JP4036324B2 - Information providing server device, information using terminal device, and information communication system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an information providing server device, an information use terminal device, and an information communication system that efficiently transmit data such as a program and image data.
[0002]
[Prior art]
Due to the improvement in performance of mobile communication devices and communication speed in recent years, an HTTP service provided by a Hyper Text Transfer Protocol (HTTP) server connected to a mobile phone terminal device via a mobile communication network is used. A Web browser is mounted, and information such as character images described in a page description language such as HTML (Hyper Text Markup Language) or XML (eXtensible Markup Language) can be used.
[0003]
Further, by further enhancing the functionality of the mobile phone terminal device, it receives program data such as a game from the server device, and executes a received program such as a still image, a moving image from the mobile phone terminal device, the server device or another terminal. Mobile phone terminal devices that can receive and display image data of natural images are also used.
[0004]
As a procedure for transmitting data such as programs and natural images, there are a packet-switched type and a circuit-switched type that have been spreading in recent years. In a circuit-switched wireless communication network, a mobile device (mobile phone terminal) and a base After establishing a wireless line session between stations, data is transferred from the server device or the like to the mobile device in accordance with a predetermined procedure used in a conventional PDC (personal digital cellular) telephone or the like. .
[0005]
[Problems to be solved by the invention]
In mobile communication, the communication state of the wireless line between the base station and the terminal device changes over time due to changes in the relative position of the base station and the terminal device or the state of the wireless transmission path, etc. The session may be disconnected.
[0006]
Data such as the above-described programs and natural images has a large amount of information and a large size of data to be transmitted compared to information such as a home page described in HTML or the like. For this reason, it is considered that the probability that a session is disconnected during data reception is higher than that of data such as a home page.
[0007]
In a circuit-switched mobile communication network, when a session is disconnected, it is necessary to establish a session with the base station again and execute data, such as a program and an image, again in a predetermined procedure. There is. In other words, even if there is a part that has already been received at the time of the previous connection, it is necessary to start data reception from the beginning, which is also one of the causes of an effective transmission rate decrease and traffic increase. Moreover, there is also a problem that the response (response) to the user decreases due to a decrease in the transmission rate.
[0008]
The present invention has been made in view of the above-described problems, and can efficiently transmit data such as programs and images, and can contribute to avoiding congestion on a transmission path by suppressing an increase in traffic. It is an object to provide an information providing server device, an information using terminal device, and an information communication system.
[0009]
[Means for Solving the Problems]
In order to solve the above problem, an information providing server device according to the present invention stores provided information (provided information) to be provided to an information using terminal device via a connection-type network, and stores the information in the storing device. Information holding means for dividing and holding the provided information into pieces of divided information having a predetermined length or less, management information holding means for holding management information indicating the correspondence between each piece of provided information and the divided information, and an information using terminal device Management information transmitting means for transmitting management information corresponding to the provided information instructed from the information utilization terminal device, and transmitting individual division information requested from the information terminal device to the information terminal device according to the transmitted management information And a division information transmitting means for performing the processing.
[0010]
The network includes a connection type communication network such as a mobile communication network and a public communication network.
[0011]
In this information providing server device, provision information is stored in advance as division information divided into a predetermined length or less, and management information indicating correspondence between provision information and division information is held. The length for dividing the provision information (predetermined length) is set according to the transmission speed of the network, the frequency of disconnection of the connection, the size of the provision information, and the like.
[0012]
The information use terminal device that uses the provided information provided by the information providing server device first instructs the provided information, acquires the management information provided from the management information transmitting means in response to this, and stores the management information in the acquired management information. In response, the individual division information is acquired from the division information acquisition means.
[0013]
If the connection between the information providing server device and the information using terminal device is disconnected before acquiring all pieces of division information corresponding to one provided information, the information using terminal device is connected to the information providing server device. After the connection between them is reset, the remaining division information can be acquired from the information providing server device.
[0014]
In addition, the division information transmitting means transmits, together with the division information to be transmitted, information indicating the number of divisions of the provision information corresponding to the division information or information indicating the position of the division information in the provision information. To do.
[0015]
The information using terminal device that has received the information indicating the number of divisions together with the division information grasps whether or not all pieces of division information have been received, the number of remaining pieces of division information, and the like based on the information indicating the number of divisions and the received division information. can do. Further, the information using terminal device that has received the information indicating the position of the division information in the provided information can detect whether or not at least all the division information has been received.
[0016]
The information utilization terminal device according to the present invention provides the provision information provided by the information provision server device that holds the division information obtained by dividing the provision information into a predetermined length or less and the management information indicating the correspondence between the division information and the provision information. Management information acquisition means for acquiring management information from the information providing server apparatus via a connection-type network, and individual division information corresponding to the management information acquired by the management information acquisition means. A division information acquisition unit to be acquired and a provision information restoration unit to connect the division information acquired by the division information acquisition unit to restore the provision information.
[0017]
This information utilization terminal can restore and use the provided information by connecting individual division information acquired from the information providing server device according to the management information. For this reason, for example, even if the connection with the information providing server apparatus is disconnected before all pieces of division information are obtained, the provided information is restored if the remaining division information is obtained after resetting the connection. The original provided information can be restored by means.
[0018]
The information communication system according to the present invention includes the information providing server device according to the present invention and the information use terminal device according to the present invention.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
The present invention can be applied to an information communication system capable of providing a program or the like from a server device to a mobile phone terminal device via a mobile communication network, for example.
[0020]
(Constitution)
An information communication system according to an embodiment of the present invention includes a server device (information providing server device) that holds information (provided information) that can be provided to an information using terminal device such as a mobile phone terminal device as shown in FIG. ) 10, a voice call service, a mobile phone terminal device (information use terminal device) 20 that can use information provided by the server device 10, and a relay of communication between the server device 10 and the mobile phone terminal device 20. And a mobile communication network (connection-type network) 30 that performs processing.
[0021]
In this information communication system, for example, a circuit switching type protocol used in a conventional PDC phone or the like is used as a lower-level protocol for setting a connection between the server device 10 and the mobile phone terminal device 20. Further, in this information communication system, for example, an HTTP protocol is used as an upper protocol for transmitting provided information.
[0022]
The provided information provided to the mobile phone terminal device 20 by the server device 10 is a natural image such as a program (hereinafter simply referred to as a script) written in a script language such as Java [registered trademark], a still image, or a moving image. The data is relatively large in size.
[0023]
The server device 10 includes an information processing device such as a processor (MPU), an auxiliary storage device such as a memory and a hard disk drive (HDD), an input / output device such as a keyboard and a display, a personal computer having a network interface, and a workstation. By executing an operating system (OS) and control software held in the HDD or the like, it functions as a functional block shown in FIG.
[0024]
The server device 10 includes an HTTP server 11 that provides an HTTP service, a data holding unit 12 that holds data provided by the HTTP server 11, and divided information that is equal to or less than a predetermined length of provided information held in the data holding unit 12. A division processing unit 13 for dividing the image into two is provided.
[0025]
Further, the mobile phone terminal device 20 has functions such as voice communication with other mobile phone terminal devices or fixed phone terminal devices, use of HTTP services, transmission / reception of e-mails, transmission / reception of image data, and the like. Yes.
[0026]
The mobile phone terminal device 20 includes a communication control unit 21 that performs communication control with the mobile communication network 30, a call processing unit 22 that performs voice call processing, and an HTTP service provided by the HTTP server 11. A Web browser 23 to be used, an operation key 24 for inputting a telephone number, an operation instruction, and the like, a display unit 25 having a display screen such as a liquid crystal display (LCD), and a display control unit 26 for controlling the display unit 25 , A mail processing unit (not shown) for sending and receiving mails and a camera (not shown) for imaging a subject.
[0027]
The Web browser 23 can acquire and use management information and division information from the HTTP server 11. For this reason, for example, when the provided information is a script, the Web browser 23 has a function of executing the script as an execution unit. Further, when the provided information is a natural image, the Web browser 23 is provided with a function for storing and displaying the natural image as an execution unit.
[0028]
In addition, the mobile communication network 30 sets up a wireless line with the mobile phone terminal device 20, and sets the position of the mobile phone terminal device 20 according to the base station 31 that performs communication and the reception output of the base station 31. The server device 10 and the mobile phone according to the position of the mobile phone terminal device 20 detected by the terminal position detection unit 32, the communication control unit 33 that performs communication control between the server device 10 and the terminal location detection unit 32. And an exchange control unit 35 for setting a communication path between the terminal devices 20.
[0029]
By the way, in this information communication system, the server device 10 divides provision information (information that can be provided to the mobile phone terminal device 20) supplied from an external device into division information having a predetermined length or less in advance and a data holding unit. 12.
[0030]
The data holding unit 12 includes a provision information holding unit 12a, a division information holding unit 12b, and a management information holding unit 12c as areas for storing the provision information, the division information, and the management information. Even if these holding units secure a predetermined area on the HDD in advance, each holding unit 12a to 12c may be formed by appropriately storing each information as a file under the control of the OS. Good.
[0031]
Further, the provision information holding unit 12a may not always store the provision information. For example, the division processing unit 13 divides the provision information supplied from an external device, and manages the division information holding unit 12b. After the information is stored in the information holding unit 12c, the provided information held in the provided information holding unit 12a may be deleted. Thereby, the storage area can be used efficiently.
[0032]
The provided information provided by the server device 10 to the mobile phone terminal device 20 is composed of, for example, two files of a header portion 51 (Sample.jad) and a data portion 52 (Sample.jar) as shown in FIG. Yes.
[0033]
When the provided information is the above-described script, the data unit 52 includes, for example, a so-called jar (Java [registered trademark] archive file) and data such as images and sounds used when executing the script. Are often compressed and encoded together and stored. In this case, the header portion 51 includes a data portion 52 such as a script version, a script creator, and a URL (Unified Resource Locator) as in jad (Java [registered trademark] descriptor file) shown in FIG. Information indicating an address or the like is stored.
[0034]
Although it is assumed that the header part 51 and the data part 52 are configured as separate files, the division processing unit 13 is separated into the header part 51 and the data part 52 even if configured as a single file. By doing so, the subsequent processing can be executed in the same manner.
[0035]
In addition, when the provided information is data such as a natural image, the header part 51 and the data part 52 are often provided as the same file. Separated into parts 52. In the natural image data, for example, the format of the image data, the compression encoding method, and the like are stored in the portion corresponding to the header portion 51, and the value of the pixel that has been compression encoded in the portion corresponding to the data portion 52, etc. Is stored.
[0036]
(Server side operation)
When the provision information (header part 51, data part 52) is supplied to the provision information holding part 12a from an external device or the like, the division processing part 13 starts the process shown in FIG.
[0037]
The division processing unit 13 acquires the data unit 52 stored in the provision information holding unit 12a (S1), and when the length of the data unit 52 is longer than a predetermined length, for example, as shown in FIG. The part 52 is divided into data parts (partition information) 54 having a length equal to or shorter than a predetermined length (S2 to S4), and information (management information) indicating the correspondence between the divided data part 54 and the original data part 52 is included in the header. It inserts in the part 53 (S5).
[0038]
As shown in FIG. 5, each divided data part 54 is given a different file name and stored in the divided information holding part 12b. The file name of the divided data portion 54 is named according to a certain rule, so that the mobile phone terminal device 20 can be easily restored. In the example shown in FIG. 5, a sequential number indicating the order is added to the file name “Sample.jar” of the original data portion 52 to make “Sample_1.jar” to “Sample_3.jar”. With such a file name, the Web browser 23 of the mobile phone terminal device 20 arranges the received data sections 54 according to the serial number at the end of the file name, deletes unnecessary information, and connects them. The data portion 52 can be restored.
[0039]
Further, for example, as illustrated in FIG. 6, the division processing unit 13 replaces information (MIDlet-Jar-URL) indicating the address of the data unit 52 in the header unit 51 with all data units corresponding to the data unit 52. 54 information (MIDlet-Base-URL, MIDlet-Jar-Div1 to MIDlet-Jar-Div3) is added to form the header section 53, and management information is held as a new file “Sample'.jad” Stored in the unit 12c.
[0040]
Further, when the division processing unit 13 divides the data part 52 into the data parts 54, the information n indicating the position in the data part 52 and the division number m of the data part 52 are added to each data part 54. By adding such information, the Web browser 23 that has received each data portion 52 can easily determine the number of data portions 54 that have been received and the number of remaining data portions 54. Thereby, for example, it becomes easy to perform a display for notifying the user of the data reception completion status.
[0041]
In the case shown in FIG. 5, m is 3 because the data portion 52 in FIG. 2 is divided into three, and n is a value from 1 to 3 depending on the position of each data portion 54. It becomes. In FIG. 5, n / m is shown at the upper left of each data portion 54. Note that only n may be used as information indicating the position of each data portion 54 in the data portion 52. In this case, the total number of data parts 54 corresponding to one data part 52 is obtained by dividing the size (MIDlet-Jar-Size) of the data part 52 in the header part 53 by the predetermined length described above. Therefore, the Web browser 23 can grasp the reception completion status of the data part 54 only by adding the serial number to the data part 54.
[0042]
The length (predetermined length) for dividing the data portion 52 is the density of base stations in the target mobile communication network 30, the moving speed of the mobile phone terminal 20, the transmission speed of the network, the disconnection frequency of the connection, the provided information Set according to the size of the.
[0043]
For example, in a vehicle traveling at a speed of several tens km / h and a network with a transmission speed of 19200 bps, the predetermined length is set to a size that can be transmitted in a time of about a fraction of a second, for example, 6 kbytes.
[0044]
When the above-described division processing is completed, the HTTP server 11 receives, for example, a header portion stored in the management information holding unit 12c in response to a request specifying a URL {www.j-phone.com/sample'.jad}. 53 ("sample'.jad") and split information for a request specifying URL {www.j-phone.com/sample_1.jar} to {www.j-phone.com/sample_3.jar} The data portion 54 (“sample_1.jar” to “sample_3.jar”) held in the holding unit 12b can be transmitted.
[0045]
(Mobile phone terminal side operation)
When the user of the mobile phone terminal 20 uses the provided information provided by the HTTP server 11, first, the Web browser 23 is operated to display information indicating a list of provided information provided by the HTTP server 11 (for example, HTML format). ).
[0046]
The information indicating the list includes an instruction to display a list of provision information available to the user and information indicating the address (URL) of the header information 54 corresponding to the provision information selected from the list. It is.
[0047]
When the information indicating the list is received from the HTTP server 11 or the like, the Web browser 23 displays a list of provided information available to the user, for example, as shown in FIG. 7A, according to the list in the information. This is displayed on the unit 25. The user who sees such a list operates the operation key 24 of the mobile phone terminal device 20 to select the provision information to be used ((B) in the figure).
[0048]
When the user selects provided information, the Web browser 23 starts the processing shown in FIG. 8, and the management information acquisition unit 23a of the Web browser 23 selects the URL (described above) corresponding to the provided information selected by the user. In the case shown in FIG. 5, "www.j-phone.com/sample'.jad") is transmitted to the HTTP server 11 to request transmission of the header section 53 (S101 in FIG. 9). In response to this, the management information acquisition unit 23a holds the header unit 53 supplied from the HTTP server 11 (S11, S102 in FIG. 9).
[0049]
When the header part 53 is acquired, the management information analysis part 23b of the Web browser 23 analyzes the header part 53 held in the management information acquisition part 23a, and the division information acquisition part 23c determines the header part 53 according to the analysis result. The data part 54 specified in step S12 is acquired sequentially (S12 to S13).
[0050]
Specifically, the division information acquisition unit 23c firstly has the file name “sample_1.jar” of the data part 54 specified first in the header part 53 and the base URL (MIDlet-Base-URL) “http: The URL of the data unit 54 is generated from “//www.j-phone.com”, and the generated URL is transmitted to the HTTP server 11 to request transmission of the data unit 54 (S103 in FIG. 9). In response to this, when the data part 54 “sample_1.jar” is supplied (S104), the division information acquisition part 23c sequentially transmits the URLs of the data part 54 “sample_2.jar” and “sample_3.jar” to the HTTP server 11. Then, transmission of the data part 54 is requested (S105, S107 in FIG. 9).
[0051]
The data part 54 is supplied in response to each request (S106, S108), and when the acquisition of all the data parts 54 is completed, the division information acquisition part 23c connects the acquired data part 54 to the data part 52 “sample. jar "is restored and supplied to the execution unit 23d (S14 in FIG. 8). Further, the division information acquisition unit 23c replaces the file name of each data part 54 in the header part 53 “sample'.jad” with the file name “sample.jar” of the restored data part 52. jad "is restored and supplied to the execution unit 23d.
[0052]
When executing the process according to the supplied header part 51 and data part 52, the execution part 23d restores data such as a script, an image, and sound in the data part 52, and executes the process using them. . Thereby, for example, a game process is executed and the user can use it.
[0053]
By the way, when the connection of the wireless line between the mobile phone terminal device 20 and the base station 31 is disconnected during the reception of each data unit 54, the communication control unit 21 receives the information from the division information acquisition unit 23c. In response to the request, the wireless line connection is set again, and the data part 54 that has not been received is acquired from the HTTP server 11 in the same procedure as described above. Thereby, even if the connection is cut off in the middle, only the data part 54 that has not been received can be acquired from the HTTP server 11.
[0054]
In order to execute such processing, the division information acquisition unit 23c manages the total number of data units 54 to be acquired from the HTTP server 11 and the data units 54 that have been received. When it is detected that the connection is disconnected, the division information acquisition unit 23c causes the communication control unit 21 to set the connection again, and after the connection is established, the transmission of the data unit 54 that has not been received is transmitted to the HTTP server 11. To request.
[0055]
As described above, the script has been described as an example. However, the present invention is also applied to a case where large data is transmitted compared to the transmission rate of the mobile communication network 30 such as a natural image such as a still image or a moving image or character information having a large capacity. can do. In this case, it is desirable to change the division method of the provided information as appropriate according to the format (capacity of data), the capacity, and the like.
[0056]
(effect)
As described above, in this information communication system, on the server device 10 side, the data portion 52 of the provided information is held as division information (data portion 54) divided into a predetermined length or less, and the original data is stored in the header portion 53. Information (management information) indicating the data part 54 corresponding to the part 52 is added and held.
[0057]
The mobile phone terminal device 20 that uses the provision information provided by the server device 10, in accordance with the management information in the header portion 53, stores all the data portions 54 corresponding to the provision information that the user intends to use, respectively. The original data portion 52 is restored and executed. Thereby, the process according to provision information can be performed similarly to the case where it transmits without dividing the data part 52. FIG.
[0058]
In the case where the provision information is transmitted without dividing the data section 52, when the connection of the wireless line between the mobile phone terminal 20 and the base station 31 is cut off while the provision information is being transmitted. Needs to transmit the provided information from the beginning.
[0059]
On the other hand, in this information communication system, since the provided information is divided into a predetermined length or less, only the division information that has not been downloaded even if the connection of the wireless line is cut off halfway. Just download it.
[0060]
For this reason, the amount of data to be transmitted can be reduced as compared with the case where the entire provided information is downloaded again. Thereby, an effective data transfer rate can be improved, and it can contribute to efficient transmission of data and suppression of an increase in traffic. As a result, it is possible to contribute to avoiding congestion on the transmission path.
[0061]
Also, in this information communication system, the provision information is divided and held in advance on the server device 10 side, and divided on the HTTP server 11 according to the management information indicating the correspondence between the division information and the provision information on the mobile phone terminal device 20 side. The division information corresponding to the provided information can be easily acquired simply by transmitting the information transmission request. For this reason, it is possible to suppress an increase in processing load on the mobile phone terminal device 20 side.
[0062]
Further, the designer of the mobile phone terminal device 20 can obtain the division information according to the management information and provide the portion until the provided information is restored as a program in the form of a library or plug-in of the Web browser 23. The mobile phone terminal device 20 can be designed in almost the same environment as when the provided information is transmitted without being divided. Thereby, it can contribute to reduction of a design burden.
[0063]
(Modification)
In the above description, it is assumed that only one connection between the server device 10 and the mobile phone terminal device 20 is set at the same time, but this is allowed under conditions such as the transmission rate of the mobile communication network 30. In this case, a plurality of connections may be set and different division information may be transmitted for each connection.
[0064]
In this case, since the time until all pieces of division information corresponding to the provided information are received is shortened, the probability that the connection is disconnected can be reduced. Therefore, the possibility of resetting the connection and transmitting the division information further decreases. For this reason, it can contribute further to efficient transmission of data and suppression of increase in traffic.
[0065]
【The invention's effect】
In the present invention, the information providing server device holds division information obtained by dividing the provision information into a predetermined length or less in advance, and management information indicating the correspondence between each provision information and the division information.
[0066]
The information using terminal device acquires management information from the information providing server device via the connection type network, acquires all pieces of division information corresponding to the provided information according to the management information, and provides the divided information by connecting it. Information can be restored.
[0067]
If the provided information is not divided, it is necessary to retransmit the entire provided information if the connection with the information providing server device is disconnected before the reception of the provided information ends. is there.
[0068]
On the other hand, in the present invention, even if the connection with the information providing server device is disconnected before receiving all pieces of division information corresponding to one provided information, If only the division information that has not been completed is retransmitted, the information providing terminal device can restore the provided information. Therefore, according to the present invention, data such as programs and image data can be efficiently transmitted, and an increase in traffic can be suppressed, thereby contributing to avoiding congestion on the transmission path.
[Brief description of the drawings]
FIG. 1 is a diagram showing a configuration of an information communication system according to an embodiment of the present invention.
FIG. 2 is a diagram showing an example of provided information stored in a data holding unit of a server device constituting the information communication system.
FIG. 3 is a diagram illustrating an example of a format of a part (header part) of provided information stored in a data holding unit included in the server device.
FIG. 4 is a flowchart showing division processing executed by a division processing unit configuring the server device.
FIG. 5 is a diagram showing an example of management information (header part) and division information (data part) held in a data holding part constituting the server device.
FIG. 6 is a diagram illustrating an example of a format of management information stored in a data holding unit constituting the server device.
FIG. 7 is a diagram showing an example of an image showing a list of provided information displayed by the mobile phone terminal device.
FIG. 8 is a flowchart showing communication (downloading) processing executed by the mobile phone terminal device;
FIG. 9 is a diagram showing a communication procedure between the server device and the mobile phone terminal device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Server apparatus, 11 ... HTTP server, 12 ... Data holding part, 12a ... Provision information holding part, 12b ... Division information holding part, 12c ... Management information holding part, 13 ... Division processing part, 20 ... Cell-phone terminal device, DESCRIPTION OF SYMBOLS 21 ... Communication control part, 22 ... Call processing part, 23 ... Web browser, 23a ... Management information acquisition part, 23b ... Analysis part, 23c ... Divided information acquisition part, 23d ... Execution part, 24 ... Operation key, 25 ... Display part , 26 ... display control unit, 30 ... mobile communication network, 31 ... base station, 32 ... terminal position detection unit, 33 ... communication control unit, 35 ... exchange control unit

Claims (6)

Providing information storage means for storing information (provided information) to be provided to the information using terminal device via the connection type network;
Division information holding means for dividing and holding the provision information stored in the storage means into division information of a predetermined length or less;
Management information holding means for holding management information indicating the correspondence between each provided information and the division information;
Management information transmission means for transmitting the management information corresponding to the provision information instructed from the information utilization terminal device to the information utilization terminal device;
An information providing server device comprising: division information transmitting means for transmitting each piece of division information requested from the information terminal device to the information terminal device according to the transmitted management information. The division information transmitting means transmits information indicating the number of divisions of the provision information corresponding to the division information or information indicating the position of the division information in the provision information in association with the individual division information to be transmitted. The information providing server device according to claim 1, wherein: An information using terminal device that uses provided information provided by an information providing server device that holds division information obtained by dividing the provided information into a predetermined length or less and management information indicating correspondence between the divided information and the provided information. There,
Management information acquisition means for acquiring the management information from the information providing server device via a connection-type network;
Division information acquisition means for acquiring the individual division information corresponding to the management information acquired by the management information acquisition means;
An information utilization terminal device comprising: provision information restoring means for connecting the division information obtained by the division information obtaining means to restore the provision information. Monitoring means for monitoring the division information acquired by the division information acquisition means;
If the connection with the information providing server device is disconnected before the division information acquisition unit acquires all the pieces of division information corresponding to the management information, the acquisition ends after resetting the connection. 4. The information utilization terminal apparatus according to claim 3, further comprising: a retransmission control unit that requests the information providing server apparatus to transmit division information that has not been transmitted. Along with the individual division information, the information acquisition means for acquiring information indicating the number of divisions of the provision information corresponding to the division information or information indicating the position of the division information in the provision information,
5. The information utilization terminal device according to claim 4, wherein the monitoring unit monitors the division information acquired by the division information acquisition unit in accordance with information acquired by the information acquisition unit. Provided information storage means for storing information (provided information) provided via a connection-type network;
Division information holding means for dividing and holding the provision information stored in the storage means into division information of a predetermined length or less;
Management information holding means for holding management information indicating the correspondence between each provided information and the division information;
Management information transmitting means for transmitting the management information corresponding to the provided information instructed from the information using terminal device;
An information providing server device comprising: division information transmission means for transmitting each piece of division information requested according to the transmitted management information to the information terminal device;
An information using terminal device that uses provided information provided by an information providing server device that holds division information obtained by dividing the provided information into a predetermined length or less and management information indicating correspondence between the divided information and the provided information. There,
Management information acquisition means for acquiring the management information from the information providing server device via a connection-type network;
Division information acquisition means for acquiring the individual division information corresponding to the management information acquired by the management information acquisition means;
An information communication system comprising: an information use terminal device having provision information restoration means for connecting the division information obtained by the division information obtaining means and restoring the provision information.

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