JP4568314B2 - Information collection / distribution system, information collection / distribution server, user terminal device, and information collection / distribution method - Google Patents

Description

  The present invention relates to an information collection / distribution system for pedestrians, an information collection / distribution server, a user terminal device, and an information collection / distribution method. In particular, when a pedestrian gets on a taxi, The present invention relates to an information collection / distribution system, an information collection / distribution server, a user terminal device, and an information collection / distribution method that can guide the boarding position so that the user can get on the vehicle immediately.

2. Description of the Related Art Conventionally, a navigation device and a navigation system that guide a user by searching for a route from a desired departure place to a destination using map data and road data are known.
As such a navigation apparatus and navigation system, a car navigation apparatus that is mounted on an automobile and guides a route to a driver has been put into practical use.

  The car navigation device uses a GPS (Global Positioning System), receives GPS signals transmitted from a plurality of GPS satellites orbiting the earth with a GPS antenna, The position is specified by analyzing the satellite position and clock information included in the signal.

  In recent years, the performance of mobile communication terminal devices such as mobile phones and PHS has been dramatically improved, and multifunctionalization has been progressing. In particular, the data communication function is strengthened in addition to the call function, and various data communication services are provided to users via the Internet. In particular, a mobile phone called a third generation is equipped with a positioning unit that has been mounted only on some mobile phones so far, for example, a GPS receiver that receives signals from GPS satellites and performs positioning. There is a tendency to be installed in all models.

  As an application technology, the in-vehicle navigation device (car navigation system) has been developed, a mobile phone is used as a navigation terminal, a route search request is sent to the route search server, and the map / route guidance distributed from the route search server as a result. A communication-type navigation system for pedestrians has also been put into practical use.

The navigation system for pedestrians preferably has a route guidance function including transportation, and the route search server is created from the route and operation time data of the transportation in addition to the road network data for searching the walking route. It stores traffic network data.
The pedestrian navigation system searches for a route from the departure point to the destination using walking and transportation based on the route search conditions such as departure date and time, departure point, destination and arrival time specified by the user. I will guide you.

  By the way, if you want to use a taxi, go to the taxi pool at the station and take a taxi, stand on the road where the taxi is likely to pass, wait for the taxi to pass, or contact the taxi company There was a way to get a car. Recently, however, various systems have been developed to enhance the convenience of taxi use.

  For example, the following Patent Document 1 (Japanese Patent Application Laid-Open No. 2004-110758) discloses a system for obtaining a taxi dispatch using a portable terminal displaying a taxi located in the vicinity of a user on a map. It is disclosed as a taxi dispatch system that displays the location of the vehicle on a map and calls a selected taxi. In Patent Document 1, the taxi terminal and the customer terminal each send position information to the taxi dispatch center, and the taxi dispatch center synthesizes it into map information and sends it to the customer terminal, so that the customer can make a plurality of taxis on the map. The taxi dispatch center selects one of the taxis, and sends the customer's location information to the selected taxi.

  With the user can even without knowing the phone number of a taxi company receive the dispatch of taxi by this, to understand whether or taxi positions us taxis come in how much of the time because it is clear, also, taxi You can check the approaching taxi, so you can easily find the taxi you called.

  In addition, as a system for requesting vehicle allocation after displaying the arrival time and fare information of taxis located in the vicinity, the following Patent Document 2 (Japanese Patent Application Laid-Open No. 2004-157698) describes “Taxi service system, portable terminal device and It is disclosed as a taxi service method and program used therefor. In this Patent Document 2, the arrival time at which the taxi arrives at the current position of the terminal is calculated from the current position information of the terminal and the position information of the taxi acquired by the GPS function, and acquired from the taxi information server. It describes the technology to display taxi information such as the first boarding fee. As a result, the user can easily know the arrival time of the taxi without inputting the current position.

JP 2004-110758 A (paragraph [0005], FIG. 3) JP 2004-157698 A (paragraphs [0017] to [0020], FIG. 1)

  However, in the system described in Patent Document 1, when a user makes a request for taxi dispatch once using a mobile terminal, an empty car taxi dispatched toward the location of the user who made the request arrives. Even if another empty taxi passes by before, there is a problem that the user cannot use the empty taxi morally. In addition, if the taxi located near the user is too close to the user, it may be inconvenient to make a vehicle allocation request, such as passing the user's surroundings during the vehicle allocation process. There is a request to quickly pick up an empty taxi without going.

  The system for notifying the taxi arrival time described in the above cited reference 2 is effective when the taxi is in the vicinity of the user, but there is a considerable distance from the current location to the taxi, and the taxi is sent to the user. When the vehicle is not traveling, there is no utility value for the user. Therefore, it would be convenient if there was a system for notifying an empty taxi traveling toward the user around the user's current location.

  As a result of various studies to solve the above problems, the inventor of the present application periodically collects position information, traveling direction information, and empty vehicle information from empty taxis and accumulates empty taxi information databases, When there is a request, from the empty taxi information database, among the empty taxis in the required area, information on taxis in the traveling direction approaching the user's position can be distributed to the user, so that the above problem can be solved. The present invention has been conceived and completed.

  That is, the present invention aims to solve the above-mentioned problems, and presents a place or road where the user is likely to be able to get on a desired taxi without fail while giving priority to the convenience of picking up a taxi on the road. The purpose is to provide a system.

In order to solve the above problems, the invention according to claim 1 of the present invention provides:
An information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The taxis in the direction of travel approaching the position of the user terminal device are extracted from the empty taxis, and the number is counted for each direction approaching the position of the user terminal device, and the position of the user terminal device in the user terminal device It is characterized by guiding information on taxis including the number of cars counted for each direction approaching .

The invention according to claim 2 of the present invention is
An information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The route search to the user terminal device is performed among the empty car taxis, and the taxi that can reach the position of the user terminal device without including a U-turn or a predetermined number of right and left turns is extracted. Information about the extracted taxi is guided .

The invention according to claim 3 of the present invention is the information collection / distribution system according to claim 1 or claim 2,
The information collection / distribution system includes a map database,
The information collection / distribution server obtains map data of the predetermined area from the map database in response to an inquiry about empty taxi information of the predetermined area from the user terminal device, and extracts the information about the extracted taxi from the map It is reflected in the data and distributed to the user terminal device .

The invention according to claim 4 of the present invention is the information collection / distribution system according to claim 1 or claim 2 ,
The extracted information about the taxi includes a current position of the taxi and attribute information of the taxi .

The invention according to claim 5 of the present invention is the information collection / distribution system according to claim 4 ,
The taxi attribute information is guided by icon display .

The invention according to claim 6 of the present invention is
An information collection / distribution server constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The taxis in the direction of travel approaching the position of the user terminal device are extracted from the empty taxis, and the number is counted for each direction approaching the position of the user terminal device, and the position of the user terminal device in the user terminal device It is characterized by guiding information on taxis including the number of cars counted for each direction approaching .

The invention according to claim 7 of the present invention is
An information collection / distribution server constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The route search to the user terminal device is performed among the empty car taxis, and the taxi that can reach the position of the user terminal device without including a U-turn or a predetermined number of right and left turns is extracted. Information about the extracted taxi is guided.

The invention according to claim 8 of the present invention is the information collection / distribution server according to claim 6 or 7,
The information collection / distribution system includes a map database,
The information collection / distribution server obtains map data of the predetermined area from the map database in response to an inquiry about empty taxi information of the predetermined area from the user terminal device, and extracts the information about the extracted taxi from the map It is reflected in the data and distributed to the user terminal device.

The invention according to claim 9 of the present invention is the information collection / distribution server according to claim 6 or 7 ,
The extracted information about the taxi includes a current position of the taxi and attribute information of the taxi.

The invention according to claim 10 of the present invention is the information collection / distribution server according to claim 9,
The taxi attribute information is guided by icon display.

The invention according to claim 11 of the present invention is
A user terminal device constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device equipped in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The taxis in the direction of travel approaching the position of the user terminal device are extracted from the empty taxis, and the number is counted for each direction approaching the position of the user terminal device, and the position of the user terminal device in the user terminal device It is characterized by guiding information on taxis including the number of cars counted for each direction approaching .

The invention according to claim 12 of the present invention provides
A user terminal device constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device equipped in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The route search to the user terminal device is performed among the empty car taxis, and the taxi that can reach the position of the user terminal device without including a U-turn or a predetermined number of right and left turns is extracted. Information about the extracted taxi is guided .

According to a thirteenth aspect of the present invention, in the user terminal device according to the eleventh or twelfth aspect,
The information collection / distribution system includes a map database,
The information collection / distribution server obtains map data of the predetermined area from the map database in response to an inquiry about empty taxi information of the predetermined area from the user terminal device, and extracts the information about the extracted taxi from the map The information relating to the taxi reflected in the map data in the user terminal device is guided by being reflected in the data .

According to a fourteenth aspect of the present invention, in the user terminal device according to the eleventh or twelfth aspect ,
The extracted information about the taxi includes a current position of the taxi and attribute information of the taxi .

According to a fifteenth aspect of the present invention, in the user terminal device according to the fourteenth aspect ,
The taxi attribute information is guided by icon display .

The invention according to claim 16 of the present invention provides
An information collection / distribution method in an information collection / distribution system in which a taxi terminal device equipped with a taxi, an information collection / distribution server, and a user terminal device are connected via a network,
(1) When the taxi terminal device detects that the host vehicle is an empty vehicle, the taxi terminal device detects a traveling position and a traveling direction, and includes taxi information including the detected traveling position and a traveling direction along a road link. Transmitting the information to the information collection / distribution server;
(2) In the information collection / distribution server, storing the taxi information received from the taxi terminal device in an empty taxi information database;
(3) The user terminal device transmits an inquiry about empty taxi information in a predetermined area;
(4) The information collection / distribution server refers to the empty vehicle taxi information database and extracts a taxi in a traveling direction that approaches the position of the user terminal device from empty taxis in a predetermined area, and the position of the user terminal device A step of counting the number in each direction approaching
(5) In the user terminal device, guiding information related to taxis including the number of vehicles counted for each direction approaching the position of the user terminal device;
It is characterized by providing .

The invention according to claim 17 of the present invention provides
An information collection / distribution method in an information collection / distribution system in which a taxi terminal device equipped with a taxi, an information collection / distribution server, and a user terminal device are connected via a network,
(1) When the taxi terminal device detects that the host vehicle is an empty vehicle, the taxi terminal device detects a traveling position and a traveling direction, and includes taxi information including the detected traveling position and a traveling direction along a road link. Transmitting the information to the information collection / distribution server;
( 2) In the information collection / distribution server, storing the taxi information received from the taxi terminal device in an empty taxi information database;
(3) The user terminal device transmits an inquiry about empty taxi information in a predetermined area;
(4) The information collection / distribution server refers to the empty taxi information database and searches for a route to the user terminal device among empty taxis in a predetermined area, and includes a U-turn or a predetermined number of right and left turns Extracting a taxi that can reach the position of the user terminal device without,
(5) guiding information on the extracted taxi in the user terminal device;
It is characterized by providing.

The invention according to claim 18 of the present invention is the information collection / distribution method according to claim 16 or claim 17, wherein
The information collection / distribution system includes a map database,
The step (4) is characterized in that the information collection / distribution server acquires map data of the predetermined area from the map database, and reflects the extracted taxi information in the map data .

An invention according to claim 19 of the present invention is the information collection / distribution method according to claim 16 or claim 17,
In the step (5), the extracted information about the taxi includes a current position of the taxi and attribute information of the taxi .

The invention according to claim 20 of the present invention is the information collection / distribution method according to claim 19 ,
The taxi attribute information is guided by icon display .

By the above means, the present invention has the following excellent effects. That is, according to the invention according to claim 1, the information collection / distribution server receives taxi information including the travel position and the travel direction from the taxi terminals installed in a plurality of taxis, and stores it in the empty taxi information database. Thus, a database indicating where and in which direction the empty taxi is traveling is constructed, and the extracted information on the taxi includes information on the number of the taxis counted for each direction approaching the position of the user terminal device. Configured.

According to such a configuration, when the user desires to take a taxi, the empty taxi information request means provided in the user terminal device makes an inquiry about the information of the empty taxi by operating the user terminal device possessed by the user. The information collection / distribution server extracts from the empty taxi information database the taxis in the traveling direction that approaches the position of the user terminal device among the empty taxis in the predetermined area, and distributes the information to the user terminal device that made the inquiry. To do. As a result, the user can easily recognize where the desired empty taxi can be boarded, and a taxi that approaches the current position of the user is extracted for each road link in an area larger than the range that can be displayed on the user terminal device. Therefore, it becomes possible to grasp the tendency of taxis to approach the current position in a wider range .

Further, according to the invention of claim 2, the information collection / distribution server receives taxi information including the travel position and travel direction from taxi terminals installed in a plurality of taxis, and stores it in the empty car taxi information database. A database indicating where and in which direction the empty taxi is traveling, and the empty taxi information extracting means performs a route search to the user terminal device among the empty taxis in the predetermined area, and makes a U-turn or A taxi that can reach the position of the user terminal device without including a predetermined number of turns is extracted .

According to such a configuration, it is unclear how each taxi travels after transmitting the taxi information, but a route search from the taxi to the current location of the user terminal device is performed, for example, a U-turn It is possible to extract a taxi that has a high possibility of reaching the position of the user terminal device if there is no right / left turn within one route, and the user is likely to be able to get a desired empty taxi at any location. Or can be easily recognized.

According to a third aspect of the invention, in the information collection / distribution system according to the first or second aspect, the extracted taxi information is reflected in the map data and distributed to the user terminal device. .

According to such a configuration, the user can receive data having excellent visibility, and can easily identify a place where a desired taxi is easily picked up. If this system is combined with a navigation function or the like, route guidance from the current location to a predetermined position where there is a high possibility of picking up a taxi can be performed.

According to a fourth aspect of the present invention, in the information collection / distribution system according to the first or second aspect, the extracted taxi information includes the current position of the taxi and the attribute information of the taxi. Configured.
According to such a configuration, the user can receive data with excellent visibility and can easily identify a desired taxi.

According to the invention of claim 5, in the information collection / distribution system according to claim 4 , the taxi attribute information is guided by icon display.

According to such a configuration, the user can receive data with excellent visibility and can easily identify a desired taxi. In addition, since the icon is displayed simply, the display screen can be effectively used even when a terminal device having a relatively small display screen such as a mobile phone is used as the user terminal device.

Moreover, according to the invention concerning Claim 6 -Claim 10 , it becomes possible to provide the information collection / delivery server which comprises the information collection / delivery system concerning Claim 1-Claim 5 , respectively.

Moreover, according to the invention concerning Claim 11 -Claim 15 , it becomes possible to provide the user terminal device which comprises the information collection and delivery system concerning Claim 1-Claim 5 , respectively.

Moreover, according to the invention concerning Claim 16 -Claim 20 , it becomes possible to provide the information collection / delivery method for implement | achieving the information collection / delivery system concerning Claim 1-Claim 5 , respectively.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and the accompanying drawings. However, the embodiments shown below exemplify an information collection / distribution system for embodying the technical idea of the present invention, and are intended to identify the present invention as this information collection / distribution system. However, the present invention is equally applicable to the information collection / distribution system of other embodiments included in the scope of claims.

  FIG. 1 shows an overall schematic diagram of an information collection / distribution system in this embodiment. The information collection / distribution system 10 includes a taxi terminal device 40 installed in a plurality of taxis, a user terminal device 20 possessed by a pedestrian user, a taxi information collection / distribution server 50, and a taxi information collection / distribution server 50, respectively. An empty taxi information database 60 built in or connected, a navigation server 30, a taxi attribute information database 70 built in or connected to the navigation server 30, a map database 80, and a route search network database 90, respectively. Each of them is connected via the network 12.

  FIG. 2 shows an internal block diagram of the taxi terminal device 40 and the taxi information collection / distribution server 50 that constitute the information collection / distribution system 10 in this embodiment. The taxi terminal device 40 includes a control unit 41, a communication unit 42, a GPS reception unit 43 as a current position detection unit and a traveling direction detection unit, an empty vehicle determination unit 44, and a taxi information editing unit 45.

  The control means 41 is a processor including a CPU, a ROM, and a RAM, and operates and controls the functions of the respective units in the taxi terminal device 40 by executing a program stored in the ROM or RAM on the CPU. The communication means 42 is an interface for converting the taxi information generated by the taxi information editing means 45 into a communicable data form and transmitting it to the network 12.

  The GPS receiving means 43 is for receiving a signal from a GPS satellite and calculating the current position and traveling direction of a taxi where the taxi terminal device 40 is installed. Further, the current position detecting means of the present invention is not limited to the GPS receiving means 43 of the present embodiment, but is a combination of a vehicle speed sensor, an acceleration sensor, etc., or a means for detecting a traveling position by other methods. May be. Further, the traveling direction detecting means of the present invention is not limited to the GPS receiving means 43 of the present embodiment, but may be a means for detecting the traveling direction by a steering angle sensor or other methods.

  The empty vehicle discriminating means 44 is for discriminating whether or not the taxi where the taxi terminal device 40 is installed is an empty vehicle. Specifically, the empty vehicle determination means 44 can be realized by linking with a taxi meter or an actual empty vehicle indicator (super sign), and can determine whether the vehicle is running or empty with a passenger on board. .

  The taxi information editing unit 45 can create taxi information by processing together with the position coordinates and traveling direction of the current position detected by the GPS receiving unit 43, the vehicle radio ID, the date and time, and the like, and can transmit the taxi information to the taxi information collection / distribution server 50 It is something to be edited. The taxi information edited by the taxi information editing means 45 is converted into an appropriate data format by the communication means 42 and then transmitted to the taxi information collection / distribution server 50 via the network 12 by wireless or the like.

  The taxi information collection / distribution server 50 includes a control means 51, a communication means 52, a taxi information statistical processing means 53, and an empty car taxi information extraction means 54, and whether an empty car taxi information database 60 is connected. It is built in.

  The control means 51 is a processor including a CPU, a ROM, and a RAM, and operates and controls the functions of each unit in the taxi information collection / distribution server 50 by executing a program stored in the ROM or RAM on the CPU. Is.

  The communication unit 52 receives taxi information transmitted from the taxi terminal device 40 via the network 12 and converts the taxi information into an appropriate data format. The communication unit 52 also includes a navigation server 30 and a user terminal described later from the taxi information collection / distribution server 50. It is an interface for transmitting data relating to the position of an empty taxi to the device 20.

  The taxi information statistical processing means 53 performs statistical processing on the taxi information transmitted from the taxi terminal device 40 installed in each of the plurality of taxis, and stores the taxi information in the empty taxi information database 60. Specifically, the position coordinate, traveling direction, wireless ID, and date / time information are acquired from the taxi information and stored in the empty taxi information database 60.

  The empty taxi information extracting means 54 is in a traveling direction approaching the position of the user terminal device 20 among the empty taxis in the desired area designated by the user in the user terminal device 20 from the taxi information stored in the empty taxi information database 60. The taxi is extracted, the taxi information is acquired and transmitted to the navigation server 30.

  Specifically, the empty taxi information extracting unit 54 is configured to detect the actual distance in the diagonal direction of the map screen displayed by the user terminal device 20 and the current position of the user terminal device 20 transmitted from the user terminal device 20. From the empty taxi information database 60, the taxi information is extracted from the empty taxi information database 60 with the diagonal distance displayed by the user terminal device 20 as the diameter centered on the latitude and longitude of the current position. It is read from the empty taxi information database 60 and transmitted to the navigation server 30.

  FIG. 3 shows an internal block diagram of the user terminal device 20 and the navigation server 30 constituting the information collection / distribution system 10 in the present embodiment. The user terminal device 20 includes a control unit 21, a communication unit 22, a GPS reception unit 23, an empty taxi information request unit 24, a guidance data storage unit 25, a display unit 26, and an operation input unit 27.

  The control means 21 is a processor including a CPU, a ROM, and a RAM, and operates and controls the functions of each unit in the user terminal device 20 by executing a program stored in the ROM or RAM on the CPU. The communication means 22 converts the empty taxi information request generated by the empty taxi information request means 24 into a communicable data form and transmits it to the network 12 and receives the empty car received from the navigation server 30 or the taxi information collection / distribution server 50. It is an interface for receiving taxi information and route guidance data.

  The GPS receiving unit 23 receives a signal from a GPS satellite and calculates the position of the user terminal device 20. In the present embodiment, the GPS receiving unit 23 is used to detect the position of the user terminal device 20, but the present invention is not limited to this, and other position detecting units may be used.

  When the user requests the empty taxi information by operating the operation input means 27 of the user terminal device 20, the empty taxi information requesting means 24, for example, the current position information calculated by the GPS receiving means 23 and An empty taxi information request to which other conditions specified by the user or set in the user terminal device 20 are added is created. This empty taxi information request includes information on the actual distance in the diagonal direction of the map screen displayed on the display means 26 of the user terminal device 20. The empty taxi information request generated by the empty taxi information request unit 24 is transmitted to the navigation server 30 via the communication unit 22 and the network 12.

  The guidance data storage means 25 stores route guidance data and empty car taxi information transmitted from the navigation server 30.

  The display means 26 displays various guidance input screens on a display screen of a liquid crystal unit or the like provided in the user terminal device 20, and displays empty taxi information together with a map image or the like.

  The operation input means 27 is a variety of input devices such as a keyboard provided on the user terminal device 20 or a touch panel formed integrally with the display means 26, including setting and input of conditions in the empty taxi information requesting means 24. This is for the user to input each setting and information.

  The navigation server 30 includes a control means 31, a communication means 32, a route search means 33, a guide route data editing means 34, an empty taxi information requesting means 35, an empty car taxi information extracting means 36, and an empty car taxi information guidance means 37. Furthermore, a taxi attribute information database 70, a map database 80, and a route search network database 90 are connected or built in.

  The control means 31 is a processor including a CPU, a ROM, and a RAM, and operates and controls the functions of the respective units in the navigation server 30 by executing a program stored in the ROM or RAM on the CPU. The communication unit 32 is a communication interface for transmitting / receiving communication data to / from the user terminal device 20 and the taxi information collection / distribution server 50 via the network 12.

  The route search means 33 searches, for example, a route from the current location to the destination with reference to the route search network database 90 based on an instruction from the user terminal device 20. The guide route data editing means 34 is for editing the route searched by the route search means 33 for delivery to the user terminal device 20, and superimposes the map data acquired from the map database 80 on the route and various kinds of information. The route guidance data is created by adding the above information.

  Upon receipt of the empty taxi information request from the user terminal device 20, the empty taxi information requesting unit 35 refers to this information, edits the empty taxi information request as necessary, and sends the empty taxi information to the taxi information collection / distribution server 50. Request information.

  The empty taxi information extraction unit 36 narrows down taxis that may approach the current position of the user terminal device 20 from the empty taxi information data received from the taxi information collection / distribution server 50. That is, the route search means 33 searches for a route from the taxi in the empty vehicle taxi information to the node near the current position of the user terminal device 20, and the empty vehicle taxi information extraction means 36 makes a U-turn or a predetermined number of times or more on the route search result. Check if the route does not include a left turn. Then, for example, if the turn does not include a U-turn and the left / right turn is within one time, the taxi that is likely to reach the user terminal device 20 is extracted.

  It should be noted that taxis may be further narrowed down under the condition that the route distance is equal to or less than the diagonal distance of the display screen. Further, without using the route search function, an empty taxi in which the traveling direction (link direction) of the taxi and the direction in which the current position of the user terminal device 20 is viewed from the taxi may be extracted within 90 degrees.

  The empty taxi information guide unit 37 acquires attribute information associated with the radio ID of the taxi extracted by the empty taxi information extraction unit 36 from the taxi attribute information database 70, edits the data of the empty taxi information, and further edits the map database 80. The map data and the like of a predetermined area are acquired from the image data and superimposed to create data that can be distributed.

  The taxi attribute information database 70 stores taxi attribute information associated with the radio ID of each taxi. This taxi attribute information includes information on the initial fare for each taxi, information on whether credit card payment is supported, information on taxis such as personal taxis, information on the size of vehicles such as large and small cars, smoking in the car It contains information about whether or not it is possible.

  In FIG. 1, the taxi attribute information database 70 is configured to be managed by the navigation server 30, but is not limited thereto, and the taxi attribute information database 70 is managed by the taxi information collection / distribution server 50. It is also possible to do. In particular, when the system is configured to be used by a plurality of taxi companies, the data format is unified and the taxi attribute information database 70 is connected to the taxi information collection / distribution server 50 of each taxi company for management. It is preferable to configure so as to.

  The map database 80 stores map images of a predetermined scale. Further, in the route search network database 90, road end points, intersections, and bending stores are nodes, roads connecting the nodes are represented by directional links, node data (node latitude / longitude), link data (Link number) and link cost data using the link cost of each link (link distance or time required to travel the link) as data.

  Next, with reference to FIG. 4 to FIG. 6, the flow of processing of each part of the information collection / distribution system in the first embodiment will be described. 4 is an operation sequence diagram showing the operation of each part of the information collection / distribution system according to the first embodiment. FIGS. 5 and 6 show examples of display screens of the user terminal device according to the first embodiment. (A) is a guidance screen displaying a map image around the current location, FIG. 5 (b) is a menu screen, and FIG. 6 is a diagram showing an empty taxi information guidance screen.

  First, the user terminal device 20, the navigation server 30, the taxi terminal device 40, and the taxi information collection / distribution server 50 are each in a standby state. First, in step S-401, in the taxi terminal device 40, the empty vehicle determining means 44 determines whether or not the own vehicle is an empty vehicle. This can be done by interlocking with taximeters or actual empty vehicle indicators (super sign) whose operation settings are different between passengers and when they are empty.

  If it is detected that the taxi is empty, the taxi that is empty in step S-402 detects the current position and the traveling direction. This is performed by the GPS receiving means 43 of the taxi terminal device 40 receiving a signal from a GPS satellite and calculating the current position and traveling direction. Subsequently, in step S-403, in addition to the current position and the traveling direction calculated by the taxi information editing means 45, information such as the wireless ID and the date / time is edited to create data that can be transmitted to the taxi information collection / distribution server 50. To do. Then, the edited empty taxi information is transmitted to the taxi information collection / distribution server 50 via the network 12 in step S-404.

  In the present embodiment, the method of detecting the current position and the traveling direction and generating the empty taxi information when it is determined that the taxi is empty is not limited to this. For example, the position and direction of a taxi may be detected (for example, every 10 seconds), and it may be determined whether or not the vehicle is empty each time, and the empty vehicle information is added to the empty vehicle taxi information to create data. Transmission of empty taxi information from the taxi terminal device 40 to the taxi information collection / distribution server 50 may be performed each time the current position is detected, but the taxi terminal device 40 stores a history of empty taxi information over a certain period of time. In addition, the taxi information collection / distribution server 50 may be collectively transmitted.

  When the taxi information collection / distribution server 50 receives the empty taxi information transmitted from the taxi terminal device 40 in step S-501, the taxi information statistical processing means 53 statistically processes the empty taxi information. This acquires position information, travel information, and date / time information, and classifies them by radio ID. The statistically processed data is stored in the empty taxi information database 60 in step S-502, and the taxi information collection / distribution server 50 enters a standby state.

  In step S-201, when the user operates the operation input means 27 to input a map display request centered on the current location, the user receiving device 20 detects the current position in step S-202. In step S-203, the navigation server 30 is requested to display a map centering on the current location.

  When the navigation server 30 receives the map display request, in step S-301, the route search means 33 refers to the map database 80 to extract a map image centered on the current position, and the guide route data editing means 34 performs the step. In S-302, guidance data is created and transmitted to the user terminal device 20.

  In step S-303, the created map data is transmitted to the user terminal device 20, and a map display screen 510 as shown in FIG. 5A is displayed on the display means 26 of the user terminal device 20. . The map display screen 510 includes a map image 511, a mark 512 indicating the current position where the user is currently located, and a menu icon 513. Here, when the user selects the menu icon 513, a menu screen 520 as shown in FIG. 5B is displayed.

  Menu screen 520 includes a plurality of menu items 521. These menu items include, for example, “route search” for searching for a suitable route to a destination specified by the user separately from the current position as a departure point, “parking search” for providing parking information around the current location, "Transfer guidance" that guides the route using the railway to the destination specified by the user, "Gourmet search" that provides information about restaurants and restaurants around the current location, "Taxi information" that provides information on empty taxis is there.

  In this embodiment, when the user selects the “taxi information” menu item, it is considered that an empty taxi information request is input in step S-204, and the empty taxi information requesting means 24 is located at the current position (step S-205). The latitude / longitude information) and the empty vehicle taxi information request including the actual distance in the diagonal direction of the map screen displayed on the display means 26 are transmitted to the navigation server 30.

  In this embodiment, an empty taxi information request is input from a menu item. However, the present invention is not limited to this, and an empty vehicle is obtained by pressing a specific key (for example, “7” on the numeric keypad) of the operation input means 27. A taxi information request may be transmitted to the navigation server 30.

  When the navigation server 30 receives the empty taxi information request from the user terminal device 20, the navigation server 30 edits the conditions such as the current location and the date and time and makes an empty taxi information request to the taxi information collection / distribution server 50 (step S-304).

  When the taxi information collection / distribution server 50 receives the empty taxi information request, in step S-503, the empty taxi information extraction means 54 refers to the empty taxi information database 60, and among the empty taxis near the current location, the user terminal device 20 A taxi in the traveling direction approaching the position is extracted, and the information is acquired and transmitted to the navigation server 30 in step S-504.

  Based on the empty taxi information received by the navigation server 30, taxis that are likely to reach the user terminal device 20 are narrowed down by the empty taxi information extraction means 36 in step S-305. The narrowed empty taxi information is edited with the attribute information stored in the taxi attribute information database 70 by the empty taxi information guide means 37 in step S-306, or the map image stored in the map database 80, etc. An empty car taxi guide is created.

  In step S-307, the navigation server 30 transmits the created empty taxi guidance to the user terminal device 20, and the user terminal device 20 displays an empty taxi information guidance screen 530 as shown in FIG. Step S-206).

  The empty taxi information guidance screen 610 includes an icon 614 for indicating information on empty taxis and an image 616 indicating information on empty taxis in addition to the map image 611 and the mark 612 indicating the current position shown in FIG. , 618. In the images 616 and 618 showing the information on the empty taxi, the taxi mark is shown at the taxi position. The attributes of each empty taxi are the first fare information, credit card payment information, etc. It is expressed.

  In FIG. 6, roads represented by road links 624 and 626 intersect the roads represented by road links 620 upward from the present location on the left and right, respectively. 616 is displayed. In the image 616 indicating the information on the empty taxi, an icon indicating that the initial fare is 650 yen and an icon indicating credit card settlement are displayed next to the taxi mark.

  In addition, an image 618 indicating information on an empty car taxi is displayed on the road represented by the road link 622 going downward from the current location. In the image 618 indicating the information on the empty taxi, an icon indicating that the initial fare is 500 yen is shown under the taxi mark.

  Thereby, the user can instantly grasp the presence or absence of a taxi approaching the current location, can move to a desired position according to this guidance display, and can pick up a taxi. In addition, if a taxi does not come, you can move on to requesting a vehicle.

  Next, the configuration of the second embodiment of the present invention will be described. The configuration of the information collection / distribution system according to the second embodiment is basically the same as that of the first embodiment shown in FIG. Further, the configuration of the taxi terminal device and taxi information collection / distribution server constituting this system is the same as the configuration shown in FIG. 2, and the configuration of the user terminal device and the navigation server is also the same as the configuration shown in FIG. Further, the processing flow of each part of the information collection / distribution system in the second embodiment is basically the same as the operation sequence shown in FIG.

  The difference from the first embodiment is that since the range of the map that can be displayed on the user terminal device 20 is narrow, the empty taxi information extraction means 54 of the taxi information collection / distribution server 50 is larger than the display range, for example, a radius of 200 m from the current position. The empty taxis in the range are extracted, and the taxi information is read from the empty taxi information database 60 and transmitted to the navigation server 30.

  Then, the empty taxi information extracting means 36 of the navigation server 30 extracts taxis that do not include a U-turn and can reach the current position on a route that makes a right or left turn within one time, and the number of taxis is determined for each road link that reaches the current position. Aggregated and empty taxi information guide means 37 can edit the number data of the empty taxis collected in association with the road links, and further obtain map data of a predetermined area from the map database 80 and superimpose and distribute it. The point of creating data is different from the first embodiment.

FIG. 7 shows an example of a display screen of the user terminal device 20 according to the second embodiment, and is a diagram showing an empty taxi information guide screen.
In addition to the map image 711 and the current position 712 shown in FIG. 5A, the empty taxi information guidance screen 710 includes an icon 714 for indicating empty taxi information and an image 716 indicating empty taxi information. , 717, 718. In the images 716, 717, and 718 showing the information of the empty taxi, the taxi mark is shown on the road where the taxi is running toward the current location, and the number information is used as an icon to represent the taxi mark. .

  In FIG. 7, roads represented by road links 720 and 726 intersect with the roads represented by road links 720 upward from the current location, respectively. The road link 720 is an image showing information on an empty taxi. 716 is displayed. In the image 716 indicating the information on the empty taxi, an icon indicating that the number is 7 is displayed on the taxi mark. On the road link 726, an image 717 indicating information on an empty taxi is displayed. In the image 717 showing the information of the empty taxi, an icon indicating that there are two cars is shown beside the taxi mark.

  In addition, an image 718 indicating information on an empty car taxi is displayed on a road represented by a road link 722 downward from the current location. In the image 718 indicating the information on the empty taxi, an icon indicating that the number is one is shown below the taxi mark.

  Thereby, the user can grasp | ascertain the tendency of the taxi which approaches the present location in a wider range. In FIG. 7, it is in a state where a taxi can be encountered by crossing the intersection diagonally according to this guidance display.

  In the above embodiment, the empty taxi information requesting unit 24 of the user terminal device 20 requests the empty taxi information to the navigation server 30 once and is edited by the empty taxi information requesting unit 35 of the navigation server 30. The taxi information collection / distribution server 50 sends the extracted empty car taxi information to the navigation server 30, and the navigation server 30 narrows down the empty taxi information. However, the present invention is not limited to this, and the empty taxi information requesting means 24 of the user terminal device 20 directly sends a request for empty taxi information to the taxi information collection / distribution server 50. The taxi information collection / distribution server 50 It may transmit the vehicle cab information to the user terminal 20.

  In the present embodiment, an example is shown in which a map centered on the current location is displayed on the user terminal device 20 and information on empty taxis in the vicinity is requested in that state. However, the present invention is not limited to this. For example, when the route search request from the current location or a predetermined departure point to the destination designated by the user is made to the navigation server 30 and the route search result is distributed from the navigation server 30 to the user terminal device 20, the current location Alternatively, information on empty taxis around the departure point may be requested. In this case, the user can easily get on the taxi from the current location or a predetermined departure point and move to the destination.

  In this embodiment, the information collection / distribution system 10 enables the collection and distribution of information regarding empty taxis by the taxi information collection / distribution server 50 and the navigation server 30, and each taxi information collection / distribution server 50 includes a plurality of taxis. By providing this for each company and linking it with the navigation server 30, it is possible to construct a larger and more detailed database of empty taxi information. In addition, if the navigation server 30 stores a history of information on the point where the empty taxi information is requested and provides it to a taxi company or the like, the empty taxi can be run on any area or road. For example, it is possible to provide useful information about whether or not a user is encountered.

1 is an overall schematic diagram of an information collection / distribution system in the present embodiment. It is a figure which shows the internal block diagram of the taxi terminal device which comprises the information collection and distribution system in a present Example, and a taxi information collection and distribution server. It is a figure which shows the internal block diagram of the user terminal device and navigation server which comprise the information collection and delivery system in a present Example. It is a figure which shows the operation | movement sequence diagram which shows operation | movement of each part of the information collection and distribution system in a present Example. It is a figure which shows an example of the display screen of the user terminal device in a present Example. It is a figure which shows the empty vehicle taxi information guidance screen of the user terminal device in Example 1. FIG. It is a figure which shows the empty vehicle taxi information guidance screen of the user terminal device in Example 2.

Explanation of symbols

10 .... Information collection / distribution system 20 .... User terminal device 21, 31, 41, 51 .... Control means 22, 32, 42, 52 ... Communication means 23, 43 ... GPS receiving means 24, 35 ... Empty taxi information requesting means 25 ... Guidance data storage means 26 ... Display means 27 ... Operation input means 30 ... Navigation server 33 ... ··· Route search means 34 ··· Guide route data editing means 36, 54 ··· Empty taxi information extraction means 37 · · · Empty taxi information guide means 40 · · · Taxi terminal device 44 ··· Empty car discrimination means 45 ... Taxi information editing means 50 ... Taxi information collection / distribution server 53 ... Taxi information statistical processing means 60 ... Empty taxi information database 0 ... taxi attribute information database 80 ... map database 90 .... route search network database

Claims (20)

An information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means is transmitted to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry regarding empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The taxis in the direction of travel approaching the position of the user terminal device are extracted from the empty taxis, and the number is counted for each direction approaching the position of the user terminal device, and the position of the user terminal device in the user terminal device An information collection / distribution system characterized by guiding taxi information including the number of cars counted for each direction approaching An information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The route search to the user terminal device is performed among the empty car taxis, and the taxi that can reach the position of the user terminal device without including a U-turn or a predetermined number of right and left turns is extracted. An information collection / distribution system characterized by guiding information on the extracted taxi. The information collection / distribution system includes a map database,
The information collection / distribution server obtains map data of the predetermined area from the map database in response to an inquiry about empty taxi information of the predetermined area from the user terminal device, and extracts the information about the extracted taxi from the map be reflected in the data, said user terminal apparatus according to claim 1 or the information collection and distribution system according to claim 2, wherein the delivery to.   The information collection / distribution system according to claim 1 or 2, wherein the extracted information about the taxi includes a current position of the taxi and attribute information of the taxi. 5. The information collection / distribution system according to claim 4 , wherein the taxi attribute information is guided by icon display. An information collection / distribution server constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Transmitting taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry regarding empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The taxis in the direction of travel approaching the position of the user terminal device are extracted from the empty taxis, and the number is counted for each direction approaching the position of the user terminal device, and the position of the user terminal device in the user terminal device An information collection / distribution server characterized by guiding taxi-related information including the number of cars counted for each direction approaching . An information collection / distribution server constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device installed in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit. When the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the taxi terminal device detects the travel detected by the current position detection unit. Taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means is transmitted to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The route search to the user terminal device is performed among the empty car taxis, and the taxi that can reach the position of the user terminal device without including a U-turn or a predetermined number of right and left turns is extracted. An information collection / distribution server for guiding information on the extracted taxi. The information collection / distribution system includes a map database,
The information collection / distribution server obtains map data of the predetermined area from the map database in response to an inquiry about empty taxi information of the predetermined area from the user terminal device, and extracts the information about the extracted taxi from the map 8. The information collection / distribution server according to claim 6 or 7, wherein the information collection / distribution server is reflected in data and distributed to the user terminal device. 8. The information collection / distribution server according to claim 6 or 7 , wherein the extracted information about the taxi includes a current position of the taxi and attribute information of the taxi.   The information collection / distribution server according to claim 9, wherein the taxi attribute information is guided by icon display. A taxi terminal device equipped in a taxi, an information collection / distribution server, and a user terminal device constituting an information collection / distribution system in which a user terminal device is connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit, and when the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the travel detected by the current position detection unit Taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means is transmitted to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry about empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area The taxis in the direction of travel approaching the position of the user terminal device are extracted from the empty taxis, and the number is counted for each direction approaching the position of the user terminal device, and the position of the user terminal device in the user terminal device A user terminal device that guides information related to taxis including the number of cars counted for each direction approaching the vehicle. A user terminal device constituting an information collection / distribution system in which a taxi terminal device, an information collection / distribution server, and a user terminal device equipped in a taxi are connected via a network,
The taxi terminal device includes a current position detection unit, a traveling direction detection unit, and an empty vehicle determination unit. When the empty vehicle determination unit detects that the host vehicle is an empty vehicle, the taxi terminal device detects the travel detected by the current position detection unit. Taxi information including the position and the traveling direction along the road link detected by the traveling direction detection means is transmitted to the information collection / distribution server,
The information collection / distribution server includes an empty taxi information database and empty taxi information extraction means for storing taxi information received from the taxi terminal device,
The user terminal device includes an empty taxi information request means,
In response to an inquiry regarding empty taxi information in a predetermined area from the empty taxi information requesting means of the user terminal device, the empty taxi information extracting means of the collection / distribution server refers to the empty taxi information database, and the predetermined area In the empty car taxi, the route search to the user terminal device is performed, and a taxi that can reach the position of the user terminal device without including a U-turn or a predetermined number of right and left turns is extracted. A user terminal device that guides information on the extracted taxi. The information collection / distribution system includes a map database,
The information collection / distribution server obtains map data of the predetermined area from the map database in response to an inquiry about empty taxi information of the predetermined area from the user terminal device, and extracts the information about the extracted taxi from the map 13. The user terminal device according to claim 11 or 12 , wherein the user terminal device guides information relating to a taxi reflected in the map data in the user terminal device by reflecting the data. The user terminal device according to claim 11 or 12 , wherein the extracted information about the taxi includes a current position of the taxi and attribute information of the taxi. The user terminal device according to claim 14 , wherein the taxi attribute information is guided by icon display. An information collection / distribution method in an information collection / distribution system in which a taxi terminal device equipped with a taxi, an information collection / distribution server, and a user terminal device are connected via a network,
(1) When the taxi terminal device detects that the host vehicle is an empty vehicle, the taxi terminal device detects a traveling position and a traveling direction, and includes taxi information including the detected traveling position and a traveling direction along a road link. Transmitting the information to the information collection / distribution server;
(2) In the information collection / distribution server, storing the taxi information received from the taxi terminal device in an empty taxi information database;
(3) The user terminal device transmits an inquiry about empty taxi information in a predetermined area;
(4) The information collection / distribution server refers to the empty vehicle taxi information database and extracts a taxi in a traveling direction that approaches the position of the user terminal device from empty taxis in a predetermined area, and the position of the user terminal device A step of counting the number in each direction approaching
(5) In the user terminal device, guiding information related to taxis including the number of vehicles counted for each direction approaching the position of the user terminal device ;
An information collection / distribution method comprising: An information collection / distribution method in an information collection / distribution system in which a taxi terminal device equipped with a taxi, an information collection / distribution server, and a user terminal device are connected via a network,
(1) When the taxi terminal device detects that the host vehicle is an empty vehicle, the taxi terminal device detects a traveling position and a traveling direction, and includes taxi information including the detected traveling position and a traveling direction along a road link. Transmitting the information to the information collection / distribution server;
( 2) In the information collection / distribution server, storing the taxi information received from the taxi terminal device in an empty taxi information database;
(3) The user terminal device transmits an inquiry about empty taxi information in a predetermined area;
(4) The information collection / distribution server refers to the empty taxi information database and searches for a route to the user terminal device among empty taxis in a predetermined area, and includes a U-turn or a predetermined number of right and left turns Extracting a taxi that can reach the position of the user terminal device without,
(5) guiding information on the extracted taxi in the user terminal device;
An information collection / distribution method comprising: The information collection / distribution system includes a map database,
The step (4) is characterized in that the information collection / distribution server acquires map data of the predetermined area from the map database, and reflects the extracted information about the taxi in the map data. The information collection / distribution method according to claim 16 or claim 17 . The information collection / distribution method according to claim 16 or 17 , wherein, in the step (5), the extracted information about the taxi includes a current position of the taxi and attribute information of the taxi. . 20. The information collection / distribution method according to claim 19 , wherein, in the step (5), the taxi attribute information is guided by icon display.

Images