JP2003208350A - Device, method for managing file and its processing program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a file managing device for realizing sharing of a desired file of a user's communication terminal connected with a communication network. <P>SOLUTION: The file managing device 100 is provided with an authentication processing part 112 for performing authentication based on an access request from the communication terminal, a storage data base 130 for storing a file by associating them with the communication terminal or its user and a file processing part 114 for storing the desired file transferred from the communication terminal in the storage data base 130 or performing browse, update, deletion or retrieval of the stored desired file when the file is certified in the authentication. <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 a technique for sharing a file between a plurality of devices, and in particular, it is desired by a user's communication terminal device connected to a communication network including a mobile communication network. The present invention relates to a file management device, a file management method, and a processing program thereof capable of storing, browsing, updating, deleting, or searching a file.

[0002]

2. Description of the Related Art In recent years, the Internet network has been improved,
Fixed terminals such as personal computers (hereinafter referred to as PCs), mobile phones and PHSs (Personal Handyphones)
With the spread of mobile terminals such as System (System) and PDAs (Personal Digital Assistants), it has become easy to carry around files with necessary information and obtain them at remote locations. On the other hand, by e-mail communication, necessary information or a file thereof can be transmitted to a plurality of designated persons, and the same file can be shared by transferring the e-mail.

[0003]

However, when sharing the same file between, for example, a PC and a PDA, mutual transfer by e-mail or FTP (File T
ransfer Protocol) and transfer each other each time,
Alternatively, direct mutual transfer via a communication cable connected to both devices is complicated from the viewpoint of unified management of files. In these methods, it takes time and effort to transfer the file according to the required request. The same applies to file sharing between a fixed terminal and a mobile terminal, or between a mobile terminal and another mobile terminal.

The present invention has been made in view of the above problems, and an object thereof is to store, browse, and update a desired file by a communication terminal device of a user connected to a communication network including a mobile communication network. It is an object of the present invention to provide a file management device, a file management method, and a processing program for the file management device that enable deletion or retrieval and share files among a plurality of devices.

[0005]

(1) In order to achieve the above object, a file management device according to the present invention is connected to a first communication terminal device via a communication network including a mobile communication network. In the file management device, an authentication unit that authenticates the access based on an access request from the first communication terminal device, and a storage that stores a file corresponding to the first communication terminal device or its user Section, and if authorized by the authentication, stores the desired file transferred from the first communication terminal device in the storage section, or browses, updates, deletes, or retrieves the stored desired file. And a file processing unit that performs at least one of the above.

(2) Further, in the file management apparatus according to the present invention, in the above (1), the file processing unit is
According to an instruction from the first communication terminal device, the desired file stored in the storage unit is stored as a file corresponding to a second communication terminal device different from the first communication terminal device or a user thereof. It is characterized in that it is stored in a storage unit.

(3) Further, in the file management apparatus according to the present invention, in the above (1), the file processing unit is
A desired file stored in the storage unit is registered as public information.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to FIGS. FIG. 1 is a block diagram for explaining an example of the overall configuration of a system in which the file management device according to the present invention is used. 2 is shown in FIG.
5 is a flowchart for explaining an operation in desired file processing using the file management apparatus of FIG. Figure 3
FIG. 4 is a diagram for explaining an example of a screen when performing the operation of FIG. 2.

An example of the overall configuration of a network system using the file management device according to the present invention will be described with reference to FIG. In the network system 10 of FIG. 1, the mobile communication network 20 and the fixed communication network 30 are connected by a gateway device 40, and the file management server 100 of the present invention is connected to the fixed communication network 30. . Here, for convenience, the mobile communication network 20 includes a mobile phone (reference numerals 22-1 and 22-2 in FIG. 1), a PHS device (not specifically shown), or a PDA device (reference numeral 2 in FIG. 1).
It is a generic term for networks for realizing data communication by mobile terminals such as 2-3). The fixed communication network 30 is, for example, an Internet network or a W as a wired network.
It is assumed to be an AN (Wide Area Network), and is expressed as a generic name of a network for realizing data communication by a PC (reference numerals 32-1, 2, 3 in FIG. 1), a server device (not particularly shown), and the like. ing. Gateway device 40
Is a device that relays between the mobile communication network 20 and the fixed communication network 30. The device converts the protocol into a protocol suitable for the mutual network, routes it, and then sends it out.

The file management server 100 is a bus 102 which is a transfer path for data processed inside the computer.
The service processing unit 110, the customer database 120,
A storage database 130, a communication interface 140 that enables communication, and a C that calculates and controls the server
Each PU (Central Processing Unit) 150 is connected and configured.

The service processing unit 110 comprises an authentication processing unit 112 and a file processing unit 114, which are processing units used when a user uses the file management service provided by the file management server 100. There is.

The authentication processing unit 112 operates the mobile communication network 20 or the fixed communication network 3 for the file management server 100.
Receive access request from each communication terminal via 0,
It authenticates whether this user can use the file management service. Here, in order to use this file management service, it is necessary to first apply for a service usage license and receive the unique user ID and password issued by this. The issued "user ID" and "password" are stored in the customer database 120, and the file management service can be used by being certified.

The file processing unit 114, after being certified,
The desired file transferred from the user can be received (stored) in the storage database 130, and the stored file is browsed, updated or deleted, or a search process is performed in response to an instruction to search for the desired file. here,
In the accumulation database 130, the certified “User I
A file is appropriately stored with "D" as a main key, and in addition to "file name", "date and time" that is useful information for browsing, etc.
And it is desirable to display "content" information and so on.

Further, the file processing unit 114 stores the desired files already stored in the storage database 130.
In order to provide to another user who uses this service (hereinafter referred to as a partner user), it has a function of storing the service in association with the user ID of the partner user. Accumulation database 13
It is desirable to display "provider user ID", which is information for knowing the user of the provider, at 0.

The file processing section 114 also has a function of registering a desired file already stored in the storage database 130 as public information.

Next, the file management operation of the file management server 100 will be described with reference to the flowchart of FIG. 2 and FIG. Here, before using this file management service, the user obtains the "user ID" and "password" by making a contract at the usage application site on the home page introducing this service. Below, PC
A file processing operation performed by a user who has a service usage contract having 32-1 will be described.

This user's PC 32-1 (user ID
An access request to the storage database 130 of the file management server 100 is accepted via the fixed communication network 30 from "ABC123" and password "xxxx") (step S201). The authentication processing unit 112 displays and outputs the screen as shown in FIG. 3A, and prompts the user to input the user ID and password. The user presses the “OK” button after finishing inputting the user ID “ABC123” and the password “xxxx”. Authentication processing unit 1
12 collates this input information with the user information of the contracted user registered in the customer database 120 (step S202). If this verification identifies a discrepancy,
Access is denied and the subsequent processing is stopped.

If a match is found by this collation,
The user's access from the PC 32-1 is authorized, and the file processing unit 114 reads the database corresponding to the user ID “ABC123” from the storage database 130. The database read here is shown in FIG.
The screen is displayed in a tree structure that can be specified with the mouse, as shown in. The tree structure can be created, deleted, or changed by the user as appropriate. The file processing unit 114 creates a new file “c” in the subdirectory SD1 based on the storage command from the user's PC 32-1.
ccc. The storage process of "txt" is performed. In addition, the file processing unit 114 performs the browsing process of the content of the already stored file “aaaa.txt” in the directory D1 based on the browsing command by double-clicking the mouse, updating the changed file, and updating the file. Delete,
The file is searched (step S203).

Further, the file processing unit 114 displays the screen information as shown in FIG. 3C by selecting the target file, for example, "aaa.txt" with the mouse and right-clicking. When "provide information to designated partner" is performed, the target file is provided to the designated partner user.
When "information disclosure" is performed, the target file is disclosed. The user selects a desired process by checking the check box corresponding to the desired process and pressing the "OK" button.

When "provide information to designated partner" is selected (step S211), the file processing unit 114
As shown in FIG. 3D, the input of the partner user ID of the partner user is prompted. By inputting this partner user ID and pressing the "OK" button, the file processing unit 114 registers the target file "aaa.txt" in the storage database 120 corresponding to the partner user ID (step S).
212).

When "information disclosure" is selected (step S221), the file processing unit 114 registers the target file "aaaa.txt" in the database for public files in the storage database 120 (step S222). .

It should be noted that not only the access from the PC as in the above example but also the use of this service by the portable terminal device via the mobile communication network 20 is possible. In this case, for example, P
The DA 22-3 accesses the file management server 100 via the mobile communication network 20, the gateway device 40, and the fixed communication network 30. As a result, FIG.
The database information as shown in (b) can be obtained, and file processing can be appropriately performed.

By using such a file management server, a user's communication terminal connected to a communication network such as the Internet can store, browse, update, delete, or search for a desired file, and a plurality of files can be stored. File sharing between devices can be realized.

(Another Embodiment) As another embodiment, the file processing unit 114-1 corresponding to the file processing unit 114 of FIG. 1 is used after being certified on the screen of FIG. 3A in the above-described embodiment. The screen shown in FIG. 4 may be displayed and output, and the desired file processing may be performed by selecting any one of these items.

In this case, when "Register file" is selected and the "OK" button is pressed, a message prompting to create a file is displayed, and the created file is stored in the accumulation database 1
It is stored in 30 in a text format or the like. "Browse file", "Update file", "Delete file", "Provide information to specified party", "Register public information", "Browse public information" are selected and "OK" button is pressed. When,
The database as shown in FIG. 3B or the tree structure thereof is displayed. When "Browse file" is selected, the file is displayed as unwritable. When "Update file" is selected, the file is displayed as writable and is overwritten. When "Delete file" is selected, unnecessary files can be deleted. When “Provide information to designated partner” is selected, after selecting the target file, the screen as shown in FIG. 3 (d) above is output and displayed, and the information of the partner user is input.
By pressing the "OK" button, the target file is registered in the database corresponding to the other user. When “register public information” is selected, the target file is registered in the database for publication after selecting the target file. When "View public information" is selected, the database information for publication is displayed as unwritable. When "Search for file" is selected, a screen prompting you to enter the character string of the file to be searched is displayed (not shown in the figure). Enter the desired character string in it and press the "OK" button. The file is searched.

By using a file management server that performs such processing, it is possible to obtain the same effects as described above.

The present invention is based on the above-described embodiment and FIGS.
The present invention is not limited to the example described with reference to FIG. 4, and various modifications can be made without departing from the spirit of the invention. For example, in the above-mentioned embodiment, the file management server 100 is connected to the fixed communication network 30 as shown in FIG. 1, but this is an example.
It may be connected to the gateway device 40 or the mobile communication network 20.

In the above-described embodiment and other embodiments, each file is stored in the storage database 130 in correspondence with the user ID. However, if the unique authentication key is uniquely determined, for example, communication is performed. Source IP (Internet Protocol) address set for the terminal or source MAC (Medi) in the data link layer
aAccess Control) address may be used. In this case, instead of the partner user ID of FIG. 3 (d), the IP address and MAC address of the partner may be prompted.

FIG. 3C in the above embodiment.
The display method of the screen is an example, and the display method may be displayed on the screen from the beginning.

In the above-described embodiment, other embodiments and various modifications, each process in the file management method may be stored in a recording medium such as a hard disk as application software. This makes it possible to store the program or the like in a portable recording medium such as a CD-ROM and sell or carry it.

[0031]

By using the file management device according to the present invention, a user's communication terminal device connected to a communication network such as the Internet can store, browse, update, delete, or retrieve a desired file. It is possible to realize file sharing among a plurality of devices.

[Brief description of drawings]

FIG. 1 is a block diagram for explaining an example of an overall configuration of a system in which a file management device according to the present invention is used.

FIG. 2 is a flow chart for explaining an operation in desired file processing using the file management device of FIG.

FIG. 3A is an example of a display screen for authentication.
FIG. 3B is an example of a display screen of a database in which files are stored. FIG. 3C is an example of a display screen for setting information provision and information disclosure. FIG. 3D is an example of a display screen for designating the other party for information provision.

FIG. 4 is a screen display example for explaining the operation in another embodiment.

[Explanation of symbols]

10: Network system 20: Mobile communication network 22: Mobile terminal 24, 34: Transmission line 30: Fixed communication network 32: PC 40: Gateway device 100: File management server 102: Bus 110: Service processing unit 112: Authentication processing unit 114: File processing unit 120: Customer database 130: Accumulation database 140: Communication interface 150: CPU

Continued front page    (72) Keiji Besshi, the inventor             2-3-1, Otemachi, Chiyoda-ku, Tokyo             Inside Telegraph and Telephone Corporation F-term (reference) 5B082 AA04 EA12 HA05 HA08

Claims (8)

[Claims] 1. A first network via a communication network including a mobile communication network.
In the file management device connected to the communication terminal device, the authentication unit for authenticating the access based on the access request from the first communication terminal device, and the first communication terminal device or a user thereof. A storage unit that stores the file correspondingly, and stores the desired file transferred from the first communication terminal device in the storage unit if authorized by the authentication, or the stored desired file. And a file processing unit that performs at least one of browsing, updating, deleting, and searching. 2. The file management device according to claim 1, wherein the file processing unit is configured to copy a desired file stored in the storage unit according to an instruction from the first communication terminal device to the first communication device. A file management device, characterized in that the file is stored in the storage unit as a file corresponding to a second communication terminal device different from the terminal device or its user. 3. The file management device according to claim 1, wherein the file processing unit registers a desired file stored in the storage unit as public information. 4. A first network via a communication network including a mobile communication network.
In the file management method in the network system connected to the communication terminal device, the access is authenticated based on the access request from the first communication terminal device, and if the authentication is successful, the first Stores the desired file transferred from the communication terminal device in the storage unit in association with the first communication terminal device or its user, or
A file management method comprising performing at least one of browsing, updating, deleting, and searching of the desired stored file. 5. The file management method according to claim 4, wherein a desired file stored in the storage unit is different from the first communication terminal device according to an instruction from the first communication terminal device. 2. A file management method, wherein the file is stored in the storage unit as a file corresponding to the second communication terminal device or its user. 6. The file management method according to claim 4, wherein the desired file stored in the storage unit is registered as public information. 7. A file management program for causing a computer to execute each process of the file management method according to claim 4. Description: 8. A computer-readable recording medium in which the file management program according to claim 7 is recorded.