JP2009177390A - Communicating system, mobile terminal, and personal information control method of mobile terminal, program, and recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication system enhanced in security and convenience, a mobile terminal, a personal information control method of the mobile terminal, a program, and a recording medium. <P>SOLUTION: The communication system including the mobile terminal and a base station side communication apparatus for relaying the one mobile terminal and the other mobile terminal is characterized in that the mobile terminal includes a volatile memory for temporarily storing personal information and the base station side communication apparatus includes a server for backup of the personal information from the mobile terminal. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a communication system, a portable terminal, a personal information control method for a portable terminal, a program, and a recording medium.

  A phone book is an example of data for identifying an individual in personal information built into a mobile phone. In recent mobile phone directories, not only one phone number but also a plurality of phone numbers, a plurality of e-mail addresses, addresses, and birth dates can be added.

As a technique related to this type of telephone directory, there is a technique related to the security of a mobile phone as disclosed in Patent Documents 1 to 3.
FIG. 6 is a block diagram of a mobile phone related to the present invention.
Referring to FIG. 6, the mobile phone terminal includes a control unit 21, a memory unit 22, an antenna unit 23, a radio unit 24, a display unit 25, an input unit 26, an acoustic unit 27, a speaker unit 28, and a vibration unit 29. Yes.

  The control unit 21 of the mobile phone stores user data that stores a degree of security indicating the degree of security of the communication partner together with a part or all of the personal information such as the name, telephone number, and e-mail address of the communication partner. User data setting means to be set to the personal information, and when the call from the mobile phone terminal is made, the name or telephone number or e-mail address of the communication partner that is the destination is obtained as personal information from the outgoing information, A transmission history storage means for acquiring a security level of a matching communication partner by searching for user data and storing transmission history data in which a security level flag corresponding to the security level is added to a transmission history in a memory unit; Met.

  The information management method disclosed in Patent Document 2 is normal when each user accesses a server via the Internet using communication means, and the server confirms whether the user of the communication means is normal. A second step of permitting access only and transmitting information necessary for information registration, information call, and information addition / modification to each user, and a third step in which each user selects one of the information; The server includes a fourth process for executing processing corresponding to the selected information, and operates as follows.

  When each user accesses the server via the Internet using communication means, the server checks whether or not the user of the communication means is legitimate, and permits access only when it is legitimate, as well as information registration and information Information necessary for calling, adding / modifying information, and security is sent to each user. When each user selects one of the information, the server executes the processing corresponding to the selected information. This eliminates the need to migrate existing information, eases restrictions on the number of information that can be registered, and improves the security of information due to theft or loss of mobile phones.

  The portable information terminal disclosed in Patent Document 3 stores time data having a calendar function, an image capturing unit that captures an image, and image data of an image captured by the image capturing unit in the image data storage unit in association with the image capturing date and time. Image data management means for managing, personal information management means for storing personal information in the personal information storage means in association with the date and time, and managing personal information using a management table for representing the date and time in association with the personal information And a portable information terminal having a management table and display means for displaying the image data, when the image pickup means picks up an image, obtains the image pickup date and time of the image from the timer means, and based on the acquired image pickup date and time The data association means for associating the image data of the captured image with the date and time on the management table is provided, and operates as follows.

Since the image capturing date and time of the image is acquired from the time measuring unit when the image is captured by the imaging unit, and the data association unit is provided for associating the image data of the image captured at the date and time with the date and time on the management table based on the acquired imaging date and time. The image data of the image captured by the mounted imaging means and personal information can be managed in association with each other.
JP 2006-67130 A JP 2001-306518 A JP-A-10-187627

However, the techniques described in Patent Documents 1 to 3 have the following problems.
With the technique described in Patent Document 1, if the mobile phone is lost, personal information in the telephone directory may be abused.
The reason is that the conventional mobile phone stores the phone book in a non-volatile memory (Flash ROM), and even if a software operation lock is executed, a malicious third party directly dumps the memory. This makes it possible to decipher the contents of the phone book. In addition, although the technology described in Patent Document 1 manages the personal information by associating the security level, as long as the data remains in the nonvolatile memory, there is a fundamental security measure when the mobile phone is lost. There was a problem of not becoming.

In addition, in the techniques described in Patent Documents 2 and 3, there is a trouble that a mobile phone can store only a part of the phone book database, and if a user wants to browse several cases, the user must search each time. It was.
Therefore, an object of the present invention is to provide a communication system, a portable terminal, a personal information control method for a portable terminal, a program, and a recording medium that are excellent in security and convenience.

  The system of the present invention is a communication system having a mobile terminal and a base station side communication device that relays between the mobile terminal and another mobile terminal. The mobile terminal stores volatile information temporarily. A communication system comprising a memory, wherein the base station side communication device has a server for backing up personal information from the portable terminal.

  The portable terminal of the present invention is a portable terminal used in a communication system that communicates with other portable terminals via a base station side communication device, and stores personal information stored in a server connected to the base station side communication device. And a volatile memory for temporary storage.

  The personal information control method of the present invention is characterized in that personal information stored in a server connected to a base station side communication device is temporarily stored in a volatile memory of a mobile terminal.

  A program according to the present invention causes a computer to execute processing in which personal information stored in a server connected to a base station side communication device is temporarily stored in a volatile memory of a mobile terminal.

  The recording medium of the present invention records the above program.

  According to the present invention, the mobile terminal has a volatile memory for temporarily storing personal information, and the base station side communication device has a server for backing up the personal information from the mobile terminal, thereby enabling operation. When a user needs personal information, the mobile terminal receives the necessary number of personal information from the server at the same time, so that high convenience is obtained and the personal information is temporarily stored in the volatile memory of the mobile terminal. Thus, since it is erased when the power is off, security is ensured. As a result, it is possible to provide a communication system, a portable terminal, a personal information control method for a portable terminal, a program, and a recording medium that are excellent in security and convenience.

(Characteristics of the invention)
The present invention realizes prevention of leakage of personal information in a mobile terminal, particularly information in a telephone directory, in a personal information protection program for a mobile phone and a server.

  Recent mobile phones have various personal information (not only the phone book but also outgoing / incoming histories, captured still images, captured moving images, sent / received emails, texts, word processors and spreadsheet documents). In addition, there are about 1,000 items that can be registered, and the loss of the mobile phone terminal directly leads to leakage of personal information. Moreover, although security functions for protecting leakage of personal information are installed in recent mobile phones, these are functions that cannot be maintained unless they are set in advance. Personal information is usually stored in a non-volatile memory (such as a Flash ROM) in a mobile phone. In this case, unless individual data is encrypted, the content can be decrypted by a malicious third party directly dumping the memory (reading the memory contents).

  In the present invention, personal information, in particular, phone book data (not only phone numbers but also phone book data of mobile terminals including e-mail addresses, addresses, birthdays, and GPS location information) exists. By disposing in a portable memory (such as SDRAM), the phone book data is erased from the portable terminal when the portable terminal is turned off, the battery is removed, or the battery is dead, and leakage of personal information is prevented.

In order to solve such problems, the present invention has a radio unit, a control unit, an operation unit, a display unit, a memory, etc., as in the case of a conventional mobile phone, but the phone book data is particularly nonvolatile such as a Flash ROM. It is characterized by not being stored in the memory.
(Embodiment)

  An embodiment of a communication system according to the present invention is a communication system having a mobile terminal and a base station side communication device that relays between the mobile terminal and another mobile terminal. The base station side communication device has a server for backing up personal information from the portable terminal.

  According to the above configuration, when the operator needs personal information, the necessary number of personal information is simultaneously received from the server to the portable terminal, so that high convenience is obtained and the personal information is stored in the volatile memory of the portable terminal. By temporarily storing it in the memory, it is erased when the power is turned off, so that security is ensured.

  Another embodiment of the communication system according to the present invention is characterized in that, in addition to the above-described configuration, the mobile terminal includes means for transmitting personal information corresponding to the number of backup targets to the server.

  According to the above configuration, the personal information stored in the volatile memory of the mobile terminal is erased at the same time when the mobile terminal is turned off by transmitting the personal information corresponding to the number of backup targets to the server. Is secured.

In another embodiment of the communication system according to the present invention, in addition to the above configuration, the portable terminal obtains a list of personal information from the server when recovering personal information that has disappeared after being stored in the volatile memory. And means for receiving personal information from the server according to the number of cases to be restored, and means for temporarily storing the information in a volatile memory.
The means for obtaining a list of personal information from the server and the means for temporarily storing it in the volatile memory are constituted by software of a control program for the portable terminal. The means for receiving the personal information from the server is composed of a radio unit described later.

  According to the above configuration, when recovering personal information that has disappeared after being stored in the volatile memory, the mobile terminal obtains a list of personal information from the server and receives personal information according to the number of objects to be recovered from the server. By temporarily storing the information in the volatile memory, the operator can temporarily store the necessary number of personal information in the portable terminal at a time, so that convenience is improved.

  Another embodiment of the communication system according to the present invention is characterized in that, in addition to the above configuration, the portable terminal restores each category when restoring personal information.

  According to the above configuration, when recovering personal information, by recovering for each category, the efficiency of contacting the operator by dividing them into work, friends, relatives, etc. is improved.

  Another embodiment of the communication system according to the present invention is characterized in that, in addition to the above configuration, the portable terminal restores personal information in association with the date and time when restoring personal information.

  According to the above configuration, when recovering personal information, it is possible to efficiently apply it on weekdays, weekends, early mornings, mornings, lunch breaks, afternoons, and nights by restoring them in association with the date and time.

  An embodiment of a mobile terminal according to the present invention is a mobile terminal used in a communication system that performs communication with another mobile terminal via a base station side communication device, and a server connected to the base station side communication device. It has a volatile memory for temporarily storing stored personal information.

  According to the above configuration, when the operator needs personal information, the necessary number of personal information is simultaneously received from the server to the portable terminal, so that high convenience is obtained and the personal information is stored in the volatile memory of the portable terminal. By temporarily storing it in the memory, it is erased when the power is turned off, so that security is ensured.

  Another embodiment of the portable terminal according to the present invention is characterized in that, in addition to the above configuration, personal information corresponding to the number of cases to be backed up is stored in the server via the base station side communication device.

  According to the above configuration, the personal information stored in the volatile memory of the mobile terminal is erased at the same time when the mobile terminal is turned off by transmitting the personal information corresponding to the number of backup targets to the server. Is secured.

  One embodiment of a personal information control method for a portable terminal according to the present invention is to temporarily store personal information stored in a server connected to a base station side communication device in a volatile memory of the portable terminal. Features.

  According to the above configuration, when the operator needs personal information, the necessary number of personal information is simultaneously received from the server to the portable terminal, so that high convenience is obtained and the personal information is stored in the volatile memory of the portable terminal. By temporarily storing it in the memory, it is erased when the power is turned off, so that security is ensured.

  Another embodiment of the personal information control method for a portable terminal according to the present invention stores, in addition to the above configuration, personal information corresponding to the number of backup targets from the band terminal in the server via the base station side communication device. It is characterized by.

  According to the above configuration, the personal information stored in the volatile memory of the mobile terminal is erased at the same time when the mobile terminal is turned off by transmitting the personal information corresponding to the number of backup targets to the server. Is secured.

  In addition to the above configuration, another embodiment of the personal information control method for a mobile terminal according to the present invention is a list of personal information from a server when recovering personal information that has been stored in the volatile memory of the mobile terminal and then disappeared. And personal information corresponding to the number of objects to be restored is temporarily stored in a volatile memory.

  According to the above configuration, when recovering personal information that has disappeared after being stored in the volatile memory, the mobile terminal obtains a list of personal information from the server and receives personal information according to the number of objects to be recovered from the server. By temporarily storing the information in the volatile memory, the operator can temporarily store the necessary number of personal information in the portable terminal at a time, so that convenience is improved.

  Another embodiment of the personal information control method for a mobile terminal according to the present invention is characterized in that, in addition to the above configuration, the personal information is restored for each category when the personal information is restored to the mobile terminal.

  According to the above configuration, when recovering personal information, by recovering for each category, the efficiency of contacting the operator by dividing them into work, friends, relatives, etc. is improved.

  Another embodiment of the personal information control method for a portable terminal according to the present invention is characterized in that, in addition to the above-described configuration, the personal information is restored in association with the date and time when the personal information is restored to the portable terminal.

  According to the above-described configuration, the recovery can be performed in association with the date and time, so that it can be efficiently applied on weekdays, weekends, early mornings, mornings, lunch breaks, afternoons, and nights.

<Program and storage medium>
The portable terminal of the present invention described above is realized by a program that causes a computer to execute processing. Examples of the computer include general-purpose computers such as personal computers and workstations, but the present invention is not limited to this.

  Thus, the communication system of the present invention can be realized anywhere as long as there is a computer environment capable of executing the program.

  One embodiment of a program according to the present invention causes a computer to execute a process in which personal information stored in a server connected to a base station side communication device is temporarily stored in a volatile memory of a mobile terminal. It is characterized by.

  According to the above configuration, when the operator needs personal information, the necessary number of personal information is simultaneously received from the server to the portable terminal, so that high convenience is obtained and the personal information is stored in the volatile memory of the portable terminal. By temporarily storing it in the memory, it is erased when the power is turned off, so that security is ensured.

  Another embodiment of the program according to the present invention is characterized in that, in addition to the above-described configuration, the computer causes the mobile terminal to execute a process of transmitting personal information according to the number of backup targets to the server.

  According to the above configuration, the personal information stored in the volatile memory of the mobile terminal is erased at the same time when the mobile terminal is turned off by transmitting the personal information corresponding to the number of backup targets to the server. Is secured.

  Another embodiment of the program according to the present invention obtains a list of personal information from a server when a portable terminal recovers personal information that has disappeared after being stored in a volatile memory, in addition to the above configuration. And a process for receiving personal information from the server according to the number of cases to be restored and a process for temporarily storing the information in a volatile memory.

  According to the above configuration, when recovering personal information that has disappeared after being stored in the volatile memory, the mobile terminal obtains a list of personal information from the server and receives personal information according to the number of objects to be recovered from the server. By temporarily storing the information in the volatile memory, the operator can temporarily store the necessary number of personal information in the portable terminal at a time, so that convenience is improved.

  Another embodiment of the program according to the present invention is characterized in that, in addition to the above-described configuration, the computer causes the mobile terminal to execute a process for recovering each category when recovering the personal information.

  According to the above configuration, when recovering personal information, by recovering for each category, the efficiency of contacting the operator by dividing them into work, friends, relatives, etc. is improved.

  Another embodiment of the program according to the present invention is characterized in that, in addition to the above configuration, the computer causes the mobile terminal to execute a process of recovering in association with the date and time when the personal information is recovered.

  According to the above configuration, when recovering personal information, it is possible to efficiently apply it on weekdays, weekends, early mornings, mornings, lunch breaks, afternoons, and nights by restoring them in association with the date and time.

  One embodiment of the program according to the present invention is a recording medium on which any one of the above programs is recorded.

Such a program may be recorded on a computer-readable recording medium.
Here, examples of the recording medium include a computer-readable recording medium such as a CD-ROM (Compact Disc Read Only Memory), a flexible disk (FD), a CD-R (CD Recordable), and a DVD (Digital Versatile Disk). Semiconductor memories such as HDD (Hard Disc Drive), flash memory, RAM (Random Access Memory), ROM (Read Only Memory), and FeRAM (ferroelectric memory).

The above-described embodiment shows an example of a preferred embodiment of the present invention, and the present invention is not limited thereto, and various modifications can be made without departing from the scope of the invention. is there.
For example, in the above-described embodiment, the case of a mobile phone as a mobile terminal has been described. However, the present invention is not limited to this, and may be applied to a notebook personal computer having a communication function and a PDA (Personal Digital Assistant). .

Configurations of embodiments of a communication system, a mobile terminal, and a server according to the present invention will be described with reference to FIG. 1, FIG. 2, and FIG.
FIG. 1 is a schematic diagram showing an embodiment of a communication system according to the present invention.
Referring to FIG. 1, a mobile phone 100 as a mobile terminal performs wireless communication with a base station side communication device 103 of a mobile phone base station 101 and a storage server 102 owned by a mobile phone operator that manages the mobile phone base station 101. To establish communication with.
The phone book data in the mobile phone 100 is stored in a built-in volatile memory (DRAM or the like) that is edited by the user, and can be backed up to the storage server 102 of the mobile phone operator. On the contrary, the mobile phone 100 can restore the phone book from the storage server 102 to the volatile memory in the mobile phone 100.

  The cellular phone 100 whose phone book has been restored can perform normal phone operation using the phone book data on the volatile memory. Here, normal phone operation is, for example, making a phone call, creating and sending an e-mail, referring to the phone book, referring to the outgoing / incoming call history, the phone number that matches the data in the phone book is the corresponding name Is displayed.

FIG. 2 is a block diagram showing an embodiment of a mobile phone as a mobile terminal according to the present invention.
In this embodiment, an audio processing unit, a microphone, a receiver, a modulator / demodulator, a baseband processing unit, a wireless device and the like mounted on a normal mobile phone are not directly related to the present invention and are omitted. .
Referring to FIG. 2, a mobile phone 100 includes a control unit 201 such as a CPU (Central Processing Unit), a nonvolatile memory 202 such as a Flash ROM (Read Only Memory) for storing a program, and a work for operating the program. Volatile memory 203 such as DRAM (Dynamic Random Access Memory) used as a storage area for memory and phone book data, operation unit 204 for starting numeric keys and various applications, and display unit 205 for performing various displays And a wireless unit 206 are mounted.

FIG. 3 is an example of a telephone directory format used for the mobile phone shown in FIG.
It is assumed that the telephone directory data is stored in the format image shown in FIG. 3 in the storage server 102 (see FIG. 1) of the mobile phone operator.
Although only one phone number and one e-mail address are shown in FIG. 3, it is assumed that a plurality of items can be registered. It is also assumed that text information and images associated with each phone book are included.

  As described above, since the cellular phone according to the present embodiment holds the phone book in the built-in volatile memory, the phone book data is erased when the power is turned off, the battery is removed, or the battery runs out. As a result, even if the user of the mobile phone loses the phone body, if the battery is exhausted, the phone book data will be deleted, and even if it is picked up and used by a malicious third party, Personal information will not be leaked.

(Configuration of Example)
The configuration of an embodiment of the present invention will be described with reference to FIG. 1. A mobile phone 100 (see FIG. 1) according to the present invention stores telephone directory data in a volatile memory 203 (see FIG. 2). Referring to FIG. 1, a mobile phone 100 is connected to a base station side communication device 103 of a mobile phone base station 101 (see FIG. 1) via a wireless communication with a storage server 102 (see FIG. 1) managed by the mobile phone operator. Communicate with. The mobile phone 100 can back up the phone book data to the storage server 102 and can recover from the storage server 102.

(Description of operation of the embodiment)
Next, the operation of the embodiment will be described with reference to FIGS. 1, 2, 3, 4, and 5.
FIG. 4 is an example of an operation flow when the telephone book of the cellular phone as the portable terminal according to the present invention is saved to the server, and FIG. 5 shows the cellular phone as the portable terminal according to the present invention from the server to the phone book. It is an example of the operation | movement flow in the case of downloading.
First, the operation of saving the phone book from the mobile phone 100 to the storage server 102 will be described.
In the mobile phone 100 (see FIG. 1), the control unit 206 (see FIG. 2) determines whether or not there is a telephone book backup operation by a predetermined key input from the operation unit 204 (see FIG. 2) (FIG. 4). Step S41).
When YES in step S41, the control unit 201 instructs the wireless unit 206 (FIG. 2) to start wireless communication with the base station side communication device 103 (FIG. 1) of the mobile phone base station 101, and further carries the mobile phone. Communication is established with the telephone carrier storage server 102 (FIG. 1) (step S42 in FIG. 4).
The control unit 201 determines whether the number of phone book data to be backed up to the storage server 102 is one, a plurality of, or all (step S43 in FIG. 4).

When the number of phone book data to be backed up is one, the cellular phone 100 stores one phone book data stored in the volatile memory 203 (FIG. 2) designated in advance in the storage server 102 as a storage server. 102 (step S44 in FIG. 4).
When the number of the phone book data to be backed up to the storage server 102 is all, the mobile phone 100 transmits all the phone books stored in the volatile memory 203 to the storage server 102 (step S45 in FIG. 4). ).
When there are a plurality of phone book data to be backed up to the storage server 102, the mobile phone 100 transmits to the storage server 102 the phone book data selected in advance using the phone book also stored in the volatile memory 203. (S46 in FIG. 4).
Thus, the operation of saving the phone book data in the mobile phone 100 to the storage server 102 is completed.

Next, an operation for restoring the telephone directory from the storage server 102 to the mobile phone 100 will be described.
In the mobile phone 100, the control unit 201 determines whether or not there is a phone book restoration operation by a predetermined key input from the operation unit 204 (step S51 in FIG. 5).
When the mobile phone 100 determines YES in step S51, the control unit 201 instructs the wireless unit 206 to start wireless communication with the base station side communication device 103 of the mobile phone base station 101. Further, the mobile phone operator Communication with the storage server 102 is established (step S52 in FIG. 5).
The control unit 201 acquires the phone book list from the storage server 102 and displays it on the display unit 205 (FIG. 2) (step S53 in FIG. 5).
The user of the cellular phone 100 operates the telephone directory restoration data according to the display unit 205, and performs an operation for restoring one, a plurality of or all telephone books (step S54 in FIG. 5).
In accordance with the key input from the operation unit 204, the control unit 201 determines whether the restoration target telephone directory is one, plural, or all (step S55 in FIG. 5).

The mobile phone 100 receives one phone book data from the storage server 102 when one phone book to be restored is designated (step S56 in FIG. 5), and stores it in the volatile memory 203 (step SS59 in FIG. 5). .
The mobile phone 100 receives all the phone book data from the storage server 102 when all the phone books to be restored are designated (step S57 in FIG. 5) and stores them in the volatile memory 203 (step S59 in FIG. 5). .
The cellular phone 100 receives a plurality of phone book data selected from the storage server 102 when a plurality of cases are designated (S58 in FIG. 5), and stores them in the volatile memory 203 (step S59 in FIG. 5).
Thus, the telephone directory restoration operation to the volatile memory 203 in the mobile phone 100 is completed.

With the above operation, the phone book data of the mobile phone 100 is used in the volatile memory 203. For this reason, even if the mobile phone body is lost, if the battery runs out and the battery is disconnected, the phone book data in the mobile phone 100 will disappear, and even if it is picked up by a malicious third party, personal information will be leaked. Not connected.
As described in the above embodiment, since the phone book is stored in the storage server 102 of the mobile phone operator, the phone book data can be restored in the mobile phone 100.

  Here, in the above embodiment, the authentication process (password input, etc.) with the storage server is not particularly described, but since the object of the present invention is to prevent personal information leakage, after performing some authentication process, It is necessary to restore the phone book data from the storage server 102.

  In the above embodiment, the storage server 102 is a mobile phone operator's server. However, any server other than the mobile phone operator's server may be used as long as the same functions and security are maintained.

(Explanation of effect)
As described above, the present invention has the following effects.
The first effect is that since the phone book data in the mobile phone is mounted in the volatile memory, the phone book data can be prevented from leaking to a malicious third party even if the mobile phone is lost.

  The second effect is that since the phone book data is stored in the storage server of the mobile phone operator, it can be recovered from the storage server even when the phone book data in the mobile phone is empty, such as after the mobile phone is turned on. It is.

As another embodiment of the present invention, the basic configuration is as described above, but the additional information in the format of the phone book data is further devised. The configuration is shown in FIG.
In FIG. 3, attributes such as “family”, “friend”, and “company” are given as categories. If this is utilized, when recovering the phone book data from the storage server of the mobile phone carrier to the mobile phone of the present invention, a usage method for recovering each category can be considered.

For example, when using a mobile phone during work on weekdays, only the category “company” phone book is restored to the mobile phone, and the mobile phone is used for communication (telephone, e-mail, etc.) with individuals related to the company. To do. In addition, at night private time, only the telephone book of the category “friend” is restored to the mobile phone, and the mobile phone is used for communication with the friend.
As shown in the above example, by restoring the phone book data according to the time, place, and purpose to the mobile phone, it becomes possible to keep unnecessary phone book data in the mobile phone and carry personal information ( It is possible to minimize the phone book data in the mobile phone.
Note that the categories shown in FIG. 3 are “family”, “friend”, and “company” as an example, but may be a more detailed group category.

  Here, the invention described in Patent Document 3 is the same as the present application in that the telephone directory data is stored in the RAM, but the present application stores the telephone directory data in the RAM by “downloading it from a server on the network”. This is different from the invention described in Patent Document 3 in that it is used. Furthermore, the present application is different from the invention described in Patent Document 3 in that “a server on a network and a mobile terminal communicate with each other to acquire telephone book data from the server”.

The invention described in Patent Document 1 is similar to the present application in that the mobile device acquires a telephone book on the server. However, the invention described in Patent Document 1 describes information (phone book data). The acquisition procedure is different in that the search result is acquired by searching by telephone number, name, or single word, and the entire phone book database is not acquired as in the present application.
In the present application, when the phone book database is obtained from a storage server, all, one, or a plurality of phone book databases are acquired and the phone book function of a normal mobile phone is used.
Furthermore, the present application differs from the invention described in Patent Document 1 in that one or a plurality of cases can be selected and acquired.

1 is a schematic diagram showing an embodiment of a communication system according to the present invention. It is a block diagram which shows one Example of the mobile telephone as a portable terminal concerning this invention. It is an example of the telephone directory format used for the mobile phone shown in FIG. It is an example of the operation | movement flow in the case of retract | saving the telephone directory of the mobile telephone as a portable terminal concerning this invention to a server. It is an example of an operation | movement flow in case the mobile telephone as a portable terminal concerning this invention downloads a telephone directory from a server. It is a block diagram of the mobile telephone relevant to this invention.

Explanation of symbols

100 Mobile terminal (mobile phone)
DESCRIPTION OF SYMBOLS 101 Mobile phone base station 102 Storage server 103 Base station side communication apparatus 201 Control part 202 Non-volatile memory 203 Volatile memory 204 Operation part 205 Display part 206 Wireless part

Claims (18)

In a communication system having a mobile terminal and a base station side communication device that relays between the mobile terminal and another mobile terminal,
The portable terminal has a volatile memory for temporarily storing the personal information,
The base station side communication apparatus includes a server for backing up the personal information from the mobile terminal.   The communication system according to claim 1, wherein the portable terminal includes means for transmitting personal information corresponding to the number of backup targets to the server.   When the portable terminal recovers personal information that has disappeared after being stored in the volatile memory, means for obtaining a list of the personal information from the server and receiving personal information according to the number of objects to be recovered from the server 3. The communication system according to claim 2, further comprising: means for performing temporary storage and means for temporarily storing in the volatile memory.   The communication system according to claim 2, wherein the portable terminal restores the personal information for each category.   The communication system according to claim 4, wherein the personal digital assistant restores the personal information in association with a date and time. In a mobile terminal used in a communication system that performs communication with another mobile terminal via a base station side communication device,
A portable terminal comprising: a volatile memory for temporarily storing the personal information stored in a server connected to the base station side communication device.   7. The mobile terminal according to claim 6, wherein personal information corresponding to the number of backup targets is stored in the server via the base station side communication device.   A personal information control method for a mobile terminal, characterized in that personal information stored in a server connected to the base station side communication device is temporarily stored in a volatile memory of the mobile terminal.   9. The personal information control method for a mobile terminal according to claim 8, wherein personal information corresponding to the number of backup targets from the mobile terminal is stored in the server via the base station side communication device.   When recovering personal information that has disappeared after being stored in the volatile memory of the mobile terminal, a list of the personal information is acquired from the server, and personal information corresponding to the number of items to be recovered is temporarily stored in the volatile memory. 10. The personal information control method for a portable terminal according to claim 9, wherein the personal information is stored.   10. The personal information control method for a mobile terminal according to claim 9, wherein the personal information is restored for each category when the personal information is restored to the mobile terminal.   12. The personal information control method for a mobile terminal according to claim 11, wherein the personal information is restored in association with a date and time when the personal information is restored to the mobile terminal.   A program causing a computer to execute a process in which personal information stored in a server connected to a base station side communication device is temporarily stored in a volatile memory of a mobile terminal.   14. The program according to claim 13, wherein the computer causes the portable terminal to execute a process of transmitting personal information corresponding to the number of backup targets to the server.   When the portable terminal restores personal information that has disappeared after being stored in the volatile memory to the computer, a process for obtaining a list of the personal information from the server, and personal information according to the number of cases to be restored The program according to claim 13, wherein a program received from a server and a process temporarily stored in the volatile memory are executed.   14. The program according to claim 13, wherein the computer causes the portable terminal to execute a process for restoring each category when the personal information is restored.   The program according to claim 13, wherein the computer causes the portable terminal to execute a process of restoring the personal information in association with a date and time.   18. A recording medium on which the program according to claim 13 is recorded.

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