JP2013148419A - Guidance system, mobile terminal apparatus and vehicle-mounted apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a user to be guided to his or her vehicle parking position without requiring any particular instruction from the user.SOLUTION: In a guidance system, a server is provided with acquiring means that acquires information on the destination of a shift and guidance information generating means that generates guidance information. A vehicle-mounted apparatus is provided with first communication means that establishes communication, geographical point specifying means that specifies a geographical point, and transmitting means that transmits to a mobile terminal apparatus geographical point information indicating a geographical point. The mobile terminal apparatus is provided with second communication means that establishes communication, first receiving means that receives geographical point information, transmitting means that, when it detects the end of communication, transmits to the server geographical point information received from the vehicle-mounted apparatus and indicating the latest geographical point, second receiving means that receives guidance information from the server, and guidance means that provides guidance using the guidance information.

Description

  The present invention relates to a guidance system, a portable terminal device, and an in-vehicle device.

  As described in Patent Document 1, there is a technique of displaying an image indicating a parking position of a vehicle generated by an in-vehicle device on a display of a mobile terminal device. Image data indicating the parking position of the vehicle is generated when the user inputs a predetermined instruction to the in-vehicle device.

JP 2004-2065887 A

  However, in the technique of Patent Document 1, if the user forgets a predetermined instruction, image data is not generated, and as a result, the parking position cannot be confirmed on the mobile terminal device.

  Then, an object of this invention is to provide the guidance system which can guide a user to a parking position, without request | requiring a special instruction | indication to a user.

  In order to solve the above problems, a guidance system according to the present invention includes an in-vehicle device, a mobile terminal device, and a server, and the server includes point information indicating a point where the vehicle is located, and the point information is Based on the acquisition means for acquiring the destination point information indicating the destination point different from the indicated point, and the point information and the destination point information, guidance is performed from the destination point to the point where the vehicle is located. Guidance information generating means for generating guidance information for the purpose. In addition, the in-vehicle device includes a first communication unit that establishes communication with the mobile terminal device, a point specifying unit that specifies a point where the vehicle is located, and point information indicating the specified point. Transmitting means for transmitting to the apparatus. The portable terminal device acquires from the in-vehicle device when detecting the second communication means for establishing communication with the in-vehicle device, the first receiving means for receiving the spot information, and the end of the communication. A transmission means for transmitting the point information indicating the latest point to the server, a second receiving means for receiving the guidance information from the server when receiving a guidance request to the point, and a guidance using the guidance information. And a guiding means to perform.

  According to the guidance system according to the present invention, the user can be guided to the parking position without requiring a special instruction from the user.

It is a figure showing the schematic structure of the guidance system concerning one embodiment of the present invention. It is a figure which shows schematic structure of the vehicle-mounted apparatus which concerns on one Embodiment of this invention. It is a figure which shows schematic structure of the portable terminal device which concerns on one Embodiment of this invention. It is a figure which shows schematic structure of the information provision apparatus which concerns on one Embodiment of this invention. It is a figure which shows the point information which concerns on one Embodiment of this invention. It is a figure which shows the inquiry information which concerns on one Embodiment of this invention. It is a figure which shows the functional block of the vehicle-mounted apparatus which concerns on one Embodiment of this invention. It is a figure which shows the functional block of the portable terminal device which concerns on one Embodiment of this invention. It is a figure which shows the functional block of the information provision apparatus which concerns on one Embodiment of this invention. It is a figure which shows the flow of the guidance system process which concerns on one Embodiment of this invention. It is a figure which shows the flow of the point information transmission process which concerns on one Embodiment of this invention. It is a figure which shows the flow of the guidance information generation process which concerns on one Embodiment of this invention. It is a figure which shows the flow of the guidance process which concerns on one Embodiment of this invention. It is a figure which shows the example of a screen of the guidance process which concerns on one Embodiment of this invention. It is a figure which shows the example of a screen of the guidance process which concerns on one Embodiment of this invention.

  Hereinafter, a guidance system according to the present invention will be described.

  FIG. 1 is a diagram showing a schematic configuration of a guidance system 1 according to an embodiment of the present invention. The guidance system 1 includes an in-vehicle device 100, a mobile terminal device 200, and an information providing device 300. Note that, as will be described later, the in-vehicle device 100 and the mobile terminal device 200 are connected to each other by pairing c1 between both devices established using, for example, a short-range wireless communication technology. The mobile terminal device 200 and the information providing device 300 are connected to each other via a digital communication line network c2 such as the Internet network, for example.

  FIG. 2 is a diagram illustrating a schematic configuration of the in-vehicle device 100 according to the present embodiment. The in-vehicle device 100 includes an arithmetic processing device 101, a storage device 102, a display 103, an input device 104, various sensors 105, a GPS receiving device 106, and a mobile terminal IF (mobile terminal interface) 107. Yes. Each of these devices is electrically connected by a bus 108 so that data can be exchanged between them. The in-vehicle device 100 is assumed to have normal functions (navigation function) of a so-called navigation device, such as searching for a recommended route and displaying a map image.

  The arithmetic processing device 101 is a central unit that performs various processes of the in-vehicle device 100. The arithmetic processing unit 101 specifies the current location of the vehicle using information output from various sensors 105 such as a vehicle speed sensor and a gyro sensor, and the GPS receiver 106, for example. In addition, the arithmetic processing device 101 searches for a recommended route connecting the departure point and the destination using the map data stored in the storage device 102. In addition, the arithmetic processing unit 101 generates graphics information such as a map image and traffic information and outputs it to the display 103. In addition, the arithmetic processing unit 101 outputs voice information for route guidance to a speaker (not shown).

  The arithmetic processing unit 101 includes a CPU (Central Processing Unit) 109 that executes various processes such as numerical calculation and control of each device and sensor, a ROM (Read Only Memory) 110 that stores programs and data, And a RAM (Random Access Memory) 111 for temporarily storing programs, data, calculation results, and the like. Further, the CPU 109, the ROM 110, and the RAM 111 are electrically connected to each other via a bus 112.

  The RAM 111 stores point information 400 indicating the current location of the vehicle. FIG. 5 is a diagram showing the point information 400. In the spot information 400, in-vehicle device identification information 401 and vehicle spot coordinates 402 are registered. The in-vehicle device identification information 401 is information for identifying each in-vehicle device 100, and corresponds to, for example, a serial number. The in-vehicle device identification information 401 is acquired from registration information of the in-vehicle device 100 stored in advance in a recording medium such as the storage device 102. The vehicle point coordinates 402 are information for specifying the current location of the vehicle on which the in-vehicle device 100 is mounted on the map data. The vehicle point coordinates 402 are calculated by the arithmetic processing unit 101 using information output from various sensors 105 such as a vehicle speed sensor and a gyro sensor, information output from the GPS receiver 106, and map data. .

  The information registered in the spot information 400 is not limited to the in-vehicle device identification information 401, and may be information such as a vehicle number that can identify the vehicle.

  The storage device 102 of the in-vehicle device 100 is configured by at least a readable / writable recording medium such as an HDD (Hard Disk Drive) or a nonvolatile memory card. The storage device 102 includes, for example, map data (including point coordinates at each point on the map) used for the navigation function of the in-vehicle device 100, traffic information, route information, section information, dictionary data used for voice recognition, Etc. are stored. In the map data, various data such as link data of links constituting roads on the map and traffic information for each link time zone are registered. In the map data, point coordinates for uniquely specifying a point on the map are registered.

  The display 103 is a unit that displays graphics information such as a map image generated by the arithmetic processing apparatus 101. The display 103 is composed of, for example, a liquid crystal display, an organic EL display, or the like.

  The input device 104 is a device that receives an instruction from a user. Specifically, it consists of hard switches such as direction keys, dial switches, and touch panels.

  The various sensors 105 include a vehicle speed sensor and a gyro sensor. The vehicle speed sensor converts the detected rotation speed of the wheel into a pulse signal, and calculates the vehicle speed of the vehicle from the number of pulse signals within a predetermined time. The gyro sensor is configured by an optical fiber gyro, a vibration gyro, or the like, and detects an angular velocity due to rotation of the vehicle.

  The GPS receiver 106 receives a signal from a GPS satellite, and measures the distance between the vehicle and the GPS satellite and the rate of change of the distance with respect to three or more satellites. Advancing direction is calculated.

  The mobile terminal IF 107 is an interface that connects the in-vehicle device 100 and the mobile terminal device 200. The in-vehicle device 100 is connected to the mobile terminal device 200 via the mobile terminal IF 107 and can perform data communication with each other. For the connection between the in-vehicle device 100 and the mobile terminal device 200, for example, a short-range wireless communication technology such as Bluetooth is adopted, and pairing c1 by Bluetooth is established between both devices. Pairing means that two devices having the same communication standard are connected to each other so that they can communicate with each other.

  FIG. 3 is a diagram illustrating a schematic configuration of the mobile terminal device 200. The mobile terminal device 200 includes, for example, a mobile communication mobile terminal device (mobile phone) and a mobile information terminal device such as a PDA (Personal Data Assistance). As shown in FIG. 3, the mobile terminal device 200 includes an arithmetic processing device 201, a storage device 202, a display 203, an input device 204, a GPS receiving device 205, and an in-vehicle device IF (in-vehicle device interface) 206. And a data transmission / reception device 207. Each of these devices is electrically connected by a bus 208 and is configured to be able to exchange data with each other.

  The arithmetic processing device 201 is a central unit that performs various processes of the mobile terminal device 200. Specifically, the arithmetic processing device 201 reads data such as telephone directory data and schedule data stored in the storage device 202, generates these graphics information, and outputs them to the display 203. The arithmetic processing unit 201 receives a call instruction from the user and dials a designated telephone number. Further, the arithmetic processing unit 201 converts the utterance of the caller into voice data and outputs it to the data transmitting / receiving device 207. Further, the arithmetic processing unit 201 converts the mail text and schedule contents into a transmittable data format and outputs the data to the data transmitting / receiving device 207.

  In addition, the arithmetic processing device 201 acquires predetermined information from the in-vehicle device 100 in which the pairing c1 is established via the data transmission / reception device 207. Specifically, the arithmetic processing device 201 acquires the spot information 400 from the in-vehicle device 100 and stores it in the RAM 211 described later. Further, the arithmetic processing unit 201 outputs the point information 400 stored in the RAM 211 to the storage device 202 at a predetermined timing. In addition, the arithmetic processing device 201 generates a signal that requests the in-vehicle device 100 to provide the point information 400. Further, as will be described later, the arithmetic processing device 201 generates inquiry information for requesting the information providing device 300 to provide guidance information. In addition, the arithmetic processing device 201 outputs the generated information and signal to the data transmitting / receiving device 207.

  FIG. 6 is a diagram showing inquiry information 500. In the inquiry information 500, in-vehicle device identification information 501 and portable point coordinates 502 are registered. The in-vehicle device identification information 501 is the same as the in-vehicle device identification information 401 registered in the point information 400. The mobile point coordinates 502 are point coordinates indicating the current location of the mobile terminal device 200. Note that the mobile point coordinates 502 are calculated by the arithmetic processing unit 201 using information output from a GPS receiving device 206 of the mobile terminal device 200 described later.

  The arithmetic processing unit 201 includes a CPU (Central Processing Unit) 209 that executes various processes such as numerical calculations, control of other devices and sensors, a ROM (Read Only Memory) 210 that stores programs and data, and a program. And a RAM (Random Access Memory) 211 that temporarily stores data, calculation results, and the like. The CPU 209, the ROM 210, and the RAM 211 are electrically connected to each other via a bus 212.

  The storage device 202 is composed of at least a readable / writable recording medium such as an HDD (Hard Disk Drive) or a nonvolatile memory card. For example, the storage device 202 stores programs and data necessary for executing the communication function of the mobile terminal device 200. The storage device 202 stores telephone book data, schedule data, and the like. Further, the storage device 202 stores spot information 400 output from the arithmetic processing device 201 at a predetermined timing. The storage device 202 stores guidance information received from the information providing device 300.

  A display 203 is a unit that displays graphics information such as a menu screen and mail text generated by the arithmetic processing device 201. The display 203 is composed of, for example, a liquid crystal display, an organic EL display, or the like.

  The input device 204 includes direction keys for selecting a predetermined menu, character input keys for receiving a user's character input, and a touch panel mounted on the surface of the display 203. The direction keys include, for example, a cross key for moving the menu in the vertical and horizontal directions and a determination key for determining the selected menu item. The character input key includes, for example, a plurality of buttons to which predetermined characters such as numbers from 0 to 9, alphabets, and kana are assigned. The touch panel includes a thin-film input detection element that detects a touch with a human finger and identifies the touch position on the display 203.

  The GPS receiving device 205 receives a signal from a GPS satellite, and measures the distance between the mobile terminal device 200 and the GPS satellite and the rate of change of the distance with respect to three or more satellites. Calculate the current location, travel speed, and travel direction.

  The in-vehicle device IF 206 is an interface that connects the mobile terminal device 200 and the in-vehicle device 100. The mobile terminal device 200 is connected to the in-vehicle device 100 via the in-vehicle device IF 206 and can perform data communication with each other. For the connection between the two devices, for example, a short-range wireless communication technology such as Bluetooth is applied, and pairing c1 by Bluetooth is established between the two devices.

  The data transmission / reception device 207 is a device that transmits / receives predetermined data to / from devices (hereinafter referred to as “external devices”) other than the devices built in the mobile terminal device 200. Specifically, the data transmission / reception device 207 transmits predetermined information and signals generated by the mobile terminal device to an external device. More specifically, the data transmission / reception device 207 transmits the spot information 400 and the inquiry information 500 to the information providing device 300. The data transmitting / receiving device 207 receives data transmitted from an external device. Specifically, the guide information transmitted from the information providing apparatus 300 is received. For such data transmission / reception, a wireless communication technique using a digital communication network c2 such as the Internet network via the nearest wireless base station is used.

  FIG. 4 is a diagram illustrating a schematic configuration of the information providing apparatus 300. The information providing apparatus 300 corresponds to a server apparatus that generates various information in response to a request from an external apparatus and provides the generated information. The information providing device 300 includes an arithmetic processing device 301, a data transmitting / receiving device 302, and a storage device 303. Each of these devices is electrically connected by a bus 304 and is configured to be able to exchange data with each other.

  The arithmetic processing device 301 is a central unit that performs various processes of the information providing device 300. Specifically, the arithmetic processing unit 301 stores the data received by the data transmission / reception device 302 in the storage device 303. The arithmetic processing unit 301 reads predetermined data from the storage device 303 and generates information to be provided to the external device. In addition, the arithmetic processing device 301 outputs the generated information to the data transmitting / receiving device 302.

  The arithmetic processing unit 301 includes a CPU (Central Processing Unit) 305 that executes various processes such as numerical calculations, control of other devices and sensors, a ROM (Read Only Memory) 306 that stores programs and data, and a program. And a RAM (Random Access Memory) 307 that temporarily stores data, calculation results, and the like. Note that the CPU 305, the ROM 306, and the RAM 307 are electrically connected to each other via a bus 308.

  The data transmitting / receiving device 302 is a device for transmitting / receiving data between the information providing device 300 and an external device. Specifically, the spot information 400 and the inquiry information 500 transmitted from the mobile terminal device 200 are received. Further, the data transmission / reception device 302 transmits predetermined data generated by the arithmetic processing device 301 to an external device. Specifically, the data transmission / reception device 302 transmits the guidance information to the mobile terminal device 200 that is requested to provide the information. For such data transmission / reception, a wireless communication technique using a digital communication network c2 such as the Internet network via the nearest wireless base station is used.

  The storage device 303 is composed of at least a readable / writable recording medium such as an HDD (Hard Disk Drive) or a nonvolatile memory card. The storage device 303 stores programs and data necessary for executing the functions of the information providing device 300 such as a function of generating information in response to a request. The storage device 303 stores map data used for route search processing. In the map data, various data such as link data of links constituting roads on the map and traffic information for each link time zone are registered. In the map data, point coordinates that uniquely identify a point on the map are registered corresponding to the point coordinates registered in the map data of the in-vehicle device 100.

  Further, the storage device 303 stores the spot information 400 and the inquiry information 500 received from the mobile terminal device 200.

  The storage device 303 stores walking route link data used for searching for a walking route from the place where the mobile terminal device 200 is located to the parking position of the vehicle. Further, the storage device 303 stores parking lot map data indicating the arrangement of parking spaces in the parking lot.

  The walking route link data is data including information on walking links that form a sidewalk. The walking route link data includes a walking link ID for identifying the walking link, coordinate information indicating the coordinates of the start and end nodes of the walking link, walking link length information indicating the length of the walking link, and general walking. The travel time information of the walking link calculated from the speed and information such as the link ID of the walking link connected to the start node and the end node are included (not shown).

  The parking lot map data is map data indicating the arrangement of parking spaces in the parking lot. In the parking lot map data, a parking lot address, parking point coordinates, image information indicating the arrangement of each parking space, and the like are registered (not shown).

  Next, functional blocks of the guidance system 1 according to the present embodiment will be described. FIG. 7 is a diagram illustrating functional blocks of the in-vehicle device 100. FIG. 8 is a diagram illustrating functional blocks of the mobile terminal device 200. FIG. 9 is a diagram illustrating functional blocks of the information providing apparatus 300. Each functional block is constructed by executing a predetermined program read by a CPU installed in each of these devices. Therefore, a program for executing processing of each functional unit is stored in the ROM or the storage device.

  In addition, the functional blocks are classified according to main processing contents in order to facilitate understanding of each function realized by the in-vehicle device 100, the mobile terminal device 200, and the information providing device 300 according to the present embodiment. . Further, the present invention is not limited by the classification method of each function or its name. Each structure of the vehicle-mounted apparatus 100, the portable terminal device 200, and the information provision apparatus 300 can also be classified into more components according to the processing content. Moreover, it can also classify | categorize so that one component may perform more processes.

  In addition, the functional unit of each device may be constructed by hardware (ASIC or the like). Further, the processing of each functional unit may be executed by one hardware, or may be executed by a plurality of hardware.

  As illustrated in FIG. 7, the functional block of the in-vehicle device 100 includes an input reception unit 601, an output processing unit 602, a route search unit 603, and a point information generation unit 604. And the vehicle equipment 100 performs a predetermined process by the function of each function part.

  The input receiving unit 601 is a functional unit that receives instructions from the user and instructions from the mobile terminal device 200. Specifically, the input receiving unit 601 receives a route search instruction, an instruction to display traffic information, and the like from the user. Further, the input receiving unit 601 receives an instruction for requesting provision of the spot information 400 from the portable terminal device 200.

  The output processing unit 602 is a functional unit that outputs predetermined information to various sensors, devices, and functional units. The output processing unit 602 outputs information acquired or generated by each sensor, each device, and each function unit to a predetermined sensor, device, and function unit. Specifically, the output processing unit 602 acquires information output from the GPS receiver 106, the vehicle speed sensor, and the gyro sensor, and outputs the information to the point information generation unit 604. Further, the output processing unit 602 acquires the spot information 400 generated by the spot information generation unit 604 and transmits it to the mobile terminal device 200 via the mobile terminal IF 107.

  The route search unit 603 is a functional unit that searches for a route of the vehicle. Specifically, the route search unit 603 searches for a recommended route connecting the current location and the destination using the Dijkstra method or the like.

  The point information generation unit 604 is a functional unit that generates point information 400 indicating the current location of the vehicle. Specifically, the spot information generation unit 604 specifies the spot coordinates of the vehicle on the map using information output from the GPS receiver 106, the vehicle speed sensor, the gyro sensor, and the like. Further, the spot information generation unit 604 generates spot information 400 in which the vehicle spot coordinates 402 are registered together with the in-vehicle device identification information 401.

  The communication unit 605 is a functional unit that establishes pairing c1 between the in-vehicle device 100 and an external device. Specifically, when the communication unit 605 receives a predetermined instruction from the user via the input reception unit 601, the communication unit 605 performs short-range wireless communication for establishing pairing c1 with the mobile terminal device 200. To run.

  The communication unit 605 is a functional unit that monitors a communication state established between the in-vehicle device 100 and an external device. Specifically, the communication unit detects whether or not pairing c1 is established with the mobile terminal device 200 using a short-range wireless technology such as bluetooth. Further, the communication unit 605 monitors whether or not the pairing c1 with the mobile terminal device 200 has been completed.

  FIG. 8 is a diagram illustrating functional blocks of the mobile terminal device 200. The mobile terminal device 200 includes an input receiving unit 620, an output processing unit 621, a call / mail unit 622, an inquiry information generation unit 623, and a communication unit 624. And the portable terminal device 200 performs a predetermined | prescribed process by the function of each function part.

  The input receiving unit 620 is a functional unit that receives an instruction from the user via the input device 204. Specifically, the input receiving unit 620 receives an instruction from a user that is input via the input device 204 such as a cross key, a character input key, or a touch panel.

  The output processing unit 621 is a functional unit that outputs predetermined information to each device and functional unit. Specifically, the output processing unit 621 outputs information received by the input receiving unit 620 to each device and function unit. The output processing unit acquires information generated by each functional unit and outputs the information to each device and functional unit. Specifically, the output processing unit 620 outputs the acquired spot information 400 to the RAM 211. Note that the output processing unit 621 stores only the latest point information 400 in the RAM 211. That is, the output processing unit 621 overwrites the spot information 400 that has been stored in the RAM 211 until then with the latest spot information 400.

  Further, when notified of the end of the pairing c1 from the communication unit 624, the output processing unit 621 outputs the point information 400 stored in the RAM 211 to the storage device 202 and the data transmitting / receiving device 207. Further, the output processing unit 621 acquires the inquiry information 500 generated by the inquiry information generation unit 623 and outputs the inquiry information 500 to the data transmission / reception device 207. Further, the output processing unit 621 acquires the guidance information received by the data transmission / reception device 207 and outputs the guidance information to the storage device 202.

  The call / mail unit 622 is a functional unit that executes a call function and a mail function of the mobile terminal device 200. Specifically, the call / mail unit 622 dials a designated telephone number based on a user instruction. The call / mail unit converts the user's utterance into voice data and outputs the voice data to the data transmitting / receiving device 207. Further, the call / mail unit 622 converts the mail text created by the user into a transmittable data format and outputs it to the data transmitting / receiving device 207. Further, the call / mail unit 622 acquires the voice data of the other party of the call received by the data transmission / reception unit 207, converts the voice data to a voice that can be listened to by the user, and outputs the voice to the speaker. Further, the call / mail unit 622 acquires mail data received by the data transmission / reception device 207 and converts it into graphics information that can be displayed on the display 203.

  The communication unit 624 is a functional unit that establishes pairing c1 between the mobile terminal device 200 and an external device. Specifically, when the communication unit 624 receives a predetermined instruction from the user via the input reception unit 620, the communication unit 624 performs near field communication for establishing pairing c1 with the in-vehicle device 100 to the in-vehicle device IF 206. Let it run.

  The communication unit 624 is a functional unit that monitors a communication state established between the mobile terminal device 200 and an external device. Specifically, the communication unit detects whether or not pairing c1 is established with the in-vehicle device 100 by a short-range wireless technology such as bluetooth. Moreover, the communication part 624 monitors whether pairing c1 with the vehicle-mounted apparatus 100 was complete | finished. Specifically, for example, when the ignition key of the vehicle is turned off, or when the power of the in-vehicle device 100 is turned off, the communication unit 624 increases the distance between the in-vehicle device 100 and the mobile terminal device 200 to a predetermined value or more. The end of pairing c1 is detected when, for example, the user leaves. In addition, the communication unit 624 notifies the output processing unit 621 of the end of the pairing c1.

  The inquiry information generation unit 623 is a functional unit that generates the inquiry information 500. The inquiry information generation unit 623 generates the inquiry information 500 when receiving an instruction for acquiring the guidance information from the user via the input reception unit 620. Specifically, the inquiry information generation unit 623 acquires the in-vehicle device identification information 401 from the point information 400 stored in the storage device 202. In addition, the inquiry information generation unit 623 acquires mobile point coordinates indicating the current location of the mobile terminal device 200 using information output from the GPS receiving device 205. Further, the inquiry information generation unit 623 generates inquiry information 500 including the in-vehicle device identification information 501 and the mobile point coordinates 502. Further, the inquiry information generation unit 623 outputs the inquiry information 500 to the data transmission / reception device 207 via the output processing unit 621.

  As will be described later, the guide unit 625 is a functional unit that guides the user to the parking position of the vehicle using the guide information generated by the information providing apparatus 300. Specifically, the guide unit 625 uses the guide route information or the parking lot map data included in the guide information, and the point coordinates of the mobile terminal device 200 output from the GPS receiver 205 on the guide route. A map matching process for superimposing the current location of the mobile terminal device 200 on the mobile phone 200 is performed.

  In addition, the guidance unit 625 generates graphics information indicating the guidance route after the map matching process and the current location of the mobile terminal device 200. In addition, the guide unit 625 outputs the graphics information to the display 203 via the output processing unit 621.

  Further, the guidance unit 625 outputs voice guidance information included in the guidance information from the speaker via the output processing unit 621, and guides the user by voice.

  In addition, the guiding unit 625 determines whether or not the distance between the current location of the mobile terminal device 200 and the parking lot is within a predetermined distance (for example, within 30 m). In addition, the guiding unit 625 determines whether or not the mobile terminal device 200 has arrived at the parking position. Specifically, the guidance unit 625 determines whether the distance between the current location of the mobile terminal device 200 and the parking position is within a predetermined distance (for example, 10 m).

  FIG. 9 is a diagram illustrating functional blocks of the information providing apparatus 300. The information providing apparatus 300 includes an input reception unit 640, an output processing unit 641, and a guidance information generation unit 642. And the information provision apparatus 300 performs a predetermined | prescribed process by the function of each function part.

  The input receiving unit 640 is a functional unit that receives a predetermined instruction from an external device via the data transmitting / receiving device 302. Specifically, the input receiving unit 640 receives inquiry information 500 for requesting provision of guidance information from the mobile terminal device 200 via the data transmitting / receiving device 302.

  The output processing unit 641 is a functional unit that outputs predetermined information to each device and functional unit. The output processing unit 641 outputs the information received by the input receiving unit 640 to each device and function unit. Further, the output processing unit 641 acquires information generated by each functional unit and outputs the information to each device and functional unit. Specifically, the output processing unit 641 acquires the guidance information generated by the guidance information generation unit 642 and outputs the guidance information to the data transmission / reception device 302.

  The guidance information generation unit 642 is a functional unit that generates guidance information for guiding the user from the current location of the mobile terminal device 200 to the parking position of the vehicle. The guidance information generation unit 642 generates guidance information when the input reception unit 640 receives an instruction to request provision of guidance information. Specifically, the guidance information generation unit 642 specifies the target point information 400 using the in-vehicle device identification information that matches the in-vehicle device identification information 501 included in the inquiry information 500. In addition, the guidance information generation unit 642 acquires vehicle point coordinates 402 indicating the parking position of the vehicle from the specified point information 400. In addition, the guidance information generation unit 642 acquires the mobile point coordinates 502 included in the inquiry information 500. In addition, the guidance information generation unit 642 searches for a walking route connecting the vehicle point coordinates 402 indicating the parking position of the vehicle and the portable point coordinates 502. When searching for a walking route, the guidance information generation unit 642 calculates a walking route with the lowest cost as a recommended walking route by the Dijkstra method using link data for walking routes. In addition, the guidance information generation unit 642 generates guidance route information for displaying the calculated recommended walking route on the mobile terminal device 200.

  In addition, the guidance information generation unit 642 acquires the parking lot map data of the parking lot including the vehicle point coordinates 402 indicating the parking position of the vehicle from the storage device 303. In addition, the guidance information generation unit 642 generates voice guidance information for voice guidance of the recommended walking route. Further, the guidance information generation unit 642 generates guidance information including guidance route information, parking lot map data, and voice guidance information, and outputs the guidance information to the data transmission / reception device 302 via the output processing unit 641.

  The functional blocks of the in-vehicle device 100, the mobile terminal device 200, and the information providing device 300 according to the present embodiment have been described above.

  Next, the process performed with the guidance system 1 which concerns on this embodiment is demonstrated. As illustrated in FIG. 10, the guidance system 1 executes a spot information transmission process S001, a guidance information generation process S002, and a guidance process S003. Among these, the spot information transmission process S001 and the guidance process S003 are performed by the mobile terminal device 200, and the guidance information generation process S002 is performed by the information providing device 300.

  First, the spot information transmission process S001 performed by the mobile terminal device 200 will be described. FIG. 12 is a flowchart showing such processing. This flow is started when the pairing c1 is established between the in-vehicle device 100 and the mobile terminal device 200.

  In step S <b> 101, the data transmission / reception unit 207 of the mobile terminal device 200 acquires the spot information 400 from the in-vehicle device 100 at a predetermined timing. In addition, the output processing unit 621 of the mobile terminal device 200 stores the acquired latest spot information 400 in the RAM 211, and the process proceeds to step S102.

  In step S <b> 102, the communication unit 624 of the mobile terminal device 200 determines whether the pairing c <b> 1 with the in-vehicle device 100 has ended. If the pairing c1 has not ended (No in step S102), the communication unit 624 returns the process to step S101 and acquires the point information 400 again. On the other hand, when the pairing c1 is completed (Yes in Step S102), the communication unit 624 outputs the latest point information 400 stored in the RAM 211 to the storage device 202 (Step S103), and the process is performed. The process proceeds to S104.

  In step S104, the communication unit 624 transmits the latest spot information 400 to the information providing apparatus 300 via the data transmission / reception unit 207, and ends the spot information transmission process S001.

  The input receiving unit 640 of the information providing apparatus 300 acquires the spot information 400 via the data transmitting / receiving unit 302 and stores it in the storage device 303.

  Next, the guidance information generation process S002 performed by the information providing apparatus 300 will be described. FIG. 12 is a flowchart showing such processing. This flow is started when the input receiving unit 640 of the information providing apparatus 300 is requested to provide guidance information from the mobile terminal apparatus 200. That is, when the information providing apparatus 300 receives the inquiry information 500 from the mobile terminal apparatus 200, the information providing apparatus 300 starts this flow.

  In step S <b> 201, the guidance information generation unit 642 of the information providing apparatus 300 specifies the spot information 400 in which the in-vehicle device identification information 401 corresponding to the in-vehicle device identification information 501 included in the inquiry information 500 is registered. In addition, the guidance information generation unit 642 acquires the vehicle spot coordinates 402 indicating the parking position of the vehicle from the specified spot information 400, and the process proceeds to step S202.

  In step S202, the guidance information generation unit 642 acquires the mobile location coordinates 402 registered in the identified location information 400, and the process proceeds to step S203.

  In step S203, the guidance information generation unit 642 generates guidance information. Specifically, the guidance information generation unit 642 searches for a walking route that connects the acquired vehicle location coordinates 402 and the mobile location coordinates 502. In addition, the guidance information generation unit 642 generates guidance route information for displaying the recommended walking route searched for on the mobile terminal device 200.

  In step S <b> 203, the guidance information generation unit 642 acquires the parking lot map data of the parking lot including the vehicle location coordinates 402 from the storage device 303. In addition, the guidance information generation unit 642 generates voice guidance information for voice guidance of the recommended walking route. Then, the guidance information generation unit 642 generates guidance information including the guidance route information, the parking lot map data, and the voice guidance information, and outputs the guidance information to the data transmission / reception device 302 via the output processing unit 641. To do.

  In step S204, the data transmission / reception device 302 transmits the obtained guidance information to the mobile terminal device 200, and ends the guidance information generation process S002.

  Next, the guidance process S003 performed in the mobile terminal device 200 will be described. FIG. 13 is a flowchart showing such processing. This flow is started when the guidance unit 625 receives a guidance instruction from the user via the input reception unit 620.

  In step S301, the guide unit 625 of the mobile terminal device 200 uses the guide route information included in the guide information and the point coordinates of the mobile terminal device 200 output from the GPS receiver 205 on the guide route. A map matching process for superimposing the current location of the mobile terminal device 200 is performed. In addition, the guidance unit 625 generates graphics information indicating the guidance route after the map matching process and the current location of the mobile terminal device 200. In addition, the guide unit 625 outputs the graphics information to the display 203 via the output processing unit 621. The display 203 displays an image indicating the acquired guidance route and the current location of the mobile terminal device 200. In addition, the guidance unit 625 causes the voice guidance information included in the guidance information to be output from the speaker via the output processing unit 621, and the process proceeds to step S302.

  In step S302, the guiding unit 625 determines whether the distance between the current location of the mobile terminal device 200 and the parking lot is within a predetermined distance (for example, within 30 m). If the distance between the current location of the mobile terminal device 200 and the parking lot is not within the predetermined distance (No in step S302), the guiding unit 625 returns the process to step S301. On the other hand, when the distance between the current location of the mobile terminal device 200 and the parking lot is within a predetermined distance (Yes in step S302), the guiding unit 625 moves the process to step S303.

  In step S303, the guidance unit 625 acquires parking lot map data included in the guidance information. In addition, the guidance unit 625 generates graphics information indicating the parking lot map data, and outputs the graphics information to the display 203 via the output processing unit 621. The display 203 displays the acquired map image of the parking lot, and the process proceeds to step S304.

  In step S304, the guiding unit 625 determines whether or not the mobile terminal device 200 has arrived at the parking position. Specifically, the guidance unit 625 determines whether the distance between the current location of the mobile terminal device 200 and the parking position is within a predetermined distance (for example, 10 m). If the distance between the mobile terminal device 200 and the parking position is not within the predetermined distance (No in step S304), the guiding unit 625 returns the process to step S303. On the other hand, when the distance between the mobile terminal device 200 and the parking position is within a predetermined distance (Yes in step S304), the guiding unit 625 ends the guiding process S003.

  The parking spot information generation process S001, the guidance information generation process S002, and the guidance process S003 in the present embodiment have been described above.

  Next, a specific example of this embodiment will be described. Note that step numbers are given in parentheses in descriptions corresponding to the steps of the flow.

  The in-vehicle device 100 and the mobile terminal device 200 accept an instruction from the user and establish a pairing c1 by short-range wireless communication with each other. When the pairing c1 is established, the in-vehicle device 100 transmits point information indicating the current location of the vehicle to the mobile terminal device 200 at a predetermined timing. When receiving the point information 400 from the in-vehicle device 100, the mobile terminal device 200 temporarily stores it in a predetermined recording medium (RAM 211) (step S101).

  In addition, when the ignition key of the vehicle is turned off, when the power source of the in-vehicle device 100 is turned off, or when the distance between the mobile terminal device 200 and the in-vehicle device 100 is more than a predetermined distance, etc. When the pairing c1 ends, the mobile terminal device 200 stores the spot information 400 in a predetermined recording medium (recording device 202), and simultaneously transmits the spot information 400 to the information providing apparatus 300 (steps S102 to S104).

  Further, the information providing apparatus 300 receives the point information 400 from the mobile terminal apparatus 200 and stores it in the recording apparatus 303.

  Next, when the information providing apparatus 300 receives the inquiry information 500 of the guidance information from the mobile terminal apparatus 200, the point information 400 where the in-vehicle apparatus identification information 401 that matches the in-vehicle apparatus identification information 501 in the inquiry information 500 is registered. Is identified. In addition, the information providing apparatus 300 uses the vehicle location coordinates 402 of the identified location information 400 and the mobile location coordinates 502 in the inquiry information 500 to provide a recommended walking route from the location where the mobile terminal device 200 is located to the parking location. The guide route information shown is generated (steps S201 to S203).

  Further, the information providing apparatus 300 acquires the parking lot map data of the parking lot including the vehicle location coordinates 402 from the storage device 303. Moreover, the information provision apparatus 300 produces | generates the audio guidance information for guide | inducing a user to the target parking position (step S203).

  In addition, the information providing apparatus 300 generates guidance information including the guidance route information, the parking lot map data, and the voice guidance information, and transmits the guidance information to the mobile terminal device 200 (steps S203 and 204).

  Next, when the portable terminal device 200 acquires the guidance information from the information providing device 300, the portable terminal device 200 stores the guidance information in a predetermined recording medium (recording device 202). In addition, when the mobile terminal device 200 receives an instruction to guide from the user to the parking position, the guide route information included in the guide information, the point coordinates of the mobile terminal device 200 output from the GPS receiving device 205, Is used to display image information indicating the guide route and the current location of the mobile terminal device 200 (step S301). FIG. 14 is a screen example 700 showing a walking route 703 (guidance route) connecting the current location 701 of the mobile terminal device and the parking lot position 702. The mobile terminal device 200 displays a screen example on the display 203 and outputs voice guidance information from a speaker to guide the user to a parking lot.

  In addition, when the user approaches the parking lot and the distance between the mobile terminal device 200 and the parking lot approaches within a predetermined distance (for example, 30 m), the mobile terminal device 200 displays a parking space indicating the arrangement status of the parking space. Is displayed (steps S302 and 303). FIG. 15 is an example screen 710 showing a parking space parking space arrangement state 711 and a vehicle parking position 712.

  When mobile terminal device 200 approaches within a predetermined distance (for example, 10 m) to parking position 712, the process of guiding the user to parking position 712 ends (step S304).

  The specific example of the guidance system 1 according to the present embodiment has been described above.

  According to such a guidance system according to the present invention, the user can be guided to the parking position without requiring a special instruction from the user. The user can reach the parking position by confirming the guide route displayed on the mobile terminal device. In addition, if vehicle identification information is registered in each mobile terminal device in advance, the user's family or the like can also obtain guidance information using the vehicle identification information as a key. As a result, parked vehicles can be used as a meeting place when going outside.

  In the guidance system 1 according to the present embodiment, the information providing device generates guidance information. However, the present invention is not limited to this embodiment. In the first modification of the present invention, the mobile terminal device generates guidance information and displays it on the display. That is, the guidance system according to the first modified example includes an in-vehicle device and a mobile terminal device. The portable terminal device according to the first modification generates guidance information by the same method as the information providing device of the above embodiment, and displays it on its own display.

  Also according to the invention according to the first modified example, the user can be guided to the parking position without requiring a special instruction from the user. Further, according to such an invention, even when the mobile terminal device and the information providing device cannot be connected via the Internet line, the mobile terminal device generates guidance information to the parking position and guides the user to the parking position. Can do.

  In the above-described embodiment, the mobile terminal device transmits the point information to the information providing device. However, in the second modification of the present invention, the in-vehicle device transmits the point information. That is, when the end of pairing with the mobile terminal device is detected, the point information is transmitted to the information providing device using the communication device provided in the in-vehicle device.

  Even with the invention according to the second modified example, the user can be guided to the parking position without requiring a special instruction from the user.

  In the above-described embodiment, the user is guided to the parking position by displaying image information indicating the guidance route and the current location of the mobile terminal device. However, the present invention is not limited to such an embodiment. In the guidance system concerning the 3rd modification of the present invention, character information is displayed and a user is guided to a parking position. That is, the information providing device of the guidance system according to the third modification generates character information for guiding the route and displays it on the mobile terminal device.

  The invention according to the third modified example can guide the user to the parking position without requiring a special instruction from the user. Further, according to the character information, it is possible to reduce the processing load of the mobile terminal device as compared with the image information.

  In the above-described embodiment, the route information from the current location of the mobile terminal device to the parking position is displayed to guide the user, but the present invention is not limited to such an embodiment. In the 4th modification of this invention, the map image of the parking lot which shows the arrangement | positioning condition of a parking space is displayed, and a user is induced | guided | derived. That is, only the map image of the parking lot is displayed without displaying the current route of the mobile terminal device or the guidance route to the parking position. As described above, even if the map image of the parking lot is displayed, if the user is not far from the parking position, the user can reach the parking position only by checking the map image of the parking lot.

  In the above-described embodiment, when the mobile terminal device detects the end of pairing with the in-vehicle device, the point information is transmitted to the information providing device at the detected timing. However, the present invention is not limited to this embodiment. In the fifth modification of the present invention, when the mobile terminal device detects the end of pairing with the in-vehicle device, the point information is transmitted to the information providing device after a predetermined time has elapsed. Specifically, when detecting the end of pairing, the mobile terminal device confirms the connection status of pairing again after a predetermined time (for example, 5 minutes) has elapsed since the detection. If the end of pairing is detected even at that time, the portable terminal device transmits the point information stored in the recording device to the information providing device. On the other hand, if it is detected that pairing has been established after the lapse of a predetermined time, the mobile terminal device does not transmit the point information to the information providing device.

  According to the fifth modified example, it is possible to prevent unnecessary point information transmission processing that is executed even when the pairing connection state is unstable.

  When the mobile terminal device and the information providing device cannot be connected, the system end terminal device may transmit the point information when the connection is established. In this way, even if it is not possible to connect to the information providing apparatus due to a problem with the Internet line or the like, the point information can be transmitted to the information providing apparatus if such a problem is recovered.

  Further, the mobile terminal device may transmit the point information to the information providing device at a timing at which a guidance request instruction is received from the user.

1 ... Guidance system,
DESCRIPTION OF SYMBOLS 100 ... Car-mounted apparatus, 200 ... Portable terminal device, 300 ... Information provision apparatus

Claims (7)

Upon detecting the end of communication established with the in-vehicle device, the point information indicating the point before the end of the communication is transmitted to the server,
When receiving a guide request to the point, the mobile terminal device receives guide information for guiding to the point from the server, and guides using the guide information. A communication means for establishing communication with the in-vehicle device;
When detecting the end of the communication, transmitting means for transmitting to the server point information indicating the latest point acquired from the in-vehicle device,
Receiving a guidance request to the point, receiving means for receiving guidance information for guiding to the point from the server;
Guidance means for performing guidance using the guidance information;
A portable terminal device comprising: A communication means for establishing communication with the in-vehicle device;
When detecting the end of the communication, storage means for storing point information indicating the latest point acquired from the in-vehicle device,
When receiving a guide request to the point, guide information generating means for generating guide information for guiding to the point;
Guidance means for performing guidance using the guidance information;
A portable terminal device comprising: In the portable terminal device according to claim 2 or 3,
A destination point specifying means for specifying a destination point different from the point indicated by the point information,
The mobile terminal device, wherein the guide information is information that guides from the destination point to a point indicated by the point information. In the portable terminal device according to claim 2 or 3,
The guidance information includes at least one of map guidance information for displaying and guiding a map, character guidance information for displaying and guiding a character, and voice guidance information for outputting and guiding a voice. ,
The guiding means includes
A portable terminal device that performs guidance using at least one of the map guidance information, the character guidance information, and the voice guidance information. A point specifying means for specifying the point where the vehicle is located;
A communication means for establishing communication with the mobile terminal device;
When detecting the end of the communication, transmitting means for transmitting the point information indicating the latest point to the server,
A vehicle-mounted device comprising: A guidance system composed of an in-vehicle device, a mobile terminal device, and a server,
The server
Acquisition means for acquiring point information indicating a point where the vehicle is located, and destination point information indicating a destination point different from the point indicated by the point information;
Guidance information generating means for generating guidance information for performing guidance from the destination point to the point where the vehicle is located based on the point information and the destination point information;
The in-vehicle device is
First communication means for establishing communication with the mobile terminal device;
A point specifying means for specifying the point where the vehicle is located;
Transmitting means for transmitting the spot information indicating the specified spot to the mobile terminal device,
The mobile terminal device is a second communication means for establishing communication with the in-vehicle device,
First receiving means for receiving the point information;
When detecting the end of the communication, transmitting means for transmitting to the server point information indicating the latest point acquired from the in-vehicle device,
When receiving a guide request to the point, second receiving means for receiving the guide information from the server;
Guidance means for performing guidance using the guidance information;
A guidance system comprising:

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