JP2016177753A - File system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a file system that reduces the burden of a server device while allowing the server device to make file sharing management.SOLUTION: A terminal device (first terminal device, referred to as terminal device T1 herein) of any of conference participants downloads a file from a server device S. The terminal device T1 then adds a mandatory display command to the downloaded file and transmits the file to another terminal device T2 to Tn (second terminal device) over direct communication in accordance with a user operation. The second terminal device that has received this file displays the file since the mandatory display command is added to the file. Therefore, the terminal device of each person can view the same file without access to the server device S.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a file system using a server device and a terminal device.

  A file such as a document is recorded on a server device and shared between terminal devices connected via a network. In the case of editing and browsing a file by a plurality of people, there is an advantage that the latest file can be acquired by connecting to the server device and information can be shared with certainty.

  In such a system, when a file is edited in a certain terminal device, it is uploaded to the server device. The other terminal devices are notified from the server device that the file has been updated. Other terminal devices access the server device to download and update files.

JP2013-65241A

  However, in the prior art system as described above, the file must be updated by accessing the server device from each terminal device. For this reason, for example, when a meeting is held while a plurality of people bring a terminal device such as a tablet and browse a file, it is necessary to access the server device from each terminal device and update the file individually. That is, there is a problem that not only the amount of communication with the server device increases, but also the access to the file of the server device is concentrated. Furthermore, there is a problem that if the communication with the server device is not possible, the file cannot be updated.

  However, in a method in which each terminal device records a file without providing a server device, there is a problem that file synchronization cannot be achieved and file sharing cannot be realized.

  Patent Document 1 discloses a system that performs communication between terminal devices located in the vicinity without providing a server device while providing a server device. However, Patent Document 1 does not present a solution for the above-described file sharing problem.

  An object of the present invention is to provide a file system that solves the above-described problems and reduces the burden on the server device while performing file sharing management by the server device.

  Some features that can be independently employed in the file system according to the present invention are described below.

(1) A file system according to the present invention is a file system including a server device, a first terminal device, and a second terminal device, wherein the first terminal device uses a network communication unit to A server device receiving means for receiving a reference file from the apparatus, a recording means for recording the received reference file in a recording section, and a compulsory display command for a part or all of the reference file recorded in the recording section. And a transfer device for transmitting to the second terminal device using a direct communication unit as a transfer file,
The second terminal device receives a part or all of the transfer file transmitted from the first terminal device together with a compulsory display command;
A file system comprising file display means for displaying a part or all of the transfer file received together with the forced display command on a display unit.

  Therefore, it is possible to provide a system that reduces the burden on the server device while performing file management by the server device.

(2) (3) The terminal device according to the present invention, using the network communication unit, to the server device receiving means for receiving the reference file from the server device, and the recording means for recording the received reference file in the recording unit, A terminal device transmitting means for sending a compulsory display command to a part or all of the reference file recorded in the recording unit and transmitting the file as a transfer file to the destination terminal device directly using the communication unit; The terminal device receiving means for receiving part or all of the transfer file transmitted from the terminal device together with the forced display command, and displaying part or all of the transfer file received together with the forced display command on the display unit File display means.

  Therefore, it is possible to provide a system that reduces the burden on the server device while performing file management by the server device.

(4) The terminal device according to the present invention is characterized in that the recording means of the terminal device updates the reference file already recorded in the recording unit with the transfer file received from the transmission source terminal device.

  Therefore, the file can be updated by transfer.

(5) The terminal device according to the present invention is characterized in that the terminal device transmission means transmits a portion selected by the user in the reference file.

  Therefore, only necessary portions can be transferred to other terminal devices.

(6) The terminal device according to the present invention is characterized in that the terminal device transmission means transmits a portion requested from the transmission destination terminal device in the reference file.

  Therefore, only the part requested by the other terminal device can be transferred.

(7) In the terminal device according to the present invention, the terminal device transmission means transmits a file inquiry for confirming whether the transfer file is recorded in the transmission destination terminal device, and the transfer file is recorded in the transmission destination terminal device. The transfer file is transmitted to the destination terminal device only when it is not done.

  Therefore, when a file is recorded in the transmission destination terminal device, unnecessary transfer can be avoided.

(8) The terminal device according to the present invention receives the file only when the file receiving means receives the file inquiry and the transfer file is not recorded in the recording unit, and the file display means When the transfer file is recorded in the recording unit, the file is displayed on the display unit.

  Therefore, when a file is recorded in the recording unit, it can be displayed immediately without receiving file transfer.

(9) A file transfer method according to the present invention is a file browsing method in a file system including a server device, a first terminal device, and a second terminal device, wherein the first terminal device includes a network communication unit The first terminal device records the received reference file in the recording unit, and the first terminal device uses the reference file recorded in the recording unit. For some or all, a compulsory display command is attached, and a transfer file is directly transmitted to the second terminal device using the communication unit, and the second terminal device transmits from the first terminal device. A part or all of the transferred file received together with the forced display command, and the second terminal device displays a part or all of the transferred file received together with the forced display command. To display.

  Therefore, it is possible to provide a file transfer method that reduces the burden on the server device while performing file management by the server device.

  In the embodiment, “to server device receiving means” corresponds to step S2.

  In the embodiment, “recording unit” corresponds to step S3.

  In the embodiment, “to terminal device transmitting means” corresponds to step S15.

  In the embodiment, “file display means” corresponds to step S24.

  The “program” is a concept that includes not only a program that can be directly executed by the CPU, but also a source format program, a compressed program, an encrypted program, and the like.

1 is an overall configuration of a file system according to the present invention. It is a functional block diagram of a terminal device. This is a hardware configuration of the terminal device T1. It is a hardware configuration of the server apparatus S. 4 is a flowchart of a file management program 44. 4 is a flowchart of a file management program 44. 4 is a flowchart of a file management program 44. It is an example of a screen display of a list of terminal devices capable of file transfer. It is an example of a screen display of a terminal device list during communication establishment. It is a figure which shows file DB. It is a figure which shows a transfer file. It is a flowchart of the file management program 44 by other embodiment.

1. Overall Configuration of System FIG. 1 shows a configuration of a file system according to an embodiment of the present invention. The terminal devices T1, T2,... Tn can communicate with the server device S via a network such as the Internet. In this embodiment, the terminal devices T1, T2,... Tn are connected to the network by wireless LAN, but may be connected by wire. In this embodiment, it is also possible to perform near field communication such as Bluetooth and WiFi between the terminal devices T1, T2,... Tn.

  Each of the terminal devices T1, T2,... Tn can access the server device S and download and acquire the latest file. The user who edited the file by operating the terminal devices T1, T2,... Tn uploads the edited file to the server device S. As a result, the latest file is recorded in the server device S.

  In addition, when each user having the terminal devices T1, T2,... Tn conducts a conference or the like while referring to the file, the following processing can be performed. One of the terminal devices (first terminal device, here, terminal device T1) of the conference participant downloads the file from the server device S. Next, in response to a user operation, the terminal device T1 attaches a forced display command to the downloaded file and transmits it to other terminal devices T2... Tn (second terminal device) by direct communication. The second terminal device that has received this displays the file because the forced display command is given.

  Therefore, the same file can be browsed without accessing the server device S in each terminal device.

Note that the file transfer between the terminal devices as described above can be performed for the purpose of updating to the latest file in addition to the conference.

2. Functional Block Diagram of Terminal Device FIG. 2 is a functional block diagram of the terminal device in the file system according to the embodiment of the present invention. Here, the functional block diagram is shown for the terminal device T1, but the same applies to the other terminal devices T2 to Tn.

  The function when the terminal device T1 transmits the reference file to the transmission destination terminal device T2 and the like is as follows. The server reception means 52 receives a file from the server device S by the network communication unit 50. The recording unit 54 records the received file in the recording unit 66 as a reference file. The terminal device transmission means 56 transmits the reference file recorded in the recording unit 66 by the direct communication unit 58 to the transmission destination terminal device T2 as a transfer file. At this time, a forced display command is also transmitted. Receiving this, the destination terminal device T2 displays the received transfer file on the display unit in accordance with the forced display command.

The function when the terminal device T1 receives the transfer file from the transmission source terminal device T3 is as follows. The terminal device receiving means 60 receives the transfer file from the transmission source terminal device T3 together with the forced display command by the direct communication unit 58. The display means 62 displays the received transfer file on the display unit 64 in accordance with the forced display command.

3. Hardware Configuration FIG. 3 shows the hardware configuration of the terminal devices T1, T2,... Tn. In this embodiment, a tablet computer is used as a terminal device.

  Connected to the CPU 30 are a memory 32, a touch screen display 34 as a display unit, a nonvolatile memory 36 as a recording unit, a direct communication circuit 38 as a direct communication unit, and a network communication circuit 40 as a network communication unit.

  The direct communication circuit 38 is a circuit for communicating directly with another terminal device (not via the server device S) at a short distance according to the Bluetooth standard or the Wifi standard (P2P communication or the like). The network communication circuit 40 is a circuit for communicating with the server device S via a network such as the Internet. A circuit that communicates with a wireless router connected to a network in accordance with the Wifi standard, the 3G / 4G / LTE standard, or the like can be used.

  An operating system 42 and a file management program 44 are recorded in the nonvolatile memory 36. The file management program 44 performs its function in cooperation with the operating system 42. These programs are downloaded via the Internet or the like.

  In this embodiment, a tablet computer is used as the terminal device, but a smartphone, a normal PC, or the like may be used. Moreover, these may be mixed.

  FIG. 4 shows a hardware configuration of the server apparatus S. A memory 12, a hard disk 14, a DVD-ROM drive 16, and a network communication circuit 18 are connected to the CPU 10. The network communication circuit 18 is for connecting to a network such as the Internet.

  An operating system 20 and a file management program 22 are recorded on the hard disk 14. Further, the shared file is recorded on the hard disk 14. The file may be recorded on another computer.

The file management program 22 performs its function in cooperation with the operating system 20. These programs are those recorded on the DVD-ROM 24 and installed on the hard disk 14 via the DVD-ROM drive 16.

4). Processing of File Management Program FIG. 5 shows a flowchart of the file management programs 22 and 44 when the terminal device T1 downloads a file from the server device S.

  In response to a user operation, the CPU 30 of the terminal device T1 (hereinafter sometimes abbreviated as the terminal device T1) transmits a file request to the server device (step S1). In response to this, the server apparatus S reads the requested file from the hard disk 14 and transmits it (step S11).

  The terminal device T1 receives the transmitted file (step S2). Subsequently, the terminal device T1 records the received file in the nonvolatile memory 36 (step S3). An example of the recorded file is shown in FIG. FIG. 10 shows the data structure of the file DB, which is updated (added or overwritten) by the file acquired this time.

  In FIG. 10, “document registration destination server name” indicates from which server device S this file is obtained. “Document ID” is an ID for specifying a document. In this embodiment, each server apparatus attaches a unique ID. Therefore, the file (document) can be specified by the server name and the document ID. In the “document binary data”, actual file data is recorded.

  As described above, the terminal device T1 can obtain the latest file from the server device S. When the acquired file is edited, it is transmitted from the terminal device T1 to the server device S. In response to this, the server device S updates the file recorded on the hard disk 14.

  Next, FIGS. 6 and 7 show flowcharts in the case where the file downloaded from the server device S is transmitted to the nearby terminal devices T2... Tn.

  By user operation, the terminal device T1 reads out the file recorded in the nonvolatile memory 36 and displays it on the touch screen display 34 (step S5). In this embodiment, the file displayed on the touch screen display 34 as described above is a target to be transferred as a reference file. Here, the file immediately after downloading from the server device S is used as the reference file, but another file recorded in the nonvolatile memory 36 may be used as the reference file.

  Next, when the user clicks a transfer processing start button (not shown) displayed on the touch screen display 34, the terminal device T1 directly controls the communication circuit 38, and there is another terminal device capable of communication. If so, the terminal device is specified (step S6). This processing can be performed by transmitting a signal for inquiring a communicable terminal directly from the communication circuit 38 and whether there is a response (including a terminal ID). Here, for example, it is assumed that the terminal devices T2, T5, etc. are listed as communicable terminal devices and the list is recorded in the memory 32.

  Next, the terminal device T1 performs the following process for each of the terminal devices listed as communicable (steps S7 and S11). Hereinafter, processing for the terminal device T2 will be described, but processing for other terminal devices is the same.

  First, the terminal device T1 transmits, to the terminal device T2, a signal for inquiring whether the terminal device T2 can transfer a file by direct communication from the direct communication circuit 38 (step S8). In this embodiment, the determination is made based on whether or not the same file management program 44 is installed in the terminal device T2. In other words, the file management program 44 is configured to directly reply from the communication circuit 38 that it is possible when receiving the above inquiry from another terminal device.

  Therefore, if the file management program 44 is also installed in the terminal device T2, a reply indicating that it is possible is transmitted directly via the communication circuit 38. That is, the CPU 30 of the terminal device T2 (hereinafter may be abbreviated as “terminal device T2”) sends a reply indicating that it is possible if the content can be interpreted in response to the inquiry (step S21). . If the file management program 44 is not installed in the terminal device T2, no response is returned.

  The terminal device T1 determines whether or not there is a “possible” response to the inquiry (step S9). It should be noted that if a response cannot be received even after a predetermined time has passed since the inquiry was transmitted, it is determined that there is no response.

  If there is a response, the terminal device T1 adds the terminal device T2 to the file transfer enable list (step S10). If there is no response, the process for the terminal device T2 is terminated.

  Next, the terminal device T1 repeats the same process as described above for the other terminal devices that are enabled to communicate in step S6. As described above, other terminal devices capable of transferring files are listed.

  Subsequently, the terminal device T1 displays a list of terminal devices capable of file transfer on the touch screen display 34 (step S12). A display example of the list is shown in FIG. This list is displayed as a pop-up on the display screen of the currently displayed file (“plan of new product”).

  A check box 100 is provided in front of the terminal device name in the list. The user touches the touch screen display 34 for a terminal device that may perform file transfer. The terminal device T1 establishes communication with the selected terminal device (step S13).

  Note that a check mark is displayed in the check box 100 for the terminal device selected as the communication establishment destination. If the selection is made by mistake, the check mark can be removed by removing the check mark by touching it again.

  The terminal device T1 displays on the touch screen display 34 a list of terminal devices (terminal devices that may perform file transfer) selected as communication establishment destinations as described above (step S14). FIG. 9 shows a display example of a list of terminal devices for which communication has been established. This list is displayed as a pop-up on the display screen of the currently displayed file ("plan for new product"), as in FIG.

  The user touches the check box 102 from the list of terminal devices with which communication is established, and selects a terminal device that actually transfers the file. After selection, the transmission button 104 is clicked.

  In response, the terminal device T1 transmits the file currently being browsed to each terminal device selected as the transfer destination using the direct communication circuit 38 (step S15). For example, in the file DB of FIG. 10, if a file with document ID = 001 is a transfer target, the terminal device T1 reads this, sets the forced display flag to “1”, and generates a transfer file.

  FIG. 11 shows an example of a transfer file. If the compulsory display flag is “1”, it indicates that the data is forcibly displayed at the transfer destination. If the forced display flag is “0”, it means that the forced display is not performed at the transfer destination. In this embodiment, the forced display flag is set to “1” for the transfer file unless the user makes any particular changes.

  The terminal device T2 that has received the transfer file by the direct communication circuit 38 records the file (excluding the forced display flag) in the file DB of the nonvolatile memory 36 (step S22). That is, the file is updated (added or overwritten).

  Next, the terminal device T2 determines whether or not the forced display flag of the received transfer file is “1” (step S23). If “1”, the received file is displayed (step S24). In this embodiment, the first page of the file is initially displayed. If “0”, the forced file display process is not performed.

As described above, a file can be transferred to a terminal device of a user nearby such as a conference participant. In addition, since the file is displayed without the user's operation at the transfer destination, there is no need for the user at the transfer destination to find and display the file.

5. Other
(1) In the above embodiment, the case where the file is transferred from the terminal device T1 to another terminal device T2 has been described. The same processing is performed when transferring a file from the terminal device T2 to another terminal device T1 or the like. In this case, the terminal device T2 performs processing of the terminal device T1 illustrated in FIGS. 6 and 7, and the terminal device T1 performs processing of the terminal device T2 illustrated in FIGS.

(2) In the above embodiment, the file being displayed in the transfer source terminal device T1 is the target file to be transferred. However, the user may select a file to be transferred from the list and transfer the file. When a plurality of files are selected as transfer targets, a selection screen may be provided for selecting which file is to have a forced display flag (a forced display flag may be attached to a plurality of files).

(3) In the above embodiment, the forced display flag is automatically set to “1” in the file to be transferred. However, a user operating the transfer source terminal device may be able to select this. Further, when transferring a plurality of files at a time, the files may be selected for each file.

(4) In the above embodiment, the top page is displayed when displaying the file in step S24. However, a predetermined page (such as the last page) other than the top page may be displayed.

  Further, the page displayed by the transfer source user (or the page designated by the transfer source user) may be added to the transfer file as information, and this page may be displayed at the transfer destination.

(5) In the above embodiment, the entire file is transferred. However, a part of the file (for example, only a predetermined page) may be transferred.

(6) In the above embodiment, the received file is recorded in the non-volatile memory 36 in the transfer destination terminal device. However, only display may be performed without recording in the nonvolatile memory 36. In this case, it is preferable that only the page displayed by the transfer source user (or the page designated by the transfer source user) is transmitted to the transfer destination. At the transfer destination, the page of the file is temporarily recorded in the memory 32 for display on the touch screen display 34, but is not recorded in the nonvolatile memory 36. This is useful if you only want to share file browsing.

  Note that the transfer destination user may transmit the page to be displayed to the transfer source, and receive and display the page accordingly.

(7) In the above embodiment, the file to be transferred by the transfer source user is displayed on the terminal device T1, and the transfer process for the file is started by clicking the transfer start process button. However, when the download of the file shown in FIG. 5 is completed, the processing after step S5 may be automatically started. According to this, when a new file (updated file) is acquired from the server device S, the file can be automatically transferred to other terminal devices in the vicinity.

(8) In the above embodiment, in step S13, the user selects a terminal device that establishes communication from among transferable terminal devices. However, all of the terminal devices listed as transferable terminal devices may be displayed as the list of FIG. Further, the file may be transferred to all the terminal devices listed as transferable terminal devices without displaying the selection screens of FIGS. 8 and 9.

(9) In the above embodiment, the file is transmitted to the terminal device selected by the user in step S15 of FIG. However, if the file is already recorded in the transfer destination terminal device, the file may not be transferred. A flowchart in this case is shown in FIG.

  The flowchart of FIG. 12 is a process inserted between steps S14 and S15 of FIG. When the transfer destination terminal device is selected by the user, the terminal device T1 transmits a file inquiry and a forced display command to the terminal device T2 through the direct communication circuit 38 (step S101). The file inquiry is an inquiry as to whether or not the file to be transferred is already recorded in the transfer destination terminal device T2. The file inquiry includes a document ID, a server address, a document version number, a document update date and the like for specifying a file to be transferred.

  The terminal device T2 that has received the file inquiry determines whether or not the file is recorded in the terminal itself (step S201). If not recorded, a file transfer request is transmitted to the terminal device T1, and the terminal device T1 receives the request and transmits the file (step S102, step S15 in FIG. 7).

  On the other hand, if the file is recorded in the own terminal, the terminal device T2 determines whether or not a forced display command has been received (step S202). If the forced display command is added, the terminal device T2 is recorded in the own terminal. The file is displayed on the touch screen display 34 (step S203).

Therefore, if the file is already recorded in the transfer destination terminal device, the file transfer can be omitted and displayed.

Claims (9)

A file system comprising a server device, a first terminal device, and a second terminal device,
The first terminal device is:
Using a network communication unit to receive a reference file from the server device;
Recording means for recording the received reference file in a recording unit;
A terminal device transmitting means for giving a compulsory display instruction to a part or all of the reference file recorded in the recording unit and transmitting the file as a transfer file to the second terminal device using the direct communication unit; ,
The second terminal device is:
A terminal device receiving means for receiving part or all of the transfer file transmitted from the first terminal device together with a forced display command;
File display means for displaying a part or all of the transfer file received together with the forced display command on a display unit;
With file system. Using a network communication unit to receive a reference file from the server device;
Recording means for recording the received reference file in a recording unit;
With respect to a part or all of the reference file recorded in the recording unit, a compulsory display command is attached, and as a transfer file, using a direct communication unit, the terminal device transmitting means for transmitting to the destination terminal device,
A terminal device receiving means for receiving a part or all of the transfer file transmitted from the transmission source terminal device together with a forced display command;
File display means for displaying a part or all of the transfer file received together with the forced display command on a display unit;
A terminal device comprising: A terminal program for realizing a terminal device by a computer, the computer
Using a network communication unit to receive a reference file from the server device;
Recording means for recording the received reference file in a recording unit;
With respect to a part or all of the reference file recorded in the recording unit, a compulsory display command is attached, and as a transfer file, using a direct communication unit, the terminal device transmitting means for transmitting to the destination terminal device,
A terminal device receiving means for receiving a part or all of the transfer file transmitted from the transmission source terminal device together with a forced display command;
A terminal program for causing a part or all of the transfer file received together with the forced display instruction to function as a file display means for displaying on a display unit. In the apparatus of claim 2 or the program of claim 3,
The recording device of the terminal device updates the reference file already recorded in the recording unit with the transfer file received from the transmission source terminal device. In the apparatus or program in any one of Claims 2-4,
The terminal-to-terminal device transmitting means transmits a portion selected by a user in a reference file. In the apparatus or program in any one of Claims 2-4,
The terminal-to-terminal device transmitting means transmits a portion requested from a destination terminal device in a reference file. In the apparatus or program in any one of Claims 2-6,
The terminal device transmission means transmits a file inquiry for confirming whether or not the transfer file is recorded in the transmission destination terminal device, and only when the transfer file is not recorded in the transmission destination terminal device Is transmitted to the transmission destination terminal device. In the apparatus or program of Claim 7,
The terminal device receiving means receives the file inquiry, and receives the file only when the transfer file is not recorded in the recording unit,
When the transfer file is recorded in the recording unit, the file display unit displays the file on the display unit. A file browsing method in a file system including a server device, a first terminal device, and a second terminal device,
The first terminal device receives a reference file from a server device using a network communication unit,
The first terminal device records the received reference file in a recording unit;
The first terminal device gives a compulsory display command for a part or all of the reference file recorded in the recording unit, and transmits it as a transfer file to the second terminal device using the direct communication unit. ,
The second terminal device receives a part or all of the transfer file transmitted from the first terminal device together with a forced display command,
A file browsing method in which the second terminal device displays a part or all of the transfer file received together with the forced display command on a display unit.

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