JP2006189970A - Electronic file management device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily specify a recording medium on which a target electronic file is recorded regardless of the number of recording media to be managed.
When an instruction to add an electronic file to a recording medium 2 is input, an electronic file is added to the recording medium 2 by an electronic file adding means 1a in accordance with the addition instruction. Then, the recording medium identifier reading unit 1b reads the recording medium identifier from the recording medium identifier storage unit 2a of the recording medium 2 to which the electronic file is added by the electronic file adding unit 1a. Then, file information including keywords related to the electronic file recorded on the recording medium 2 is recorded in the database 3 in association with the recording medium identifier read by the recording medium identifier reading means 1b by the database operating means 1c. .
[Selection] Figure 1

Description

  The present invention relates to an electronic file management apparatus, and more particularly to electronic file management for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage unit in which a recording medium identifier for uniquely identifying the recording medium is stored. Relates to the device.

  In recent years, with the digitization of various devices, individual users have owned a large number of electronic files generated by PCs (Personal Computers), digital cameras, ICs (Integrated Circuits) recorders, and the like. Furthermore, with the diversification of recording media, it has become common for users to store and manage these electronic files on various types of recording media in accordance with their usage frequency and purpose.

  As a management method of these electronic files, a method of printing a label on a recording medium or creating and managing a list of directories and folders inside the recording medium is generally performed. Particularly recently, with the development of RFID (Radio Frequency Identification) technology, ID (Identification) and information written on an RFID tag are wirelessly referred to.

  Against this background, a technique for identifying the content storage location without referring to the content of a removable recording medium such as a CD (Compact Disc) or a flash memory with a dedicated drive is considered. For example, an electronic file recorded on a recording medium is held in the file management apparatus in the file management apparatus, an access table holding a plurality of access paths to the electronic file is provided, and a plurality of path selection methods are provided. Thus, there is one that can efficiently manage electronic files (see, for example, Patent Document 1).

  However, in the technique disclosed in Patent Document 1, since it is necessary to hold an electronic file in the file management apparatus, when the amount of the recording medium becomes enormous, the electronic files recorded on all the recording media are managed. It is difficult. Therefore, there is a technique of reading the contents of the list with an RFID tag reader and referring to the list of electronic files stored in the recording medium.

For example, in a wireless tag of a recording medium, information for identifying a storage medium such as an index of contents recorded in the recording medium is recorded, and a plurality of media provided with the wireless tag using a wireless tag reader In some cases, a predetermined medium can be easily found (see, for example, Patent Document 2).
JP 2003-67230 A JP 2002-288963 A

  However, the technique of Patent Document 2 has a problem in that when searching for a recording medium on which a desired electronic file is recorded, information must be read from the wireless tags of all the recording media every time. For this reason, when the number of recording media increases, a great deal of labor is required to find the target electronic file.

  The present invention has been made in view of the above points, and an electronic file management apparatus capable of easily specifying a recording medium on which a target electronic file is recorded, regardless of the number of recording media to be managed. The purpose is to provide.

  In the present invention, an electronic file management apparatus 1 as shown in FIG. 1 is provided to solve the above problem. The electronic file management apparatus 1 manages an electronic file recorded on a removable recording medium 2 having recording medium identifier storage means 2a in which a recording medium identifier for uniquely identifying the recording medium is stored. When an instruction to add an electronic file to the recording medium 2 is input, an electronic file adding means 1a for adding an electronic file to the recording medium 2 in accordance with the adding instruction and an electronic file adding means 1a add an electronic file. The recording medium identifier reading unit 1b that reads the recording medium identifier from the recording medium identifier storage unit 2a of the recording medium 2 that has been performed, and the recording medium identifier that is read by the recording medium identifier reading unit 1b are associated with the recording medium 2 Data for recording file information including keywords related to the recorded electronic file in the database 3 And a base operating means 1c.

  In such an electronic file management apparatus, when an instruction to add an electronic file to the recording medium 2 is input, the electronic file is added to the recording medium 2 by the electronic file adding unit 1a according to the addition instruction. Then, the recording medium identifier reading unit 1b reads the recording medium identifier from the recording medium identifier storage unit 2a of the recording medium 2 to which the electronic file is added by the electronic file adding unit 1a. Then, file information including keywords related to the electronic file recorded on the recording medium 2 is recorded in the database 3 in association with the recording medium identifier read by the recording medium identifier reading means 1b by the database operating means 1c. .

  According to the present invention, there is provided an electronic file management apparatus for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage unit storing a recording medium identifier for uniquely identifying the recording medium. For each recording medium identifier read by the medium identifier reading means, when a restructuring instruction for a database in which file information including a keyword related to an electronic file recorded on the recording medium is recorded is input, the reconstruction is performed In accordance with the instruction, the file information reading means for reading the file information of all the electronic files stored in the recording medium, and the recording medium identifier storage means of the recording medium from which the file information has been read by the file information reading means Reading the stored recording medium identifier And a database reconstruction means for updating file information corresponding to the recording medium identifier recorded in the database based on the file information read by the file information reading means. A file management device is provided.

  In such an electronic file management device, when a reconstruction instruction for the database is input, the file information reading means reads the file information of all electronic files stored in the recording medium in accordance with the reconstruction instruction, and the recording medium The identifier reading unit reads the recording medium identifier stored in the recording medium identifier storage unit of the recording medium from which the file information is read by the file information reading unit, and the database reconstruction unit is read by the file information reading unit. The file information corresponding to the recording medium identifier recorded in the database is updated based on the file information.

  According to the electronic file management apparatus of the present invention, file information including a keyword related to an electronic file recorded on a recording medium is recorded in a database in association with the recording medium identifier. Thus, by referring to the database, a desired electronic file can be found from a large number of recording media by a keyword, and the recording medium on which the electronic file is recorded can be easily specified by a recording medium identifier.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
First, the outline of the invention applied to the embodiment will be described, and then the specific contents of the embodiment will be described.

  FIG. 1 is a conceptual diagram of the invention applied to the embodiment. As shown in FIG. 1, when an electronic file addition instruction is given to the electronic file addition means 1 a provided in the electronic file management apparatus 1, the electronic file addition means 1 a adds an electronic file to the recording medium 2. .

  Further, the recording medium identifier reading unit 1 b reads a recording medium identifier for uniquely identifying the recording medium 2 stored in the recording medium identifier storage unit 2 a provided in the recording medium 2.

  The database operating unit 1c identifies the corresponding database 3 from the recording medium identifier read by the recording medium identifier reading unit 1b, and records the file information of the electronic file added from the electronic file adding unit 1a in the database 3 for each recording medium identifier. To do. The file information includes a keyword. The keyword is, for example, management information such as a file name of the electronic file and a file creation date.

  According to such an electronic file management apparatus 1, when an electronic file addition instruction is issued to the electronic file addition means 1a, the electronic file is added to the recording medium 2 by the electronic file addition means 1a. Then, the recording medium identifier reading unit 1b reads the recording medium identifier from the recording medium identifier storage unit 2a provided in the recording medium 2. Thereafter, the database operating unit 1c identifies the corresponding database 3 from the recording medium identifier read by the recording medium identifier reading unit 1b, and the file information of the electronic file added by the electronic file adding unit 1a is associated with the recording medium identifier. Recorded in the database 3.

  Thereby, it is possible to easily specify a recording medium on which a desired electronic file is recorded from a large number of recording media. That is, since the information of the electronic file recorded on the recording medium is stored in the database 3, the file information of the electronic file stored in each recording medium can be obtained by referring to the information in the database 3. Can do. Since the file information includes a keyword, it can be determined whether or not the file information of the electronic file that the user is looking for is based on the keyword. Moreover, since the file information is recorded in association with the recording medium identifier, it is possible to uniquely specify the recording medium on which the electronic file corresponding to the file information is recorded.

  Note that the electronic file operation performed on the recording medium is not limited to the addition of the electronic file. For example, an operation for deleting an electronic file recorded on a recording medium is also performed. Even when such a deletion operation is performed, the fact that the deletion operation has been performed can be registered in the database 3. Hereinafter, an embodiment of the present invention will be described in detail using an example of a system that manages the history of operations of adding and deleting electronic files to / from a recording medium using the database 3.

[First Embodiment]
FIG. 2 is a diagram illustrating a system configuration example according to the embodiment. In FIG. 2, there are an FD (flexible disk) 21, a CD-RW (ReWritable) 24, and a memory card 23.

  Each recording medium is given an ID for uniquely identifying the recording medium, and the ID of the recording medium is stored in each of the RFID tags 21a, 24a, and 23a. As the recording medium ID, for example, each recording medium can be uniquely identified by using EPC (Electronic Product Code).

  The electronic file management devices 100, 100a, 100b are, for example, RFIDs for wirelessly reading IDs of recording media stored in an FD drive for inputting / outputting an electronic file of the FD 21 and an RFID tag 21a attached to the FD 21. A tag reader and an input / output device for performing operations such as an FD drive are provided.

  Further, the electronic file management devices 100, 100 a, 100 b are connected to the network 30. Databases 51 and 52 and a recording medium position specifying device 40 are further connected to the network 30.

  The databases 51 and 52 record file information of electronic files recorded on the FD 21. The recording medium position specifying device 40 is a device that indicates a position where the corresponding FD 21 is stored when the FD 21 is stored and position information of the recording medium is received.

  The electronic file management devices 100, 100 a, and 100 b have a function of adding and deleting electronic files to / from at least one recording medium of the FD 21, the CD-RW 24, and the memory card 23, respectively. For example, each electronic file management apparatus 100 includes a drive corresponding to each recording medium of the CD-RW 24 and the memory card 23. Each drive includes an RFID tag reader for reading an ID of a recording medium stored in the RFID tag. Thus, the file information of the electronic file recorded on the CD-RW 24 and the memory card 23 can be recorded in the databases 51 and 52. If the file information of the electronic file includes the position information of the recording medium, the recording medium position The position of the recording medium can be specified using the specifying device 40.

  FIG. 3 is a diagram illustrating a hardware configuration example according to the embodiment of the present invention. The entire electronic file management apparatus 100 is controlled by a CPU (Central Processing Unit) 103. The CPU 103 is connected to the CD-RW drive 101, the memory card reader / writer 102, the RFID tag readers 101a and 102a, the RAM (Random Access Memory) 104, the HDD (Hard Disk Drive) 105, and the communication I / F (interface) via the bus 109. 106, an input / output I / F 107, and a wireless communication I / F 108 are connected.

  The RAM 104 temporarily stores at least a part of programs to be executed by the CPU 103 and application programs. The RAM 104 stores various data necessary for processing by the CPU 103. The HDD 105 stores application programs.

  The input / output I / F 107 is connected to the display device 11 and the input device 12 of the electronic file management device 100. The display device 11 receives a command from the CPU 103 via the input / output I / F 107 and displays an image on the screen. Further, the input device 12 transmits a signal to the CPU 103 via the input / output I / F 107.

  The communication I / F 106 is connected to the databases 51 and 52. The wireless communication I / F 108 is connected to the remote controller 200. The remote controller 200 is a device for remotely operating the electronic file management apparatus 100, and an RFID tag reader 201 is provided therein. The RFID tag reader 201 is an electronic file recorded on the memory card 23 and the CD-RW 24 stored in the RFID tag 23a attached to the memory card 23 and the RFID tag 24a provided on the CD-RW 24. The remote controller 200 transmits the read ID to the CPU 103 via the wireless communication I / F 108.

  The CD-RW drive 101 and the memory card reader / writer 102 are also provided with RFID tag readers 101a and 102a, respectively. The RFID tag readers 101a and 102a store file information of electronic files recorded on the memory card 23 and the CD-RW 24 stored in the RFID tags 23a and 24a included in the memory card 23 and the CD-RW 24. Read and transmit to the CPU 103 via the bus 109.

  The CPU 103 receives the RFID attached to the memory card 23 and the CD-RW 24 received from the RFID tag reader 201 inside the remote control 200, the CD-RW drive 101, and the RFID tag readers 101a and 102a inside the memory card reader / writer 102. By transmitting the file information of the electronic file recorded on the memory card 23 and the CD-RW 24 stored in the tags 23 a and 24 a to the databases 51 and 52 via the communication I / F 106, Reflect data.

  With the hardware configuration as described above, the processing functions of the present embodiment can be realized. The other electronic file management apparatuses 100a and 100b can also be realized with the same hardware configuration.

Next, processing functions of the electronic file management apparatus 100 will be described.
FIG. 4 is a diagram illustrating processing functions of the electronic file processing apparatus.
The electronic data input / output application 111 outputs a file operation request such as addition / deletion of an electronic file to / from the CD-RW 24 or the memory card 23 in response to an operation input from the user.

  The electronic file update unit 110 controls the CD-RW drive 101 for inputting / outputting an electronic file in response to an electronic file update instruction from the electronic data input / output application 111 to the CD-RW 24, and Perform file operations such as adding and deleting files. In addition, when updating the electronic file to the CD-RW 24, the electronic file update unit 110 acquires the ID of the CD-RW 24 and the access path corresponding to the ID from the recording medium identifier reading unit 120. Then, the electronic file update unit 110 passes the acquired ID, access path, file information of the added electronic file to the database operation unit 130, and the database operation unit 130 receives the ID of the CD-RW 24 of the database 51. An instruction to update the file information of the electronic file in the designated area corresponding to is issued.

  Further, when updating the CD-RW 24, the electronic file update unit 110 acquires the file information of the ID of the CD-RW 24 from the database 51 via the database operation unit 130, and the protection information is included in the acquired file information. If there is, update access control to the CD-RW 24 is performed based on the protect information. For example, when the file information acquired from the database 51 includes write protect information indicating write prohibition, the electronic file update unit 110 performs access control for updating the CD-RW 24 based on the write protect information.

  The recording medium identifier reading unit 120 reads the ID of the CD-RW 24 stored in the RFID tag 24a in response to a request from the electronic file update unit 110 or the database search unit 140, and stores it in the database 51 corresponding to the ID. The access table to the database corresponding to the ID is specified by referring to the data table in which the relationship with the access path is registered.

  The file list reference application 141 outputs a search instruction or reference instruction for the electronic file stored in the recording medium to the database search unit 140 in response to an operation input from the user. Further, the file list reference application 141 receives the search result from the database search unit 140 and displays the search result.

  When a search instruction is input from the file list reference application 141, the database search unit 140 searches for file information from the database 51 and passes the search result to the file list reference application 141. Further, when a recording medium reference instruction is input from the file list reference application 141, the database search unit 140 acquires an ID and an access path of the corresponding database 51 from the recording medium identifier reading unit 120, and records corresponding to the ID. Acquires file information of an electronic file stored on a medium. Then, the database search unit 140 passes the acquired file information to the file list reference application 141.

Next, a specific example of data related to the electronic file management apparatus 100 will be described.
FIG. 5 is a diagram illustrating a configuration example of file information of an electronic file recorded in the database.

  The recording medium information 300 includes recording medium information corresponding to each recording medium. The recording medium information 300 includes a recording medium ID for indexing, protection information, change history, search information, recording medium position information, and the like. The recording medium ID is a unique value in the system recorded in the RFID tag. The change history and search information are provided for each electronic file, and are information that can be used as keywords for searching for the corresponding electronic file.

  The protect information is information for controlling access to the recording medium, and is composed of a protection type and authorized person information. The protection type is information indicating write protection, for example. The authorized person information is information on the owner of the recording medium whose protection type can be changed. For example, the authorized person information is an e-mail address of the owner for seeking permission of the owner.

  The change history stores change history information of an electronic file recorded on a recording medium, and includes a file ID, an update date, an original recording medium, a copy / moving recording medium, a state, owner information, and control permission information.

  The file ID is information for identifying the electronic file recorded on the recording medium, and is, for example, the file name of the electronic file. The update date / time is date information when the electronic file is generated, changed, or deleted. The original recording medium is information indicating which recording medium the electronic file originally was in, and when moved or copied, the ID of the recording medium as the movement source is recorded.

  When an electronic file is recorded on the recording medium for the first time, that is, when a file is generated, this information is the same as the recorded recording medium. The copy / move recording medium stores information of a destination recording medium when an electronic file recorded on the recording medium being referred to is moved to another recording medium.

  The state is a change state of the electronic file, for example, information related to change contents such as deletion, copying, and movement. The owner information stores information related to the creator of this file. The control permission information is policy information relating to the handling of the electronic file, and is information indicating, for example, whether transfer / copying is prohibited, deletion is prohibited, and owner permission is necessary.

  The search information is information for searching for an electronic file recorded on the recording medium, and includes a file ID, directory information, and search additional information. The file ID is the same as already described. The directory information indicates the path in the electronic file recording medium.

  The search additional information is information created by a user or an application in order to facilitate the search of the electronic file. For example, a keyword for facilitating file search is included, or a part of the file is imaged and recorded as a thumbnail.

  The electronic file management apparatus 100 having the functions and data as described above performs the following processing. Hereinafter, processing executed by the electronic file update unit 110, the recording medium identifier reading unit 120, and the database search unit 140 will be described in detail.

First, the process of writing or deleting an electronic file on the CD-RW by the electronic file update unit 110 will be described in detail.
FIG. 6 is a flowchart showing a processing procedure for writing or deleting an electronic file on the CD-RW. The processes shown in this flowchart are all processes performed by the electronic file update unit 110. In the following, the process illustrated in FIG. 6 will be described in order of step number.

  [Step S11] When an access request signal indicating writing or deletion of an electronic file to the CD-RW 24 is input, the recording medium identifier reading unit 120 reads the ID of the CD-RW 24 read from the RFID tag 24a and the ID. The access path of the corresponding database 51 is received from the recording medium identifier reading unit 120.

[Step S12] The protect information and the change history information are received from the designated area corresponding to the ID of the CD-RW 24 in the database 51 via the database operation unit 130.
[Step S13] Referring to the protection type of the received protect information, if access is permitted, the process proceeds to step S14, and if access is not permitted, the process ends.

[Step S14] The electronic data recorded on the CD-RW 24 is read.
[Step S15] When a change request instruction for the CD-RW 24 is input, preparation before change is performed. Preparation before change is, for example, file information reconstruction processing, and a determination is made as to whether or not the change is possible. Details of the reconstruction process will be described later (see FIG. 7).

[Step S16] If it is determined in step S15 that the change is possible, the process proceeds to step S17. If it is determined that the change is not possible, the process ends.
[Step S17] The electronic file is written to or deleted from the CD-RW 24 in accordance with the access request signal. The electronic file writing process includes a process of overwriting the original electronic file and a process of writing a new electronic file.

  [Step S18] In order to reflect the file information of the electronic file that has been written to or deleted from the CD-RW 24 in the database 51, the database operation unit 130 is informed of the area corresponding to the CD-RW 24 in the database 51. Instruct to change data. At this time, the electronic file update unit 110 acquires, as file information, properties (attribute information) added to the electronic file and information managed by the OS file management system (such as FAT (File Allocation Table)). . Then, the electronic file update unit 110 passes the acquired file information to the database operation unit 130 together with a data change instruction.

The database operation unit 130 performs an update operation of the database 51 in accordance with an instruction from the electronic file update unit 110.
Next, a process procedure for reconstructing file information in this preparation before change will be described.

  FIG. 7 is a flowchart showing a reconstruction procedure of file information recorded in the database. The processes shown in this flowchart are all processes performed by the electronic file update unit 110. In the following, the process illustrated in FIG. 7 will be described in order of step number.

[Step S21] The file information of the electronic file recorded from the CD-RW 24 is received.
[Step S22] The CD-RW 24 file information recorded in the database 51 received in step S12 of FIG. 6 is compared with the file information received in step S21.

[Step S23] If the comparison results in step S22 match, the process proceeds to step S24. If they do not match, the process proceeds to step S25.
[Step S24] In step S15 of FIG. 6, it is determined that the change is possible in response to the change request instruction to the CD-RW 24.

[Step S25] The user is notified that the compared file information does not match.
[Step S26] In order to correct this discrepancy, the user confirms whether the file information recorded in the database 51 can be overwritten with the file information of the CD-RW 24 to correct the discrepancy.

[Step S27] If the change is permitted, the process proceeds to step S24. If the change is not permitted, the process proceeds to step S28.
[Step S28] In response to the change request instruction for the CD-RW 24 in step S15 in FIG.

Next, a recording medium ID and database specifying process by the recording medium identifier reading unit 120 will be described.
FIG. 8 is a flowchart showing a processing procedure of the recording medium ID reading process and the database specifying process. The processes shown in this flowchart are all processes performed by the recording medium identifier reading unit 120. In the following, the process illustrated in FIG. 8 will be described in order of step number.

[Step S31] The RFID tag reader corresponding to the RFID tag 24a is controlled to read the ID of the CD-RW 24.
[Step S32] The access path to the database 51 is specified with reference to the data table in which the relationship between the ID of the CD-RW 24 and the access path to the database 51 corresponding to the ID is registered.

  FIG. 9 is a flowchart showing a processing procedure of data input / output processing with respect to the database performed by the database operation unit. In the following, the process illustrated in FIG. 9 will be described in order of step number.

[Step S41] When an update instruction for the database 51 is input, the process proceeds to step S42. When a reference instruction is input, the process proceeds to step S44.
[Step S42] When the access path to the database 51 identified from the ID of the CD-RW 24 read by the recording medium identifier reading unit 120 is received via the electronic file update unit 110, the database 51 is received via the received access path. And update the change history information according to the update instruction.

  Specifically, when a new electronic file is written on the CD-RW 24 by the electronic file update unit 110, the database operation unit 130 stores file information (change history and search information) corresponding to the electronic file in the database. Add to 51. Further, the database operation unit 130 updates the change history corresponding to the electronic file in the database 51 when the electronic file update unit 110 performs the overwrite update of the electronic file written in the CD-RW 24.

  Furthermore, when the electronic file written on the CD-RW 24 is deleted by the electronic file update unit 110, the database operation unit 130 deletes file information corresponding to the deleted electronic file in the database 51. The deletion process is a process of setting deletion information indicating that the corresponding electronic file has been deleted in the change history (changing the status to “deleted”).

  [Step S43] If link information (original recording medium, copy / moving recording medium) is set in the updated change history information, the information of the recording medium ID corresponding to the recording medium indicated by the link destination is referred to. The predetermined area of the database 51 is updated, and the process returns to step S42. When all the links are processed, the process is terminated.

  [Step S44] When the access path to the database 51 identified from the ID of the CD-RW 24 read by the recording medium identifier reading unit 120 is received via the electronic file update unit 110, communication is performed according to the access path, and the database 51 To read change history information and protect information.

Next, details of the search processing by the database search unit 140 will be described.
FIG. 10 is a flowchart illustrating a processing procedure of search processing. All the processes shown in this flowchart are processes performed by the database search unit 140. In the following, the process illustrated in FIG. 10 will be described in order of step number.

[Step S51] A search GUI (Graphical User Interface) is generated and output to the display device 11 for display.
[Step S52] If the search is a file search, the process proceeds to step S53. If the file information of the electronic file recorded on the CD-RW 24 is referred to, the process proceeds to step S56.

[Step S53] The database 51 is searched by the search method specified by the search GUI.
[Step S54] The search result is displayed on the search GUI displayed on the display device 11.

  [Step S55] When there is a request to display an electronic file recorded on the CD-RW 24 and the CD-RW 24 is not inserted in the drive, the recording medium position specifying device 40 stores the recording medium position information. The file information is sent and the position of the CD-RW 24 is specified.

[Step S56] The ID of the CD-RW 24 and the access path of the database 51 corresponding to the ID are acquired from the storage medium identifier reading unit 120.
[Step S57] Using the acquired access path of the database 51, the file information of the electronic data recorded on the CD-RW 24 is acquired from the database 51.

[Step S58] The search result is displayed on the search GUI displayed on the display device 11.
Hereinafter, assuming that the database corresponding to the ID of the CD-RW 24 is the database 51, the flow of the update process of the database 51 according to the update process of the electronic file in the CD-RW 24 by the electronic file management apparatus 100 will be described. To do.

FIG. 11 is a sequence diagram when writing an electronic file on the CD-RW. In the following, the process illustrated in FIG. 11 will be described in order of step number.
[Step S61] The electronic file update unit 110 activates the storage medium identifier reading unit 120 when an instruction to write an electronic file to the CD-RW 24 is input.

[Step S62] The recording medium identifier reading unit 120 acquires the ID of the CD-RW 24 from the RFID tag 24a.
[Step S63] The recording medium identifier reading unit 120 refers to the data table in which the relationship between the acquired ID of the CD-RW 24 and the access path to the corresponding database 51 is registered, and accesses the database 51. The path is specified, and the result is transmitted to the electronic file update unit 110.

  [Step S64] The electronic file update unit 110 transmits the access path to the database 51 specified by the recording medium identifier reading unit 120 in step S63 and the ID of the CD-RW 24 read from the RFID tag 24a to the database operation unit 130. .

  [Step S65] The database operation unit 130 uses the ID of the CD-RW 24 and the address path to the database 51 received from the recording medium identifier reading unit 120 via the electronic file update unit 110 and the database 51 to the CD- The protect information and the change history information in the file information of the electronic file recorded in the RW 24 are read.

  [Step S66] The database operation unit 130 transmits the protection information and change history information read from the database 51 in step S65 to the electronic file update unit 110.

  [Step S67] The electronic file update unit 110 refers to the protection information received from the database operation unit 130, confirms that it is not protected, and acquires the file information of the electronic file recorded on the CD-RW 24. Then, the change history information read from the database 51 in step S65 is compared with the file information of the electronic file recorded on the CD-RW 24. After confirming that the compared file information matches, the electronic file requested by the electronic data input / output application 111 is recorded on the CD-RW 24.

  [Step S <b> 68] The electronic file update unit 110 sends a CD to the database operation unit 130 in order to reflect the change in the file information accompanying the recording of the electronic file on the CD-RW 24 in the file information recorded in the database 51. -An instruction to update the file information of the electronic file recorded in the RW 24 is output.

[Step S69] The database operation unit 130 updates the corresponding file information in accordance with the file information update instruction received from the electronic file update unit 110.
In this way, file information related to the electronic file stored in the CD-RW 24 is stored in the database 51.

  The example of FIG. 11 is an example in which a new electronic file is recorded on the CD-RW, but the electronic file may be moved from the memory card 23 to the CD-RW 24. In this case, the file information stored in the database is updated in association with the IDs of the memory card 23 and the CD-RW 24.

  FIG. 12 is a sequence diagram showing processing of the electronic file management apparatus when the electronic file is moved from the flash memory to the CD-RW. In the following, the process illustrated in FIG. 12 will be described in order of step number.

  [Step S <b> 71] When an electronic file transfer instruction is input from the electronic data input / output application 111, the electronic file update unit 110 activates the recording medium identifier reading unit 120.

[Step S72] The recording medium identifier reading unit 120 reads out the respective IDs from the memory card 23 and the respective RFID tags 23a and 24a of the CD-RW 24.
[Step S73] The recording medium identifier reading unit 120 refers to the data table in which the relationship between each ID read in step S72 and the access path to the databases 51 and 52 corresponding to each ID is registered. , 52 are identified, and each ID and access path are transmitted to the electronic file update unit 110.

  [Step S74] The electronic file updating unit 110 uses the database operation unit 130 to obtain the IDs of the memory card 23 and the CD-RW 24 received from the recording medium identifier reading unit 120 and the access paths to the databases 51 and 52 corresponding to the IDs. Send to.

  [Step S75] The database operation unit 130 uses the access path to the databases 51 and 52 received from the recording medium identifier reading unit 120 via the electronic file update unit 110, and the respective protection information from the databases 51 and 52, Read change history information.

[Step S76] The database operation unit 130 transmits the protection information and the change history information read from the databases 51 and 52 to the electronic file update unit 110.
[Step S77] The electronic file update unit 110 refers to the protection information and the change history information received from the database operation unit 130, confirms that the electronic file update unit 110 is not protected, and then uses the memory card 23 and the CD-RW 24 to record each recording medium Get the file information of the electronic file recorded in. In step S75, the file information read from the databases 51 and 52 is compared with the file information of the electronic file recorded on the memory card 23 and the CD-RW 24. After confirming that the compared file information matches, a program for moving the electronic file requested by the electronic data input / output application 111 from the memory card 23 to the CD-RW 24 is executed.

  [Step S78] The electronic file update unit 110 uses the database 51, 52 to reflect the change in the file information accompanying the movement of the electronic file from the memory card 23 to the CD-RW 24 in the databases 51, 52 corresponding to the respective recording media. An instruction to update the file information of the electronic file recorded on the memory card 23 and the CD-RW 24 is output to the operation unit 130.

  [Step S79] The database operation unit 130 is recorded in the database 52 corresponding to the ID of the memory card 23 and the database 51 corresponding to the CD-RW 24 in accordance with the file information update instruction received from the electronic file update unit 110. Update the file information of the electronic file. Since the electronic file is moved from the memory card 23 to the CD-RW 24, the file information associated with the newly added electronic file is added to the database 51 corresponding to the ID of the CD-RW 24 that is the transfer destination recording medium. In the database 52 corresponding to the ID of the memory card 23 that is the recording medium of the transfer source, the data indicating the state of the file information is changed to the move delete in accordance with the deletion of the electronic file, and the copy / move is performed. The ID of the destination CD-RW 24 is recorded in the recording medium item. In the item of the state in the newly created file information of the CD-RW 24 that is the movement destination, movement generation is set, and the ID of the memory card 23 that is the movement source is recorded on the original recording medium.

FIG. 13 is a sequence diagram showing processing at the time of search of the electronic file management apparatus. In the following, the process illustrated in FIG. 13 will be described in order of step number.
[Step S81] The database search unit 140 generates a search GUI using the file list reference application 141. This search GUI is a GUI for displaying a corresponding electronic file when a search keyword is entered.

  [Step S82] Upon receiving a search instruction using the word “file A” as a search keyword, the database search unit 140 receives file information including the keyword “file A” from the database 51 (change history and search information in the recording medium information). The search result is edited and displayed on the GUI screen. The search result includes the recording medium ID of the recording medium information having the detected file information and the recording medium position information.

  [Step S83] When the recording medium search instruction is input, the database search unit 140 transmits the ID of the specified recording medium to the recording medium position specifying device 40 in accordance with the recording medium search instruction. Display the position.

FIG. 14 is a diagram showing a case where search results are displayed using a file list reference application.
In the present embodiment, a CD drive 101a, an RFID tag reader 102a, and a CD storage device 40a are connected to the electronic file management device 100c using a CD-RW 24 to which an RFID tag 24a is attached. The database 51 uses a database server on the network.

  The file list reference application 141 is an application that implements the present embodiment. The electronic file management apparatus 100c provides a GUI like the display screen example 310 shown in FIG. 14 using the file list reference application 141, and the CD-RW 24 recorded by the electronic file management apparatus 100c is displayed on the display screen. Display a list of electronic files.

  In the list of electronic files, the contents of the electronic files recorded on the recording medium are displayed for each ID of the recording medium. This list of electronic files is generated from the change history information 320 created when the electronic file management apparatus 100c changes the electronic file to the CD-RW 24 and the information in the database 51 storing the search information 330. The CD-RW 24 that has been accessed in the past can be browsed without actually inserting the CD-RW 24 into the CD drive 101a connected to the electronic file management apparatus 100c, and a desired file can be easily searched. Can be.

  In this case, when file information is recorded in the database 51 using the file list reference application 141, the identification of the host and the drive that has changed the recording medium is registered as search additional information as the search information 330. For example, when the host name is MYPC and the drive name is a CD drive, it is MYPC-CD drive. By identifying and searching this additional search information when searching the database 51, the host and the drive can be identified.

  In addition, by configuring the application to display history information of deleted or moved files, it is possible to avoid a situation where the location of the file cannot be determined due to an erroneous operation.

  Further, the remaining recording capacity of each recording medium is recorded and displayed. This is realized by registering the remaining recording capacity as additional search information. By managing the remaining recording capacity, it is possible to automatically select a recordable recording medium according to the capacity of a newly created file, and to effectively use the recording medium.

  Further, it is also possible to configure so that the corresponding recording medium can be specified from the CD storage device 40a by clicking the recording medium ID on the GUI screen. This can be realized by registering the recording medium position information of the CD storage device 40a as additional search information.

  Further, when a CD is stored in the CD storage device 40a, the application is configured to update the recording medium position information of the search condition by cooperating with the RFID tag reader, thereby storing the CD in an arbitrary storage position. It can also be configured as possible.

[Second Embodiment]
Next, a second embodiment will be described. In the second embodiment, an RFID tag is attached to the paper on which the contents of the electronic file are printed, and the electronic file body having the contents printed on the paper can be acquired based on the recording medium identifier recorded on the RFID tag. It is a thing.

FIG. 15 is a diagram illustrating a case where the electronic file body is referred to using paper on which the electronic file is printed.
In the present embodiment, paper 25 is used as a recording medium, and an RFID tag is added as a recording medium identifier storage unit to the paper 25 used as the recording medium. A person who has distributed a text on which the contents of the electronic file are printed on the paper 25 can access the electronic file on the file server 53 by referring to the ID of the paper 25 using an RFID tag reader. be able to.

  The electronic file management devices 100d and 100e shown in the present embodiment are configured with the same elements as the electronic file management device 100 of the first embodiment shown in FIG. However, the electronic file update unit 110 has a function of printing the contents of the electronic file to the printer in response to an instruction to print the contents of the electronic file by the electronic data input / output application 111. At that time, the electronic file update unit 110 associates the file information of the electronic file to be printed with the ID assigned to the printed paper 25 in the same manner as when the electronic file is recorded on the CD-RW 24. 51 is registered. The database search unit 140 has a function of acquiring the ID of the paper 25 in response to an electronic file acquisition request from the file list reference application 141 and acquiring the original electronic file 60 corresponding to the ID from the file server 53. ing.

  A printer 54 and an RFID tag reader 102b are connected to the electronic file management apparatus 100d. The original electronic file 60 printed on the paper 25 is stored in the file server 53, and the database 51 uses a database server on the network 30.

  The distributor of the material refers to the original electronic file 60 stored in the file server 53 and prints the content of the original electronic file 60 using the printer 54. At this time, the contents of the database 51 are updated by the electronic file management apparatus 100d.

  That is, the change history in the file information of the original electronic file 60 stored in the HDD of the file server 53, which is the recording medium storing the original electronic file 60, is registered in the database 51, and the original electronic file 60 is printed. As a result, the contents of the history are changed. That is, DOC00001 which is the ID of the paper 25 is set in the item indicating the copy / moving recording medium provided in the file information of the original electronic file 60 in the database 51, and the data indicating the state is changed to copy.

  In addition, the history of the original electronic file 60 is added to the printed paper 25 that is the recording medium of the copy destination. That is, the information of the electronic file stored in HD00001 is copied, the original medium of the file information is set to HD00001, and the status is set to copy generation. Further, the path to the original electronic file 60 is set in the search information of each recording medium.

  When the distributor hands over the material to the referrer and the referrer reads the RFID tag 25a of the material from another electronic file management apparatus 100e, the change history information 340, 350 from the database 51 is read using the mechanism of the present invention. Search information 360 and 370 are read. Since the path to the original electronic file 60 is set as the search information 360, it is possible to access the original electronic file 60 based on this path.

  In addition, by setting owner information in the change history information 340 and setting information indicating that permission is required in the control permission information, before the file list reference application 141 is notified of the path to the original electronic file 60. In addition, the file list reference application 141 can be configured to ask the owner of the original electronic file 60 for permission.

[Other application examples]
In addition, in the future, if all paper is manufactured with RFID tags or equivalent technology, for example, special materials that return a unique identification, the document disposal device, copier, or materials should be taken out. By incorporating the function of the present invention into the monitoring gateway device, it is possible to realize strict management of confidential documents.

  The above processing functions can be realized by a computer. In that case, an electronic file management program describing the processing contents of the functions that the electronic file management apparatus should have is provided. By executing the electronic file management program on a computer, the above processing functions are realized on the computer. The electronic file management program describing the processing contents can be recorded on a computer-readable recording medium. Examples of computer-readable recording media include HDDs, FDs, and magnetic tapes as magnetic recording devices. Examples of the optical disc include a DVD (Digital Versatile Disc), a DVD-RAM, a CD-ROM (Read Only Memory), and a CD-R (Recordable) / RW. Examples of the magneto-optical recording device include an MO (Magneto Optical disk).

  When the electronic file management program is distributed, for example, portable recording media such as DVDs and CD-ROMs on which the electronic file management program is recorded are sold. It is also possible to store the program in a storage device of a server computer and transfer the electronic file management program from the server computer to another computer via a network.

  A computer that executes an electronic file management program stores, for example, an electronic file management program recorded on a portable recording medium or an electronic file management program transferred from a server computer in its own storage device. Then, the computer reads the electronic file management program from its own storage device, and executes processing according to the electronic file management program. The computer can also read the electronic file management program directly from the portable recording medium and execute processing according to the electronic file management program. The computer can also sequentially execute processing according to the received electronic file management program every time the electronic file management program is transferred from the server computer.

(Additional remark 1) In the electronic file management apparatus which manages the electronic file recorded on the removable recording medium which has the recording medium identifier memory | storage means in which the recording medium identifier for uniquely identifying a recording medium is memorize | stored,
When an instruction to add an electronic file to the recording medium is input, an electronic file adding unit that adds an electronic file to the recording medium according to the addition instruction;
A recording medium identifier reading means for reading the recording medium identifier from the recording medium identifier storage means of the recording medium to which the electronic file has been added by the electronic file adding means;
Database operation means for recording in the database file information including keywords related to the electronic file recorded on the recording medium in association with the recording medium identifier read by the recording medium identifier reading means;
An electronic file management apparatus comprising:

(Supplementary Note 2) When an instruction to delete the electronic file from the recording medium is input, the electronic file deleting unit deletes the electronic file from the recording medium according to the deletion instruction.
The recording medium identifier reading unit reads the recording medium identifier from the recording medium identifier storage unit of the recording medium from which the electronic file has been deleted by the electronic file deleting unit,
The electronic file management according to appendix 1, wherein the database operation means performs a process of deleting file information recorded in the database in association with the recording medium identifier read by the recording medium identifier reading means. apparatus.

  (Additional remark 3) The said database operation means sets the information which shows that the corresponding electronic file was deleted with respect to file information as deletion processing of file information, The electronic file management of Additional remark 2 characterized by the above-mentioned apparatus.

(Additional remark 4) The relationship between the recording medium identifier of the recording medium and the access path to the database corresponding to the recording medium identifier is referred to and read by the recording medium identifier reading unit Database specifying means for specifying an access path to the database corresponding to the recording medium identifier;
The electronic file management apparatus according to appendix 1, wherein the database operation means accesses the database via the access path specified by the database specification means and records file information.

  (Supplementary note 5) The electronic file management apparatus according to supplementary note 1, wherein the file information of the electronic file includes position information indicating a storage location of the recording medium.

  (Supplementary note 6) The electronic file management apparatus according to supplementary note 1, further comprising database retrieval means for retrieving file information including a keyword matching the search keyword from the database when a search keyword is input.

(Supplementary note 7) The file information of the electronic file includes position information indicating a storage location of the recording medium,
The electronic file management apparatus according to appendix 6, further comprising recording medium specifying means for acquiring position information of the recording medium from file information of the electronic file searched by the database searching means and displaying a storage location of the recording medium. .

(Appendix 8) The database is provided in a remote device connected via a network,
The electronic file management apparatus according to appendix 1, wherein the database operation means accesses the remote apparatus via the network and records the file information in the database.

(Additional remark 9) In the electronic file management apparatus which manages the electronic file recorded on the removable recording medium which has the recording medium identifier memory | storage means in which the recording medium identifier for uniquely identifying a recording medium is memorize | stored,
For each of the recording medium identifiers read by the recording medium identifier reading means, when a restructuring instruction is input to a database in which file information including keywords related to electronic files recorded on the recording medium is input, File information reading means for reading file information of all electronic files stored in the recording medium according to a construction instruction;
Recording medium identifier reading means for reading the recording medium identifier stored in the recording medium identifier storage means of the recording medium from which file information has been read by the file information reading means;
Database reconstructing means for updating file information corresponding to the recording medium identifier recorded in the database based on the file information read by the file information reading means;
An electronic file management apparatus comprising:

(Supplementary Note 10) The database reconstruction means
Database information reading means for reading all file information corresponding to the recording medium identifier from the database;
File information comparing means for comparing the file information read by the database information reading means with the file information read by the file information reading means;
When there is a difference in the file information compared by the file information comparing means, the file information of the electronic file read by the database information reading means is overwritten with the file information of the electronic file read by the file information reading means. File information overwriting means,
The electronic file management device according to appendix 9, characterized by comprising:

(Supplementary Note 11) In an electronic file management method for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage unit in which a recording medium identifier for uniquely identifying the recording medium is stored.
When the electronic file adding means inputs an instruction to add an electronic file to the recording medium, an electronic file adding step of adding an electronic file to the recording medium according to the adding instruction;
A recording medium identifier reading unit that reads the recording medium identifier from the recording medium identifier storage unit of the recording medium to which the electronic file is added by the electronic file adding unit in the electronic file adding step; ,
A database operation step in which database operation means records file information including keywords related to the electronic file recorded on the recording medium in a database in association with the recording medium identifier read in the recording medium identifier reading step; ,
An electronic file management method comprising:

(Additional remark 12) In the electronic file management method which manages the electronic file recorded on the removable recording medium which has the recording medium identifier memory | storage means in which the recording medium identifier for uniquely identifying a recording medium is memorize | stored,
Reconstructing the database in which the database operation unit records file information including keywords related to the electronic file recorded on the recording medium by the database operation unit for each recording medium identifier read by the recording medium identifier reading unit. When an instruction is input, according to the reconstruction instruction, a file information reading step of reading file information of all electronic files stored in the recording medium;
A recording medium identifier reading unit that reads the recording medium identifier stored in the recording medium identifier storage unit of the recording medium from which the file information is read by the file information reading step;
A database restructuring step in which the database operating means updates file information corresponding to the recording medium identifier recorded in the database based on the file information read in the file information reading step;
An electronic file management method comprising:

(Additional remark 13) In the electronic file management program which manages the electronic file recorded on the removable recording medium which has the recording medium identifier memory | storage means in which the recording medium identifier for uniquely identifying a recording medium is memorize | stored,
On the computer,
When an electronic file addition instruction is input to the electronic file adding means, an electronic file adding step of adding an electronic file to the recording medium according to the addition instruction;
A recording medium identifier reading unit that reads the recording medium identifier from the recording medium identifier storage unit of the recording medium to which the electronic file is added by the electronic file adding unit in the electronic file adding step; ,
A database operation step in which database operation means records file information including a keyword related to the electronic file recorded on the recording medium in a database in association with the recording medium identifier read in the recording medium identifier reading step; ,
An electronic file management program characterized in that

(Supplementary note 14) In an electronic file management program for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage means in which a recording medium identifier for uniquely identifying the recording medium is stored.
On the computer,
Reconstructing the database in which the database operation unit records file information including keywords related to the electronic file recorded on the recording medium by the database operation unit for each recording medium identifier read by the recording medium identifier reading unit. When an instruction is input, according to the reconstruction instruction, a file information reading step of reading file information of all electronic files stored in the recording medium;
A recording medium identifier reading unit that reads the recording medium identifier stored in the recording medium identifier storage unit of the recording medium from which the file information is read by the file information reading step;
A database restructuring step in which the database operating means updates file information corresponding to the recording medium identifier recorded in the database based on the file information read in the file information reading step;
An electronic file management program characterized in that

(Supplementary note 15) A record in which an electronic file management program for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage unit storing a recording medium identifier for uniquely identifying the recording medium is recorded In the medium,
On the computer,
When the electronic file adding means inputs an instruction to add an electronic file to the recording medium, an electronic file adding step of adding an electronic file to the recording medium according to the adding instruction;
A recording medium identifier reading unit that reads the recording medium identifier from the recording medium identifier storage unit of the recording medium to which the electronic file is added by the electronic file adding unit in the electronic file adding step; ,
A database operation step in which database operation means records file information including keywords related to the electronic file recorded on the recording medium in a database in association with the recording medium identifier read in the recording medium identifier reading step; ,
A recording medium on which an electronic file management program is recorded.

(Supplementary Note 16) A record in which an electronic file management program for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage unit storing a recording medium identifier for uniquely identifying the recording medium is recorded In the medium,
On the computer,
Reconstructing the database in which the database operation unit records file information including keywords related to the electronic file recorded on the recording medium by the database operation unit for each recording medium identifier read by the recording medium identifier reading unit. When an instruction is input, according to the reconstruction instruction, a file information reading step of reading file information of all electronic files stored in the recording medium;
A recording medium identifier reading unit that reads the recording medium identifier stored in the recording medium identifier storage unit of the recording medium from which the file information is read by the file information reading step;
A database restructuring step in which the database operating means updates file information corresponding to the recording medium identifier recorded in the database based on the file information read in the file information reading step;
A recording medium on which an electronic file management program is recorded.

It is a conceptual diagram of the invention applied to embodiment. It is a figure which shows the system configuration example which concerns on embodiment. It is a figure which shows the hardware structural example which concerns on embodiment of this invention. It is a figure which shows the processing function of an electronic file processing apparatus. It is a figure which shows the structural example of the file information of the electronic file currently recorded on the database. It is a flowchart which shows the process sequence of the write-in or deletion process of the electronic file to CD-RW. It is a flowchart which shows the reconstruction procedure of the file information currently recorded on the database. It is a flowchart which shows the process sequence of the reading process of ID of a recording medium, and the specific process of a database. It is a flowchart which shows the process sequence of the input / output process of the data with respect to a database which a database operation part performs. It is a flowchart which shows the process sequence of a search process. It is a sequence diagram at the time of writing an electronic file in CD-RW. It is a sequence diagram which shows the process of the electronic file management apparatus at the time of moving an electronic file from flash memory to CD-RW. It is the sequence diagram which showed the process at the time of the search of an electronic file management apparatus. It is the figure which showed the case where a search result is displayed using a file list reference application. It is the figure which showed the case where the electronic file main body was referred using the paper on which the electronic file was printed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electronic file management apparatus 1a Electronic file addition means 1b Recording medium identifier reading means 1c Database operation means 2 Recording medium 2a Recording medium identifier storage means 3 Database

Claims (5)

In an electronic file management apparatus for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage means in which a recording medium identifier for uniquely identifying the recording medium is stored.
When an instruction to add an electronic file to the recording medium is input, an electronic file adding unit that adds an electronic file to the recording medium according to the addition instruction;
A recording medium identifier reading means for reading the recording medium identifier from the recording medium identifier storage means of the recording medium to which the electronic file has been added by the electronic file adding means;
Database operation means for recording in the database file information including keywords related to the electronic file recorded on the recording medium in association with the recording medium identifier read by the recording medium identifier reading means;
An electronic file management apparatus comprising: When an electronic file deletion instruction for the recording medium is input, electronic file deletion means for deleting the electronic file from the recording medium according to the deletion instruction,
The recording medium identifier reading unit reads the recording medium identifier from the recording medium identifier storage unit of the recording medium from which the electronic file has been deleted by the electronic file deleting unit,
2. The electronic file according to claim 1, wherein the database operation means performs a process of deleting file information recorded in the database in association with the recording medium identifier read by the recording medium identifier reading means. Management device. The recording medium identifier read by the recording medium identifier reading means with reference to a data table in which the relationship between the recording medium identifier of the recording medium and the access path to the database corresponding to the recording medium identifier is registered A database specifying means for specifying an access path to the database corresponding to
2. The electronic file management apparatus according to claim 1, wherein the database operating means accesses the database via the access path specified by the database specifying means and records file information.   2. The electronic file management apparatus according to claim 1, further comprising database search means for searching file information including a keyword that matches the search keyword from the database when a search keyword is input. In an electronic file management apparatus for managing an electronic file recorded on a removable recording medium having a recording medium identifier storage means in which a recording medium identifier for uniquely identifying the recording medium is stored.
For each of the recording medium identifiers read by the recording medium identifier reading means, when a restructuring instruction is input to a database in which file information including keywords related to electronic files recorded on the recording medium is input, File information reading means for reading file information of all electronic files stored in the recording medium according to a construction instruction;
Recording medium identifier reading means for reading the recording medium identifier stored in the recording medium identifier storage means of the recording medium from which file information has been read by the file information reading means;
Database reconstructing means for updating file information corresponding to the recording medium identifier recorded in the database based on the file information read by the file information reading means;
An electronic file management apparatus comprising:

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