes a control device 4 (control means for the vehicle navigation device in the present invention), a position detector 5, a map data input device 6, an operation switch group 7, a transceiver 8, an external memory 9, and a display device 10 ( (Display means in the present invention), a voice controller 11, a voice recognition device 12, a remote control sensor 13, and a communication device 14 (communication means of a vehicle navigation device in the present invention).

  The position detector 5 includes a geomagnetic sensor 5a, a gyroscope 5b, a distance sensor 5c, and a GPS receiver 5d, and these components have detection errors having different properties. The control device 4 detects (identifies) the current position of the host vehicle by complementing the detection signals input from these components. In this case, the position detector 5 does not have to include all these components as long as the current position of the host vehicle can be detected with the required detection accuracy, and a steering sensor for detecting the steering angle of the steering wheel A wheel sensor that detects the rotation of each wheel may be combined.

  The map data input device 6 is loaded with a recording medium such as a CD-ROM, DVD-ROM, memory card or HDD, and inputs map data, landmark data, and map matching data. The operation switch group 7 includes mechanical switches arranged around the display device 10 and touch switches formed on the display device 10, and details of operations performed by the user (for example, menu display selection, destination setting, route search, Route guidance start, display screen change, volume adjustment, etc.) are detected and output to the control device 4.

  The transceiver 8 receives traffic information from an infrastructure such as a VICS (registered trademark) system. The external memory 9 is composed of a large-capacity storage device such as an HDD, and stores large-capacity data and data that is not to be erased even when the power is turned off. The display device 10 is composed of, for example, a color liquid crystal display, displays various display screens such as a menu display selection screen, and superimposes a current position mark indicating the current position of the host vehicle, a travel locus, and the like on a map of map data. To display. The display device 10 may be composed of an organic EL, a plasma display, or the like.

  The voice controller 11 controls the operation of the voice recognition device 12 and outputs, for example, voice guidance for route guidance from the speaker 15. The voice recognition device 12 recognizes the voice input by the microphone 16 according to a voice recognition algorithm. The remote control sensor 13 outputs the operation signal received from the operation remote controller 17 to the control device 4.

  For each function, the control device 4 automatically uses a map data acquisition unit that acquires map data, the current position of the host vehicle, and road data included in the map data acquired by the map data acquisition unit. A map matching unit that identifies a road where the current position of the vehicle exists, a route search unit that searches for a route from the current position of the host vehicle specified by the map matching unit to a destination set by the user, and a route searched by the route search unit And a route guidance unit that calculates the necessary points for route guidance based on road data and intersection location data included in the map data, a map around the current position of the vehicle, a schematic diagram of the expressway, The image forming apparatus includes a drawing unit that draws an enlarged view near an intersection. The vehicle navigation device 2 is turned on / off in conjunction with the on / off of the ACC switch. When the power is turned on, all the functional blocks operate and operate normally. When the power is turned off, only some functional blocks operate. It is configured to operate with low power consumption, which consumes less power than the operation.

  The center device 3 includes a server 18 (control device for the center device in the present invention), a line terminal device 19 (communication means for the center device in the present invention), and a database 20 (search table holding means in the present invention). It is configured and communicates with the vehicle navigation apparatus 2 through the mobile communication network through the radio base station 21 and the telephone station 22. As shown in FIG. 2, the database 20 holds a destination setting frequency table for a predetermined number of destination information, destination name, genre, address, setting frequency and average stay time as one unit. A destination setting date table having the destination information, the setting date, and the staying time as one unit is held. The destination information here is, for example, code information (numerical information having a predetermined number of digits) expressed in a coded form. That is, when a user sets a destination with the vehicle navigation device 2, the destination is set by any method having different input formats such as a facility name, an address, a telephone number, and a map code (registered trademark), for example. Therefore, in the database 20, the facility name, address, telephone number, and map code are centrally managed as code information.

  Each time the server 18 receives the destination information from the vehicle navigation device 2, the server 18 increments and updates the set number of times of the relevant destination information, and every time the stay time is received from the vehicle navigation device 2, The average stay time is recalculated and updated by adding the received stay time to the average stay time of the relevant destination information. The database 20 may be composed of a plurality of databases divided for each genre and each address according to the amount of data.

  Next, the operation of the above configuration will be described with reference to FIGS. Here, FIGS. 3 and 4 show a process performed by the vehicle navigation apparatus 2 as a flowchart, and FIG. 5 shows a process performed by the center apparatus 3 as a flowchart. Here, description will be made on the assumption that the user sets a destination and the control device 4 starts route guidance from the current position to the destination.

  First, the vehicle navigation device 2 performs the following process. In the vehicle navigation device 2, the control device 4 monitors whether or not the route guidance to the destination has been normally completed in the ACC on state (step S <b> 1) and monitors whether or not the user has operated the ACC off. (Step S2), it is monitored whether or not the user inputs a search condition (Step S3).

  Here, when the control device 4 determines that the route guidance to the destination has been normally completed (“YES” in step S1), the control device 4 transmits the center device 3 as a transmission destination from the communication device 14 (step S4). It is determined whether a communication line is connected to the center device 3 (step S5). When the control device 4 determines that the communication line is connected to the center device 3 (“YES” in step 5), the control device 4 transmits destination information indicating the destination for which the route guidance has been normally completed, to the communication device 14. To the center device 3 (step S6).

  Further, when the control device 4 determines that the user has operated ACC OFF to arrive at the destination and get off, for example ("YES" in step S2), the current position at that time is around the destination. (Step S7), and if it is determined that the current position at that time is around the destination (“YES” in step S7), destination information representing the destination is sent to the center device 3. It is determined whether or not the transmission has been completed (step S8). Next, when it is determined that the destination information representing the destination has been transmitted to the center device 3 (“YES” in step S8), the control device 4 stores the time at that time as the ACC off time. (Step S9). And the control apparatus 4 sets a stay time notification flag (step S10), powers off the vehicle-mounted navigation apparatus 2, and transfers to low power consumption operation | movement (step S11).

  Further, when determining that the user has input the search condition on the search condition input screen to set the destination (“YES” in step S3), the control device 4 sends the center device 3 from the communication device 14 to the destination. (Step S12), and it is determined whether a communication line is connected to the center apparatus 3 (step S13). Next, when the control device 4 determines that the communication line is connected to the center device 3 (“YES” in step S13), the control device 4 transmits the search condition input by the user from the communication device 14 to the center device 3. (Step S14). Then, the control device 4 determines whether or not the search result is received from the center device 3 by the communication device 14 (step S15), and determines that the search result is received from the center device 3 by the communication device 14 (step S15). "YES" in S15), the destination setting screen reflecting the search result is displayed on the display device 10 (step S16).

  Moreover, the control apparatus 4 is monitoring whether the user boarded, for example, and operated ACC ON in the state of ACC OFF (step S21). Here, when the control device 4 determines that the user has operated ACC on (“YES” in step S21), the vehicle-mounted navigation device 2 is powered on and shifts to normal operation (step S22), and the stay time It is determined whether or not a notification flag is set (step S23).

  When determining that the stay time notification flag is set (“YES” in step S23), the control device 4 acquires the time at that time as the ACC on time (step S24). The elapsed time (difference) from the previously stored ACC off time to the ACC on time is calculated as the stay time (step S25). Then, the control device 4 transmits the center device 3 from the communication device 14 as a transmission destination (step S26), determines whether or not a communication line is connected to the center device 3 (step S27), and the center device. If it is determined that a communication line has been connected to 3 (“YES” in step S27), the calculated stay time is transmitted from the communication device 14 to the center device 3 (step S28).

  On the other hand, the center device 3 performs the following processing. In the center apparatus 3, the server 18 monitors whether or not any of destination information, stay time, and search conditions is received from the vehicle navigation apparatus 2 by the line terminal apparatus 19 (steps T1 to T3).

  Here, when the server 18 determines that the destination information is received from the vehicle navigation device 2 by the line terminal device 19 (“YES” in step T1), the server 18 stores the destination setting count table corresponding to the destination information. The set number is incremented and updated (step T4), and the set date of the destination set date table corresponding to the destination information is added (step T5).

  Further, when determining that the stay time is received by the line terminal device 19 from the vehicle navigation device 2 (“YES” in step T2), the server 18 average stay in the destination setting number table corresponding to the destination information. The time is recalculated and updated (step T6), and the stay time in the destination setting date table corresponding to the destination information is added (step T7).

Further, when determining that the search condition is received by the line terminal device 19 from the vehicle navigation apparatus 2 (“YES” in step T3), the server 18 determines the destination setting number table and the destination setting date according to the search condition. The table is searched (step T8). Then, the server 18 determines whether or not there is destination information corresponding to the search condition (step T9), and determines that there is destination information corresponding to the search condition (“YES” in step T9). The destination information corresponding to the search condition is sorted (reordered) according to the search condition (step T10), and the search result is transmitted from the line terminal device 19 to the vehicle navigation apparatus 2 (step T11).

  Specifically, as illustrated in FIG. 6, the server 18 uses, for example, an area “Nagoya City, Aichi Prefecture”, a genre “restaurant”, and a search period “November 1, 2006 to 2006”. When "December 10", the day of the week is entered as "Sat", "Sun", and the sort order is "Set number of times", the search results are sorted by the destination information corresponding to these search conditions in descending order of the set number of times. Is transmitted from the line terminal device 19 to the vehicle navigation device 2. Accordingly, in the vehicle navigation device 2, the control device 4 causes the display device 10 to display the destination information corresponding to the search condition input by the user in the descending order of the set number of times. Thereby, the user can recognize the ranking of the destination information with a large number of times of setting. In this case, the server 18 also causes the average stay time to be transmitted from the line terminal device 19 to the vehicle navigation device 2 so that the average stay time is displayed on the display device 10 as reference information as shown in FIG. May be.

  In addition, as shown in FIG. 8, the server 18 uses, for example, an area “Nagoya City, Aichi Prefecture”, a genre “restaurant”, and a search period “November 1, 2006 to December 10, 2006”. If you enter “day”, day of the week as “Sat”, “day”, and sort order as “average stay time”, the destination information corresponding to these search conditions is sorted in order of short average stay time. Transmission is performed from the line terminal device 19 to the vehicle navigation device 2. Accordingly, in the vehicle navigation device 2, the control device 4 causes the display device 10 to display the destination information corresponding to the search condition input by the user in the descending order of the average stay time. Thereby, the user can recognize the ranking of the destination information with a short average stay time. In this case, the server 18 also transmits the set number of times from the line terminal device 19 to the vehicle navigation device 2 so that the set number of times is displayed on the display device 10 as reference information as shown in FIG. good.

When the user inputs the sort order as “set count”, the destination information corresponding to the search condition may be displayed in ascending order of the set number of times, or may be displayed in order of increasing set number of times. The user may be able to select whether to display in order.
In addition, when the user inputs the sort order as “average stay time”, the destination information corresponding to the search condition may be displayed in the order of longer average stay time, or displayed in the order of shorter average stay time. It may be possible for the user to select whether to display them according to the longest order. In addition, by inputting a predetermined time that is a guideline for the time during which the user can stay, the destination information corresponding to the search condition may be displayed in the order close to the predetermined time (the difference is small).

  As described above, according to the present embodiment, in the communication navigation system 1, when the center device 3 receives the search condition input by the user from the vehicle navigation device 2, an unspecified number of vehicle navigation devices 2 are routed. Since the ranking is determined based on the set number of destinations for which guidance has been normally completed and the average staying time at the destination, the vehicle navigation device 2 is configured to display the ranking determined by the center device 3. The user can set the destination with reference to the number of destinations set by a number of unspecified users and the average stay time at the destination, and it is appropriate for the user to select the destination. Can help.

  Also, when displaying a ranking based on the number of times a destination is set, the average stay time is also displayed as reference information, or as a reference information when displaying a ranking based on the average stay time at the destination. By displaying the number of times together, it is possible to more appropriately assist the user in selecting the destination.

The present invention is not limited to the above-described embodiment, and can be modified or expanded as follows.
In the vehicle navigation device, other items (such as being within a range of a predetermined distance from the current position) may be configured to be input as a search condition input by the user. The corresponding destination information may also be searched using the item as a search condition.

Functional block diagram showing an embodiment of the present invention The figure which shows the destination setting frequency table and the destination setting date table The flowchart which shows the process which a vehicle navigation apparatus performs (the 1) The flowchart which shows the process which a vehicle navigation apparatus performs (the 2) Flow chart showing processing performed by center device Figure showing the destination setting screen 6 equivalent diagram 6 equivalent diagram 6 equivalent diagram

Explanation of symbols

  In the drawings, 1 is a communication navigation system, 2 is a vehicle navigation device, 3 is a center device, 4 is a control device (control means for the vehicle navigation device), 10 is a display device (display means), and 14 is a communication device (vehicle navigation). 18 is a server (center device control means), 19 is a line terminal device (center device communication means), and 20 is a database (search table holding means).

Claims (5)

A communication navigation system configured such that a vehicle navigation device and a center device can communicate with each other via a communication network,
The vehicle navigation device is destination information indicating a destination where the route guidance has been normally completed, a stay which is a time spent at a destination where the route guidance has been normally completed, and a time from power-off to power-on of the vehicle navigation device. The search condition set by the user and the time is transmitted to the center device, and when the search result is received from the center device, the destination setting screen reflecting the search result is displayed.
The center apparatus, the search indicating the destination information, and set the number of times that the vehicle navigation device corresponding to the received number of times of receiving the destination information, the correspondence between the average stay time representing an average residence time received from the vehicle navigation system Each time the destination information is received from the vehicle navigation device, the set number of times is updated. When the search condition is received from the vehicle navigation device, the search table is searched and the destination corresponding to the search condition is obtained. When there is a plurality of destination information extracted, the search results obtained by determining the ranking according to the set number of times are transmitted to the vehicle navigation device, and the average stay is received every time the stay time is received from the vehicle navigation device. The search table is searched when the time is updated and the search condition is received from the vehicle navigation device. And characterized in that extracting the destination information to the navigation apparatus search results to determine the ranking in accordance with the average residence time when the extracted destination information is in a plurality corresponding to the search criteria Communication type navigation system. In the communication type navigation system according to claim 1,
The vehicle navigation device transmits the stay time to the center device even when the route guidance is not normally terminated even when the current position when the vehicle navigation device is powered off is around the destination. Communication type navigation system. Holding and destination information, and set the number of times that the vehicle navigation device corresponding to the received number of times of receiving the destination information, a lookup table showing the correspondence between the average stay time representing an average residence time received from the vehicle navigation system Each time the destination information is received from the vehicle navigation device, the set number of times is updated, and when the search condition is received from the vehicle navigation device, the search table is searched and the destination information corresponding to the search condition is extracted. When there are a plurality of extracted destination information, the search result of ranking determined according to the set number of times is transmitted to the vehicle navigation device, and the average stay time is updated every time the stay time is received from the vehicle navigation device. When the search condition is received from the vehicle navigation device, the search table is searched and the search condition is Extracting destination information corresponding to the constructed comprising the center apparatus to transmit the extracted search destination information is determined ranking in accordance with the average residence time when a plurality of results to the navigation apparatus A vehicle navigation device that communicates via a communication network,
A communication means for communicating with the center device;
Display means for displaying a destination setting screen;
Destination information indicating the destination for which the route guidance has been normally completed, the stay time indicating the time from the power-off to the power-on of the vehicle navigation device, which is the time spent at the destination for which the route guidance has been normally completed, and the user set And a control means for causing the display means to display a destination setting screen reflecting the search result when the communication means receives the search result from the center apparatus by the communication means. A vehicle navigation apparatus comprising the vehicle navigation apparatus. In the vehicle navigation device according to claim 3,
The control means transmits the staying time from the communication means to the center apparatus even when the route guidance is not normally completed even when the current position when the vehicle navigation apparatus is powered off is around the destination. vehicle navigation apparatus characterized by causing. Destination information indicating the destination for which the route guidance has been normally completed, the stay time indicating the time from the power-off to the power-on of the vehicle navigation device, which is the time spent at the destination for which the route guidance has been normally completed, and the user set The search condition is transmitted to the center device, and when the search result is received from the center device, the destination setting screen reflecting the search result is displayed to communicate with the vehicle navigation device via the communication network. A center device that performs
Communication means for communicating with the vehicle navigation device;
Holding and destination information, and set the number of times that the vehicle navigation device corresponding to the received number of times of receiving the destination information, a lookup table showing the correspondence between the average stay time representing an average residence time received from the vehicle navigation system Search table holding means;
Each time the destination information is received from the vehicle navigation device, the set number of times is updated, and when the search condition is received from the vehicle navigation device, the search table held by the search table holding means is searched and the search condition is set. The corresponding destination information is extracted, and when there are a plurality of the extracted destination information, a search result in which ranking is determined according to the set number of times is transmitted from the communication means to the vehicle navigation device, and the stay time from the vehicle navigation device The average stay time is updated every time a search condition is received, and when the search condition is received from the vehicle navigation device, the search table is searched to extract destination information corresponding to the search condition, and the extracted destination information Search results that have been ranked according to the average stay time when there are multiple Center apparatus being characterized in that a control means Ru is transmitted.

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