JP2003242215A - Information provision system in mobile body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information provision system in a mobile body capable of enhancing usability by obtaining information even outside a mobile communication network and capable of solving a problem of a conventional information provision service using a portable terminal including that information can not be provided outside the mobile communication network, for example in a tunnel, subway and the like, because connection to a site can not be established. <P>SOLUTION: In the information provision system in the mobile body, a central control unit 1 monitors operational situation of each train and creates data of operational situation for each train and sends the data to each train. An on-board information transmission device 2 for controlling radio communication in the train stores the received data of operational situation and connects with a portable terminal 3 through a communication network at the time when a specific access point number is called. Then, requested data are read and converted in HTML format and output for displaying on the portable terminal 3. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-mobile information providing system for transmitting and displaying information to a mobile terminal in a train, and more particularly, a mobile terminal capable of acquiring information even in a subway or a tunnel. In-body information system.

[0002]

2. Description of the Related Art Conventionally, as a means of providing information to the passengers about the current location and operating status of a train, a crew member such as a conductor announces the next stop station name and transfer information, and is displayed on the upper part of the boarding gate. There was an electronic bulletin board provided with a dot matrix or the like using LEDs for displaying the next stop station, the current time, and the like.

Recently, a portable terminal equipped with a browser is connected to the Internet via a mobile communication network,
There is also a service that displays transfer information and current operation status.

Incidentally, as a conventional technique for providing information in a moving body, Japanese Patent Laid-Open No. Hei 1 (1999) published on March 23, 1999
No. 1-78889 "Information processing device with transfer or arrival advance notice function, transfer or arrival advance notice information transmission device, transfer or arrival advance notice method and computer readable recording medium in information processing device" (Applicant: Fujitsu Limited, Inventor: Yoshifusa Tokawa) This conventional technology receives information for recognizing the current position while moving to a transfer point or a destination, recognizes the current position, and, in a working operation state, the current position information and the transfer point or the destination by transportation. This is an information processing device with a transfer or arrival advance notice function that notifies the passengers as transfer or arrival advance notice information by displaying the positional relationship between and, which allows the user to get over when performing work while on the move. In addition to preventing the above, the work can be concentrated.

[0005]

However, in the in-vehicle broadcasting of the conventional information providing means, it is difficult to hear the announcement due to the noise in the vehicle, and the announcement is not repeatedly transmitted. In addition, the provision of information by the electronic bulletin board has a problem that the physical place where the information can be viewed is limited.

Further, the information providing service on the Internet has a problem that the information cannot be provided because the user cannot connect to the site inside the tunnel or outside the mobile communication network such as the subway.

The present invention has been made in view of the above circumstances, and it is possible to easily obtain connection information and the like using a mobile terminal, and to obtain information even in the outside of a mobile communication network such as a tunnel or a subway. It is an object to provide a mobile in-vivo information providing system that can be acquired.

[0008]

SUMMARY OF THE INVENTION The present invention for solving the problems of the above-mentioned conventional example is to monitor the operation status of each train, create operation status data according to each train, A central control unit that sends data on the corresponding operation status,
It is installed in the train and has a function to control the wireless communication in the train. It receives and stores the operation status data transmitted from the central control unit, and calls from the mobile terminal in the train with a specific number. Then, when the information is specified, the mobile in-vehicle information providing system includes an information transmitting device that reads out the specified information from the stored operation status, converts it into HTML, and transmits it to the mobile terminal. The mobile terminal inside can obtain desired information by connecting to the information transmission device without going through an external mobile communication network, and can obtain information even outside the range of the mobile communication network. It is possible to improve convenience.

Further, according to the present invention, the information transmission device includes a database in which data necessary for route search is stored in advance, and when a route search instruction is input from the portable terminal,
While searching the database and selecting the route according to the instruction, if there is data related to the selected route in the operation status data sent from the central controller,
It is a mobile information system that is an information transmission device that sends the data of the operating status related to the selected route to the mobile terminal, and can provide the route information according to the operating status in real time. , More appropriate route determination can be made.

Further, according to the present invention, the operation status data includes present position information indicating the present position, estimated arrival time at each stop station along the operation route of the train, names of other trains to which the train can be connected, and It is an in-mobile information providing system that includes any or all of the connection information indicating the transfer station, and each user can easily select and obtain desired information using their mobile terminals, improving convenience. Can be made.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. The function realizing means described below may be any circuit or device as long as it can realize the function, and part or all of the function can be realized by software. is there. Further, the function realizing means may be realized by a plurality of circuits, or the plurality of function realizing means may be realized by a single circuit.

The in-moving-body information providing system according to the present invention comprises a central control device for monitoring the operating condition of a train, and an information transmitting device for controlling a wireless communication network provided in the train and covering the train. The control device transmits the operation status data including the estimated arrival time and connection information created for each train, and the information transmission device receives the operation status data from the central control device and stores it, and then the mobile terminal in the car When there is a request, the requested information is read out, edited into data that can be viewed by the mobile terminal, and transmitted to the mobile terminal.
Since the mobile terminal directly communicates with the information transmission device to acquire information, the latest information can be acquired even outside the service area such as a tunnel or subway, and convenience can be improved.

The configuration of the in-moving-body information providing system according to the embodiment of the present invention will be described with reference to FIG. Figure 1
FIG. 1 is a schematic configuration diagram of a moving body information providing system (present system) according to an embodiment of the present invention. As shown in FIG. 1, the present system is composed of a central control unit 1 for monitoring the operating status of each train and an information transmitting unit 2 mounted on each train. Passengers and crews carry it inside the train. However, there is a mobile terminal 3 that communicates with the information transmission device 2. Here, the mobile terminal 3 has a browser function.

Further, the central control unit 1 is provided with an operation diagram table 11 for managing the operation states of all trains in the area managed by the unit. Then, the central control device 1 monitors the operation status of each train, updates the operation timetable 11, and creates current location information, estimated arrival time, connection information and special notes according to each train,
The information is transmitted to the information transmission device 2 mounted on each train.

Here, an example of the operation diagram table 11 will be specifically described with reference to FIG. FIG. 2 is an explanatory diagram showing an example of the operation timetable table 11. As shown in FIG. 2, the operation diagram table 11 stores the train code and the current location for each train, and further, the stop station name along the route, the connection route for each station, and the arrival at each stop station. It stores the estimated arrival time and the time of deviation (advance / delay) from a train schedule that is defined in advance. Furthermore, as the connection information, information on the operating status of other routes that can be connected from the train, information that should be notified to passengers as special notes, and information that affects the operating status are described. The storage of data in the operation timetable 11 is performed by the central control unit 1, which will be described in detail later.

Further, the information transmission device 2 shown in FIG. 1 has the current location information received from the central control device 1, the estimated arrival time,
Also, it has a function as a server which stores the connection information and converts it into HTML according to a request from the mobile terminal 3 in the vehicle and outputs it.

A feature of this system is that the information transmission device 2 is used.
Controls a wireless communication network that covers the inside of a train as a service area. And the information transmission device 2
Has a unique access point number (telephone number), is connected to the mobile terminal 3 calling with the access point number by a wireless communication network in the vehicle, and outputs information in response to a request from the mobile terminal 3. It is a thing. The access point number is displayed at a position visible from anywhere in the vehicle. The operation of the information transmission device 2 will be described in detail later.

Here, the in-train information transmission device 2 which is a characteristic part of this system will be described with reference to FIG. FIG. 3 is a configuration block diagram of the information transmission device 2 of the present system. As shown in FIG. 3, the information transmitting device 2 includes a current location detecting unit 21, an outside-vehicle communication unit 22, a processing unit 23,
Database 24, RAM 25, in-vehicle communication means 26
It consists of and.

Each component will be specifically described. The current position detection means 21 is similar to that used in a conventional automatic train control system or the like, and is transmitted from, for example, a station code transmission device (not shown) provided near a passage station or a departure station. Receive the signal, detect the station code,
It is output together with its own train code and is transmitted to the central control device 1 via the vehicle outside communication means 22.

The outside-vehicle communication means 22 is means for transmitting / receiving to / from the central control unit 1 wirelessly or by wire. The in-vehicle communication means 26 controls a wireless communication network covering the inside of the train to wirelessly communicate with the mobile terminal 3 in the area.
When the in-vehicle communication means 26 receives the connection request including its own access point number, it outputs an information acquisition request with the mobile terminal 3 number to the processing means 23, and the processing means 23. When the information addressed to the mobile terminal 3 is received from the mobile terminal 3, the information is wirelessly transmitted via the wireless communication network in the vehicle.

Here, as a feature of the present system, the communication between the in-vehicle communication means 26 and the mobile terminal 3 is performed without passing through an external mobile communication network.
It is not charged from the external mobile communication system.

Further, as a feature of this system, the in-vehicle communication means 26 can be connected to a plurality of portable terminals 3 at the same time, and has a function of transmitting different information to each of the plurality of portable terminals 3. It is a thing.

The processing means 23 controls the information transmitting apparatus 2 as a whole, and is characterized by this system.
It receives various information from the central control unit 1 and stores it in the RAM 25, searches the database 24 and the RAM 25 in response to a request from the mobile terminal 3 in the vehicle, reads desired data, converts it into an HTML document, and performs in-vehicle communication. The data is output to the requesting mobile terminal 3 via the means 26.

Further, the processing means 23 performs a route search process for extracting appropriate route information from the database 24 when the current location and the destination (or the departure location and the destination) are input, as in the conventional Internet service. When there is an access from the mobile terminal 3 and a route search instruction is input, the processing means 23 of the present system performs a route search according to the input information and transmits a route candidate to the mobile terminal 3. , Is to be displayed.

Further, the database (DB) 24 is provided with route information such as route map data and timetable data necessary for route search to the destination. RAM25
Is a work memory of the processing means 23, and stores the present location information received from the central control unit 1, the estimated arrival time, the connection information and the special notes.

Next, the operation of this system will be described. First, the operation of updating the operation timetable 11 and transmitting information to each information transmitting device 2 in the central control device 1 will be described with reference to FIGS. 2 and 4. FIG. 4 is an explanatory diagram showing an operation of updating the operation schedule table 11 and transmitting information to each information transmitting device 22. As shown in FIG.
When a train passes or departs from a station, the current location detecting means 21 of the information transmitting device 2 mounted on the train receives the station code from the station code transmitting device provided near the station, and the train code and the station as station passing information. The code and the code are transmitted to the central control unit 1 via the communication means 22 outside the vehicle.

Upon receiving the station passage information from the information transmission device 2, the central controller 1 sets the station name corresponding to the station code included in the station passage information in the "current location" of the operation diagram table 11 corresponding to the train code. Remember. Then, the central control device 1 calculates the estimated arrival time based on the current location, the current time, and the train schedule defined in advance, and updates the operation schedule table 11 shown in FIG.

Specifically, the central control unit 1 holds a scheduled passage time (according to the timetable) based on a train schedule defined in advance, and every time the station passage information is received, an error from the prescribed value is generated. Then, the estimated time of arrival at each stop station is calculated, and the operation timetable table 11 is updated.

Further, the central control unit 1 refers to the operation schedule table 11 of another train to create connection information.
To explain using the “train code XXXXX” shown in FIG. 2 as an example, there is a connection to the ΔΔ line at the stop station B. In such a case, the central control unit 1 determines that the train (here, “train When updating the service schedule table 11 with the code XXXXX ”), the service schedule table 11 for other trains running on the △△ line
Refer to to compare the trains on the "○○ XX" and the trains on the △△ lines to the scheduled arrival times at the stop B, and transfer from the "○○ XX" trains to the △△ lines. A specific train is specified and stored in the "connection information" of the operation schedule table 11 of the train of "XXXXX" together with the estimated arrival time (or estimated departure time) of the train and the train name.

In addition, when a sudden situation occurs such that the train is being turned back due to bad weather or the train has stopped due to an accident, the central control unit 1 causes the operation schedule table 11 of the relevant train to display " Remember from time to time in "Special notes". In this way, the operation timetable table 11 is updated as needed for all trains in operation.

Then, as shown in FIG. 4, when the operation schedule table 11 is updated, the central control unit 1 sends the operation status data to the train information transmission device 2 corresponding to the updated operation schedule table 11. , Current location information, estimated arrival time, connection information, and special notes if stored.

When the information transmission device 2 receives the operation status data, the processing means 23 stores the current position information, the estimated arrival time, the connection information and the special notes as the operation status data in the RAM.
25 (not shown). Then, when there is an access from the mobile terminal 3, the RAM 25 is requested in response to the request.
Is read out, converted into a format for a mobile phone, and output to the mobile terminal 3.

Next, the exchange between the mobile terminal 3 and the information transmission device 2 will be described with reference to FIG. FIG. 5 is an explanatory diagram showing communication between the mobile terminal 3 and the information transmission device 2. As shown in FIG. 5, first, when the access point number of the train information transmission device 2 is called from the mobile terminal 3, a connection request is received by the in-vehicle communication means 26 of the information transmission device 2 via the in-train communication network. To be done. The in-vehicle communication means 26 judges from the number included in the connection request whether or not the connection request is addressed to itself, and if it confirms that it is its own access point number, it carries it to the processing means 23. The information acquisition request is output with the number of the terminal 3 attached.

When the information acquisition request is input, the processing means 23 of the information transmitting device 2 reads the "menu" screen of the HTML document stored in the RAM 25 in advance, and the portable terminal is accessed via the in-vehicle communication means 26. Send to 3

The mobile terminal 3 displays the "menu" screen transmitted from the information transmitting device 2 and, when the user selects desired information from the menu, transmits the selected information to the information transmitting device 2. Here, as the menu, "current location information", "arrival time information" for each stop station along the route, "connection information" according to the current operation status, "route search to the destination", There is a "special note".

When the information transmitting device 2 receives the data of the information selected by the user, the information transmitting device 2
The processing means 23 of the RAM 25 operates in accordance with the selected information.
Alternatively, the database 24 is searched to read the corresponding information, converted into HTML and returned to the mobile terminal 3. Then, the mobile terminal 3 is adapted to display the received HTML.

As a result, the passenger uses the portable terminal 3 to call an access point that can be easily known within the train, and the information transmitter 2 is transmitted via the wireless communication network covering the inside of the train. It is possible to retrieve various information regarding the operating status of trains by connecting to, and greatly improve convenience. Further, since the connection destination is the information transmission device 2 provided in the same train, and communication is possible without going through an external base station, connection is possible even in a tunnel or subway, and information is acquired. Is something that can be done.

Here, in the portable terminal 3, from the menu, "current location information""arrival time information""connectioninformation"
When any of the "special notes" is selected, the processing means 23 of the information transmission device 2 obtains the corresponding data based on the latest operation status data transmitted from the central control device 1 and stored in the RAM 25. Read, create HTML and output.

For example, when the "current location information" is selected from the portable terminal 3, the data stored in the RAM 25 is read out, combined with the data provided in advance, and "just now xx prefecture Δx city ○" The current location information such as "Around the station." Is output to the mobile terminal 3. When “arrival time information” is selected and “stop station name” is input or selected, the estimated arrival time of the station is read from the RAM 25, converted into HTML, and output to the in-vehicle communication unit 26. It is transmitted to the mobile terminal 3.

When "connection information" is selected from the menu on the portable terminal 3 and "stop station name" is further input and transmitted to the information transmission device 2, the processing means 23 of the information transmission device 2 From the “connection information” stored in the RAM 25, the connection information corresponding to the stop station name input is read, converted into HTML and output to the mobile terminal 3,
It is displayed as "Transfer station B station: △△ line 10:45 ○ ×".

Similarly, when the data in which the "special note" is selected is received from the portable terminal 3, the processing means 23 of the information transmitting device 2 reads the "special note" data from the RAM 25, converts it into HTML, and outputs it. To do.

When the "route search" is selected from the menu and the departure point and the destination are further input on the portable terminal 3, the processing means 23 of the information transmitting device 2 is selected.
Searches the database 24 and extracts some suitable routes from the route information including timetable data and route map data, and the required time, transfer station, connected train, transfer platform, and fare for each route. Such information is created, converted into HTML, and output to the mobile terminal 3. If the departure place is not specified, the search is performed with the current place as the departure place.

Further, in the case of "route search", after the processing means 23 extracts a plurality of routes, the processing means 23
Real-time connection information may be read from the RAM 25 for the connected trains included in each route and reflected in the route search.

Specifically, as a special note from the central control unit 1, it is transmitted that the route, which is usually the shortest course, is closed due to bad weather or the like, and when this is stored in the RAM 25, the processing means 23 After performing a normal route search process to find the shortest route, "route 1 is not available due to bad weather" is output based on a special note of the RAM 25 to notify the user that route 1 cannot be selected.

As described above, the present system can search the route to the destination based on the actual operation status and provide abundant information for determining the route to support the user's determination. is there.

According to the in-moving-body information providing system according to the embodiment of the present invention, the central control device 1 monitors the operation status of each train and creates the operation status data corresponding to each train. Information is transmitted to the information transmission device 2 installed in each train, and the information transmission device 2 stores the received operation status data and makes a specific access from the mobile terminal 3 through the communication network covering the inside of the train. When the point number is called, the mobile terminal 3 is connected via the communication network, the requested data is read, converted into HTML and output, and displayed on the mobile terminal 3. 3 can be connected to the information transmitting device 2 without connecting to an external mobile communication network, and can be connected to the information transmitting device 2 even in a subway or a tunnel outside the range of the mobile communication network to acquire information on operating conditions. Yes, convenience There is an effect that can be improved.

Further, according to this system, the central control unit 1 creates the current location information, the estimated arrival time, the connection information, and the special note as the data of the operation status, and the information transmitting unit 2 receives these data. Since the information is output to the mobile terminal 3 in response to the request, the user can obtain not only the information based on the predefined timetable but also the information on the transfer according to the current operation status. There is an effect that convenience can be improved.

Although the information transmitting device 2 is not included in the external mobile communication network here, for example, the information transmitting device 2 is set as a base station of the mobile communication network, and information is temporarily transmitted via the external communication network. After making a call to and connecting to the transmitting device 2, the information transmitting device 2 as a base station and the mobile terminal 3 may be switched to internal communication performed using a control channel or the like without using the network.

Further, according to the present system, the user can easily obtain information by using the portable terminal, does not need to gaze at the unclear route map and pay attention to the in-vehicle announcement or the electronic bulletin board. There is an effect that convenience can be improved.

[0050]

According to the present invention, the central control unit monitors the operation status of each train, creates the operation status data corresponding to each train, and transmits the operation status data corresponding to each train. However, the information transmission device installed in the train has a function of controlling wireless communication in the train, receives and stores the operation status data transmitted from the central control device, and stores it in the mobile terminal in the train. When a call is made from a specific number and information is specified, the specified information is read from the stored operation status, converted into HTML and transmitted to the mobile terminal. , The mobile terminal in the train can connect to the information transmission device to obtain desired information without going through the external mobile communication network, and can obtain the information even outside the range of the mobile communication network. You can
There is an effect that convenience can be improved.

Further, according to the present invention, the information transmitting device is
It is equipped with a database that stores data necessary for route search in advance, and when a route search instruction is input from a mobile terminal, the database is searched, the route according to the instruction is selected, and the data is sent from the central control unit. If there is data related to the selected route in the operation status data, it is a mobile information system that sends the related operation status data to the mobile terminal together with the selected route. It is possible to provide route information according to the operation status of the above, and it is possible for the user to make a more appropriate route decision.

Further, according to the present invention, the operation status data includes the present location information indicating the present location, the estimated arrival time at each stop station along the operation route of the train, and the other trains to which the train can be connected. Since it is the in-mobile information providing system that includes any or all of the connection information indicating the name and transfer station, each user can easily select and obtain desired information using a mobile terminal, which is convenient. There is an effect that can improve the sex.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a moving body information providing system (present system) according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an example of a service schedule table 11.

FIG. 3 is a configuration block diagram of an information transmission device 2 of the present system.

FIG. 4 is an explanatory diagram showing an operation of updating the operation schedule table 11 and transmitting information to each information transmitting device 22.

5 is an explanatory diagram showing communication between the mobile terminal 3 and the information transmission device 2. FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Central control apparatus, 2 ... Information transmission apparatus, 3 ... Portable terminal, 11 ... Operation timetable, 21 ... Present location detection means, 22 ... Outside vehicle communication means, 23 ... Processing means, 2
4 ... Database, 25 ... RAM, 26 ... In-vehicle communication means

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04Q 7/20 H04Q 7/04 Z

Claims (3)

[Claims] 1. A central control device for monitoring operation status of each train, creating operation status data corresponding to each train, and transmitting operation status data corresponding to each train, and a central control unit installed in the train It has a function of controlling wireless communication in the train, receives and stores the data of the operation status transmitted from the central control device, and is called by a specific number from the mobile terminal in the train, When the information is designated, the in-mobile information providing device further comprises: an information transmitting device that reads out the designated information from the stored operation status, converts it into HTML and transmits it to the mobile terminal. system. 2. The information transmission device includes a database in which data necessary for route search is stored in advance, and when a route search instruction is input from a mobile terminal, the database is searched and the route corresponding to the instruction is searched. If there is data related to the selected route in the operation status data transmitted from the central controller, the related operation status data is combined with the selected route. The in-moving-body information providing system according to claim 1, which is an information transmitting device that transmits the information to a mobile terminal. 3. The operation status data indicates present location information indicating the present location, estimated arrival time at each stop station along the operation route of the train, and the name and transfer station of another train to which the train can be connected. The in-moving-body information providing system according to claim 1 or 2, which includes any or all of the connection information.