JP2008219375A - Mobile terminal data management device and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a risk of a data loss upon failure of a mobile phone as well as reducing a risk of information leakage when losing a mobile phone. <P>SOLUTION: A data management device of a mobile terminal 100 includes a storage section 19 which records a data group 24 of the mobile terminal 100, a communication section 23 which obtains the current position of the mobile phone by communicating with a GPS satellite and besides performs communication of the data group 24 between the mobile phone and an external server, a position information decision section 12 which decides whether the current position is contained in a given region or not, and a controller 10 which controls accessibility to the data group 24 depending on the results decided by the position information decision section 12 and the communication of the data group 24 with the external server. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a mobile terminal data management apparatus and method, and more particularly, to a mobile terminal data management apparatus and method using location information of a mobile terminal.

  Since a lot of data related to personal information such as a phone book, mail, and schedule is stored in the mobile terminal, there is a risk that the personal information may be leaked if the mobile terminal is lost. In addition, since a large amount of data can be stored as the capacity of the storage element of the mobile terminal increases, there is a risk that a large amount of data may be lost if the mobile terminal fails.

  In a conventional portable terminal, data is retained even when the power is turned off, so that data such as a phone book, mail, and schedule handled in the portable terminal are recorded in a nonvolatile memory or the like in the portable terminal.

  In order to prevent information leakage, when a user uses data in a portable terminal, a security technique is used such as giving the user an access right to the data by inputting a password.

  Patent Document 1 discloses a technique for recording and holding mobile terminal data in an external Web server. In Patent Document 2, the behavior of a mobile terminal user matches the schedule recorded in the mobile terminal in advance. A technique for determining whether or not to perform a security function is disclosed.

JP 2005-175676 A JP 2006-352561 A

  When data is recorded in a non-volatile memory as in the past, there is a risk of information leaking when the mobile terminal is lost.

  In addition, the risk of losing data in the event of a mobile terminal failure cannot be avoided simply by restricting data access with a password.

  With the technique disclosed in Patent Document 1, the risk of data loss when a mobile terminal fails can be reduced, but information leakage when the mobile terminal is lost cannot be prevented.

  Although the technology disclosed in Patent Document 2 can prevent information leakage when a mobile terminal is lost, it cannot prevent data loss at the time of failure.

  Accordingly, an object of the present invention is to prevent information leakage when a mobile terminal is lost and to reduce the risk of information loss at the time of failure.

  A portable terminal data management device according to a first aspect of the present invention includes a storage unit that records data of a portable terminal, communicates with a GPS satellite, acquires the current position of the portable terminal, and transmits the data to the portable terminal. A communication unit that transmits and receives to / from an external server, a first determination unit that determines whether or not the current position is included in a predetermined area, and the data according to a determination result of the first determination unit And a control unit that controls whether access to the data and transmission / reception of the data to / from an external server are included.

  The mobile terminal data management method according to the second aspect of the present invention includes: (a) a step of accepting access to data of the mobile terminal; (b) a step of acquiring a current position of the mobile terminal; And a step of determining whether or not the current position is included in the predetermined area, wherein the determination step (c) determines that the current position is included in the predetermined area. (D) receiving the data from an external server; and (e) permitting access to the data; otherwise, (f) accessing the data A step of prohibiting access; and (g) transmitting the data to an external server.

  The mobile terminal data management device according to the first embodiment further includes a clock that measures the current time, and a second determination unit that determines whether or not the current time is included in a predetermined time zone, The control unit is configured to control whether to access the data and transmission / reception of the data to / from an external server according to the determination results of the first and second determination units.

  In the mobile terminal data management device according to the second development form, the control unit is further recorded in the storage unit according to the determination result of the first determination unit or the first and second determination units. It is configured to erase the data.

  The portable terminal data management apparatus according to a third development mode is characterized in that the storage unit is a volatile memory or a nonvolatile memory.

  The mobile terminal data management method according to the fourth embodiment further includes (h) a step of measuring a current time, and (i) a step of determining whether or not the current time is included in a predetermined time zone. When the determination step (c) determines that the current position is included in a predetermined area, and the determination step (i) determines that the current time is included in a predetermined time zone, the reception It includes a step (d) and the access permission step (e), and otherwise includes the access prohibition step (f) and the transmission step (g).

  The mobile terminal data management method according to a fifth development mode is characterized by further comprising (j) a step of deleting the data after the transmission step (g).

  With the mobile terminal data management apparatus and method according to the embodiment of the present invention, the risk of information leakage when the mobile terminal is lost can be reduced, and the risk of data loss due to a failure of the mobile terminal can be reduced.

  1 and 2, the portable terminal data management device according to the embodiment of the present invention stores data of portable terminal 100 in a storage device outside portable terminal 100 and controls access to these data. To improve security.

  Data (20, 21, 22) such as a phone book, mail, and schedule handled in the portable terminal 100 is stored in, for example, the Web server 120 with reference to FIG. The data stored on the Web server 120 is downloaded only when the user of the mobile terminal 100 uses the mobile terminal 100 in a specific place or a specific time zone set in advance, and the user refers to the mobile terminal 100. Is possible.

  The mobile terminal 100 periodically acquires position information and time information, and when the user moves from the inside of the designated area to the outside due to movement (see FIG. 3) or when a predetermined time zone elapses. Access to data in the portable terminal 100 is prohibited. Thereafter, the data in the mobile terminal 100 is registered / updated in the Web server 120 and the data is deleted from the mobile terminal 100.

  In the mobile terminal data management device according to the above embodiment, for example, when the company phone book data is set so that it can be accessed only within the company, the mobile terminal 100 is lost outside the company. In addition, it is possible to reduce the risk of leakage of company phone book data from the mobile terminal 100.

  In addition, as an example of controlling the access right using time information, a time zone in which data in the mobile terminal 100 can be accessed is set in advance as a working time zone, and the mobile terminal 100 can be accessed in addition to the working time zone. When accessing data, by performing password authentication, it is possible to improve security by imposing access restrictions in a time zone other than the designated time zone.

  Furthermore, by storing the data in the mobile terminal 100 outside the mobile terminal 100 (for example, the Web server 120), even if the mobile terminal 100 breaks down, the data can be easily recovered. Can reduce the risk of loss.

  In addition, it is preferable that a plurality of designated areas shown in FIGS. 2 and 3 where the user can access the data of the mobile terminal 100 can be designated.

  At this time, data (phone book, mail, schedule, etc.) handled in the portable terminal 100 can be separately registered for each designated area and stored in the Web server 120.

  Accordingly, accessible data in the mobile terminal 100 is distinguished according to the place of use of the mobile terminal 100, such as accessing public (work) data in the company and accessing private data in the home. It is preferable that it is possible.

  The configuration of the mobile terminal data management apparatus according to the embodiment of the present invention will be described in more detail with reference to FIG.

  The mobile terminal 100 includes an operation unit 11, a position information determination unit 12, a telephone directory function unit 13, a mailer function unit 14, and a scheduler function unit 15, and a communication unit 23 including an antenna 17 and a wireless communication control unit 19 and a telephone book. A storage unit 19 for recording data 20, mail data 21, and schedule data 22 is provided. The phone book data 20, mail data 21, and schedule data 22 recorded in the storage unit 19 are referred to as a data group 24.

  The control unit 10 controls each unit in the apparatus.

  The operation unit 11 acquires the input information input by the user and passes it to the control unit 10, and the control unit 10 notifies the input information to each function unit (13, 14, 15) according to the situation.

  When an operation is performed while the telephone directory, mailer, or scheduler function (13, 14, 15) is activated, the operation unit 11 passes input information to the control unit 10, and the control unit 10 The input information is notified to the telephone book function unit 13, the mailer function unit 14, or the scheduler function unit 15 which realize the function.

  The position information determination unit 12 determines whether or not the current position is within the designated area based on the information on the current position of the mobile terminal 100 acquired from the GPS satellite (130 in FIG. 2).

  The phone book function unit 13 performs processing related to the phone book data 20 such as registration, deletion or editing of the phone book.

  The phone book data 20 is recorded in the storage unit 19, and the phone book function unit 13 reads information of the phone book data 20 and performs processing such as registration, editing, and deletion.

  The mailer function unit 14 performs processing related to the mail data 21 such as creation of new mail, deletion of transmitted / received mail, and reading of transmitted / received mail.

  The mail data 21 is recorded in the storage unit 19, and the mailer function unit 14 reads the mail data 21 and performs processing such as new creation and deletion.

  The scheduler function unit 15 performs processing related to the schedule data 22 such as schedule registration, editing, and deletion.

  The schedule data 22 is recorded in the storage unit 19, and the scheduler function unit 15 reads the information of the schedule data 22, and performs processing such as registration, editing, and deletion.

  The display unit 16 displays a phone book, mail, or scheduler.

  The communication unit 23 includes an antenna 17 and a wireless communication control unit 18.

  The wireless communication control unit 18 performs wireless communication with the base station 110 or the GPS satellite 130 via the antenna 17 to transmit and receive data.

  The storage unit 19 records and holds various information. In particular, the storage unit 19 records and holds the phone book data 20, mail data 21, and schedule data 22 (data group 24).

  The storage unit 19 is preferably a volatile memory.

  When the storage unit 19 is a volatile memory, all of the above data stored in the storage unit 19 is erased by turning off the power of the mobile terminal 100.

  In addition, the memory | storage part 19 in said embodiment may be a non-volatile memory.

  The operation of the mobile terminal data management apparatus according to the embodiment of the present invention will be described with reference to FIG. 2 and FIG.

  Referring to FIG. 2, the portable terminal data management device controls the access right to the data group 24 using the current position information acquired by the GPS satellite 130.

  Only when the current position of the mobile terminal 100 is within a designated area designated in advance, the data group 24 can be downloaded from the Web server 120 and accessed.

  FIG. 2 shows a state when the mobile terminal 100 moves from outside the designated area to the inside, and FIG. 3 shows a state when the mobile terminal 100 moves from inside the designated area to the outside.

  With reference to FIG. 2, the mobile terminal data management apparatus according to the embodiment of the present invention stores the data group 24 in the mobile terminal 100 in the Web server 120 connected to the network 140.

  In addition, referring to FIG. 2, the mobile terminal 100 periodically communicates with the GPS satellite 130 to acquire current position information.

  When the mobile terminal 100 moves from the outside of the designated area to the inside and the current position information also moves from the outside of the designated area to the designated area, the mobile terminal 100 automatically communicates with the base station 110 on the Web server 120 The data group 24 is downloaded to the portable terminal 100, and the data group 24 is made accessible to the user.

  When the current position information acquired from the GPS satellite 130 is included in the designated area, the user can freely access the data group 24 recorded in the storage unit 19 of the mobile terminal 100.

  However, as shown in FIG. 3, when the mobile terminal 100 moves from the inside of the designated area to the outside and the current position information periodically acquired from the GPS satellite 130 also moves from the inside of the designated area to the outside, The user's access authority to the data group 24 in the portable terminal 100 is invalidated.

  Further, in this case, after the data group 24 stored in the mobile terminal 100 is transmitted to the Web server 120 and the data group 24 on the Web server 120 is updated, the data group 24 stored in the mobile terminal 100 is deleted. To do.

  The operation of the mobile terminal data management apparatus according to the embodiment of the present invention will be described based on the flowchart of FIG.

  When the user activates the telephone directory function unit 13, the mailer function unit 14, and the scheduler function unit 15, an access request to the data group 24 recorded in the storage unit 19 of the portable terminal 100 is generated (step S1), and control is performed. The unit 10 requests the position information determination unit 12 to determine the current position information.

  The position information determination unit 12 acquires current position information from the GPS satellite 130, and determines whether or not the current position of the mobile terminal 100 is within the designated area (step S2).

  When it is determined that the current position information is within the designated area (step S2), the user's access to the data in the portable terminal 100 is permitted (step S3).

  After permitting access (step S3), it is determined whether the data requested by the user is stored in the storage unit 19 of the portable terminal 100 (step S4).

  When it is determined that the requested data is recorded in the storage unit 19 (step S4), the user can use the data group 24.

  When it is determined that the requested data is not recorded in the storage unit 19 (step S4), the data group 24 is obtained by downloading from the web server 120 (step S5), and the user uses the data group 24. Is possible.

  While using the phone book function unit 13, mailer function unit 14, or scheduler function unit 15 that accesses data in the mobile terminal 100, position information is periodically acquired from the GPS satellite 130, and the position of the mobile terminal is determined. It is determined whether or not it is included in the designated area (step S2).

  When it is determined that the current position information is outside the designated area (step S2), access to the data group 24 in the portable terminal 100 is prohibited (step S6).

  After the access is prohibited (step S6), it is determined whether or not the data group 24 is recorded in the storage unit 19 (step S7).

  If it is determined that the data group 24 is not stored in the storage unit 19 (step S7), the telephone book function unit 13, the mailer function unit 14, or the scheduler function unit 15 cannot be used due to the notification of inaccessibility (step S10). It informs the user that it is finished.

  On the other hand, when access to the data group 24 of the storage unit 19 is prohibited (step S6) and it is determined that information is stored in the mobile terminal (step S7), the data group stored in the storage unit 19 24 is transmitted to the web server 120, and the data group 24 recorded in the web server 120 is updated (step S8). Further, the data group 24 recorded in the storage unit 19 is deleted (step S9), the user is notified of the inaccessibility (step S10), and the telephone book function unit 13, mailer function unit 14 or scheduler function unit 15 is notified. Let the user know that is not available and exit.

  As described above, the mobile terminal data management device of the present invention has the following effects.

  The first effect is that a data group (phone book data, mail data, schedule data, etc.) in the mobile terminal is managed by the Web server, and the data group is deleted from the mobile terminal when there is no access right. Therefore, information leakage from the mobile terminal can be suppressed when the mobile terminal is lost.

  The second effect is that since the data group in the mobile terminal is managed by the server, the data group can be recovered when the mobile terminal fails.

  The third effect is that the access right to the data group in the mobile terminal is managed using the location information, so that information leakage caused by being taken outside the place where the mobile terminal is normally used is suppressed. It is possible to do.

  In the mobile terminal data management device according to the above-described embodiment, when access to the data group 24 in the mobile terminal 100 is requested, the determination using the position information of the mobile terminal 100 is performed. Other authentication methods may be combined.

  For example, when the determination based on the position information is valid (for example, the current position of the mobile terminal 100 is within a designated area designated by the user in advance), the mobile terminal is requested only for password authentication and the password authentication is successful. A method may be employed in which 100 data groups 24 are downloaded from the Web server 120 and can be accessed.

  Alternatively, a method may be used in which an access time zone is set in advance and access rights are controlled according to the time zone.

  Furthermore, in the present invention, a plurality of places (designated areas) where the data group 24 in the portable terminal 100 can be accessed may be set.

  Further, a function of storing different data recorded in the mobile terminal may be added corresponding to the plurality of designated areas.

  In the embodiments and figures of the present invention, the telephone book data 20, the mail data 21, and the schedule data 22 recorded in the storage unit 19 of the portable terminal 100 are cited as data managed on the Web server 120. The data stored on the Web server 120 handled in the present invention is not limited to these, and data in the portable terminal other than these may be included in the data managed on the Web server 120.

  Functions such as a phone book, e-mail, scheduler, etc. in mobile terminals that can acquire the current position such as mobile phone terminals, PHS (Personal Handyphone System), PDA (Personal Data Assistant, Personal Digital Assistants) The data management apparatus and method according to the present invention can be used when setting an access restriction for a file.

It is a block diagram of the portable terminal data management apparatus which concerns on embodiment of this invention. It is a figure for demonstrating operation | movement of the portable terminal data management apparatus which concerns on embodiment of this invention. It is a figure for demonstrating operation | movement of the portable terminal data management apparatus which concerns on embodiment of this invention. It is a flowchart of operation | movement of the portable terminal data management apparatus which concerns on embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Control part 11 Operation part 12 Location information determination part 13 Telephone book function part 14 Mailer function part 15 Scheduler function part 16 Display part 17 Antenna 18 Wireless communication control part 19 Storage part 20 Telephone book data 21 Mail data 22 Schedule data 23 Communication part 24 data group 100 mobile terminal 110 base station 120 Web server 130 GPS satellite 140 network

Claims (7)

A storage unit for recording data of the mobile terminal;
A communication unit that communicates with a GPS satellite to acquire the current position of the mobile terminal and transmits and receives the data between the mobile terminal and an external server;
A first determination unit for determining whether or not the current position is included in a predetermined area;
A portable terminal data management device comprising: a control unit that controls whether to access the data and transmission / reception of the data to / from an external server according to a determination result of the first determination unit. A clock that measures the current time,
A second determination unit that determines whether or not the current time is included in a predetermined time zone,
The control unit is configured to control whether to access the data and transmission / reception of the data to / from an external server according to determination results of the first and second determination units. The portable terminal data management device according to claim 1.   The control unit is configured to further erase the data recorded in the storage unit according to a determination result of the first determination unit or the first and second determination units. The portable terminal data management device according to claim 1 or 2.   The portable terminal data management device according to claim 1, wherein the storage unit is a volatile memory or a nonvolatile memory. (A) accepting access to data on the mobile terminal;
(B) obtaining a current position of the mobile terminal;
(C) a step of determining whether or not the current position is included in a predetermined area, and a mobile terminal data management method comprising:
When it is determined in the determination step (c) that the current position is included in a predetermined area,
(D) receiving the data from an external server;
(E) further comprising the step of permitting access to the data,
Otherwise,
(F) prohibiting access to the data;
(G) The method further includes the step of transmitting the data to an external server. (H) measuring the current time;
(I) determining whether or not the current time is included in a predetermined time zone, and determining in the determination step (c) that the current position is included in a predetermined region; and When it is determined in the determination step (i) that the current time is included in a predetermined time zone, the reception step (d) and the access permission step (e) are included. In other cases, The mobile terminal data management method according to claim 5, comprising the access prohibition step (f) and the transmission step (g). After the transmission step (g),
(J) The mobile terminal data management method according to claim 5 or 6, further comprising a step of erasing the data.

Images