JP2005100016A - Communication terminal of traveling object - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the communication terminal of a traveling object for executing arbitrary functions which can be executed by an operation input by a remote operation using electronic mail. <P>SOLUTION: This communication terminal of a traveling object is provided with a key operating part 32 for making a user perform an operation input, a flash memory 23 for storing a series of operation procedures with respect to the key operating part designated by the user as an operation program 61, a mail receiving part 54 which receives the electronic mail through a radio communication line and an operation program executing part 53 for executing the operation program 61 stored in the flash memory 23 on the basis of the received electronic mail, and for automatically executing the operation input. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a mobile communication terminal, and more particularly to a mobile communication terminal that performs remote operation using electronic mail, such as a mobile phone, a PDA (Personal Digital Assistant) having a wireless communication function, and the like.

  If a mobile terminal such as a mobile phone, PHS, or PDA is lost or stolen, the terminal is used without permission by a third party, or personal or confidential information in the terminal is leaked to a third party. There is a risk that. However, if the terminal has an e-mail transmission / reception function, the mail receiving function can be used to improve security in the event of loss or theft of the terminal. Such a proposal has been conventionally made (for example, Patent Document 1 and Patent Document 2).

  Patent Document 1 discloses an information terminal that executes a security process selected in advance by a user when receiving a mail. In this information terminal, security items including “screen lock”, “user display”, and “data deletion” are determined in advance. The user selects a desired item from these security items in advance on the security setting screen, and inputs an arbitrary password in advance. When the e-mail is received, the password added to the e-mail is checked against the password. If the two match, the security process corresponding to the security item selected in advance by the user is executed.

  Patent Document 2 discloses a portable terminal that stops a function selected in advance by a user when receiving a mail. In this portable terminal, stop target functions including a “power supply function”, a “telephone mail transmission / reception function”, a “telephone mail call transmission function”, a “phone book access function”, and a “display function” are predetermined. The user sets an arbitrary character string in advance for these functions to be stopped. Then, when the e-mail is received, if the character string exists in the e-mail, the function corresponding to the character string is stopped.

  If these conventional technologies are used, the security of the mobile terminal can be improved, but if the mobile terminal itself cannot be found, the user can retrieve the data stored in the terminal. Can not. For example, if the mobile phone is lost, the memory dial information stored in the mobile phone cannot be retrieved. For this reason, a proposal has been made to send memory dial information or the like when the terminal is lost using the mail transmission function (for example, Patent Document 3).

  When a mobile phone described in Patent Document 3 receives an e-mail containing a keyword “forgetting” for misplacement and a password “1234”, it performs key lock to disable key entry and a memory dial. Reply to an email containing a list. For this reason, the memory dial information of the lost mobile phone can be acquired. In addition, the reply mail includes current position information obtained by GPS, so that the lost mobile phone itself can be easily found.

JP 10-1111727 A JP 2002-209260 A JP 2002-111858 A

  As described above, in a conventional mobile communication terminal having an e-mail transmission / reception function, when a terminal is lost or stolen, predetermined processing can be executed by remote operation using e-mail. . However, in any case, in a terminal capable of executing various processes, only a limited process can be executed by remote operation.

  That is, although recent mobile phones and PDAs have various functions, according to the prior art, the user can execute only a specific function assumed in advance by the terminal supplier. was there. In addition, it is considered that the processing that the user who lost the terminal or stolen desires to execute by remote operation varies greatly depending on the user, the situation at the time of loss, or the like. For this reason, there is a problem that it is difficult for the terminal supplier to assume in advance all the functions required when the terminal is lost.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a mobile communication terminal that executes an arbitrary function that can be executed by an operation input by remote operation using electronic mail. It is another object of the present invention to provide a mobile communication terminal that prevents remote operation by a third party other than an authentic user and improves security.

  A mobile communication terminal according to the present invention includes an operation input unit for a user to perform an operation input, an operation program storage unit that stores a series of operation procedures for an operation input unit designated by the user as an operation program, and a wireless communication line A mail receiving unit that receives an e-mail via the e-mail, and an operation program execution unit that automatically executes an operation input by executing an operation program held in the operation program storage unit based on the received e-mail Configured.

  According to such a configuration, a series of operation inputs can be automatically performed by designating a series of operation procedures for the operation input unit in advance as an operation program and sending an e-mail to the mobile communication terminal. Therefore, it is possible to realize a remote operation for any function that can be executed by an operation input. Also, by registering the operation program in advance, it is possible to prevent any remote operation by a third party from being executed when a password is leaked. Furthermore, since the operation procedure may be registered as the operation program, the program work is easy.

  The mobile communication terminal according to the present invention also stores a user authentication unit that authenticates a user who performs an operation input using a first password, an operation program specified by the authenticated user, and a second password as an operation program. An operation program registration unit stored in the unit and a mail authentication unit that authenticates the received e-mail using a second password, and the operation program execution unit executes an operation program based on the authenticated e-mail. Configured to run.

  According to such a configuration, only the user who is authenticated by using the first password can register the operation program and the second password, and the second password for the e-mail for executing the operation program. Authentication is performed using. For this reason, it is possible to prevent a third party other than the genuine user from registering or executing the operation program. In addition, a second password different from the first password is used for e-mail authentication, and the first password can be prevented from leaking.

  In addition, the mobile communication terminal according to the present invention includes an operation program browsing unit that allows only an authenticated user to browse the operation program and the second password held in the operation program storage unit. The According to such a configuration, it is possible to prevent the operation program and the second password from being viewed by a third party other than the genuine user.

  In addition, the mobile communication terminal according to the present invention includes a remote operation mail determination unit that determines that the received electronic mail is a remote operation mail for executing the operation program, and the mail authentication unit includes the remote operation mail from the remote operation mail. The password is extracted and configured to be compared with the second password held in the operation program storage unit.

  In the mobile communication terminal according to the present invention, the operation program storage unit can store two or more operation programs, and the operation program execution unit selects and executes the operation program based on the received e-mail. Configured to do. With such a configuration, two or more operation programs can be registered in advance, and can be selected and executed as necessary.

  Moreover, the mobile communication terminal according to the present invention is configured such that the operation program storage unit stores a second password for each operation program. According to such a configuration, when the second password is leaked, the influence can be minimized.

  In the mobile communication terminal according to the present invention, the operation program registration unit stores transmission source information designated by the authenticated user in the operation program storage unit, and the mail authentication unit transmits the second password and transmission. The remote control mail is configured to be authenticated using the original information. According to such a configuration, since the remote operation mail can be authenticated using the second password and the transmission source information, execution of the operation program by a third party other than the authentic user can be more effectively prevented. Can do.

  In the mobile communication terminal according to the present invention, the transmission source information includes an email transmission source address, and the mail authentication unit extracts the transmission source address from the remote operation mail header information and stores the transmission source address in the operation program storage unit. It is configured to match with a stored source address. According to such a configuration, since the remote operation mail can be authenticated using the source address, execution of the operation program by a third party other than the genuine user can be more effectively prevented.

  In addition, the mobile communication terminal according to the present invention determines a mail storage unit including a non-volatile memory in which the received electronic mail is stored, and the received electronic mail is a remote operation mail for executing the operation program. A remote operation mail discriminating unit, and configured to be stored in the mail storage unit when the received electronic mail is a remote operation mail. According to such a configuration, the remote operation mail is browsed as the received mail, and the second password can be prevented from leaking to a third party other than the authentic user.

  In the mobile communication terminal according to the present invention, the mail receiving unit is configured to store a remote operation mail that has failed in authentication in the mail storage unit. According to such a configuration, it is possible to record information related to remote operation mail that has failed authentication such as mischief mail.

  In addition, the mobile communication terminal according to the present invention determines a mail storage unit including a non-volatile memory in which the received electronic mail is stored, and the received electronic mail is a remote operation mail for executing the operation program. A remote operation mail determination unit; and a mail encryption unit that encrypts the remote operation mail. The mail reception unit is configured to store the encrypted remote operation mail in the mail storage unit. According to such a configuration, it is possible to record a remote operation history, and it is possible to prevent authentication information from being easily leaked to a third party by a browsing operation of a received mail.

  ADVANTAGE OF THE INVENTION According to this invention, the mobile communication terminal which performs the arbitrary functions which can be performed by operation input by remote operation using an electronic mail can be provided. It is another object of the present invention to provide a mobile communication terminal that prevents remote operation by a third party other than an authentic user and improves security.

Embodiment 1 FIG.
FIG. 1 is a schematic diagram showing an example of a communication system to which a mobile communication terminal according to the present invention is applied. In the figure, reference numerals 1 and 2 denote mobile telephones as mobile communication terminals, which can send and receive e-mails. Reference numeral 3 in the figure denotes a personal computer (PC), which is connected to the Internet network Ni and can send and receive electronic mail.

  The radio base stations (BS) 10 and 11 are connected to the mobile communication network Nm via mobile communication control stations (MSC) 12 and 13, respectively. The mobile communication network Nm is a packet communication network, for example, a PDC-P (Personal Digital Cellular-Packet), to which a location register (LR) 14 and a mail server 15 are connected, and through the gateway (GW) 16 the Internet. It is connected to the net Ni.

  The location register 14 holds location registration information of each mobile phone 1 and 2. That is, if the mobile telephones 1 and 2 are in a state in which wireless communication with any one of the wireless base stations 10 and 11 is possible, the current position is stored. The mail server 15 is a server that relays electronic mail transmitted and received by the mobile phones 1 and 2.

  Here, it is assumed that the mobile phone 1 is located in the wireless area of the wireless base station (BS) 10 and can wirelessly communicate with the wireless base station 10. Similarly, it is assumed that the mobile phone 2 can wirelessly communicate with the radio base station (BS) 11. Therefore, when the user loses the mobile phone 1, an electronic mail (remote operation mail) for remotely operating the mobile phone 1 can be transmitted from either the mobile phone 2 or the PC 3.

  When an electronic mail is transmitted from the PC 3 to the mobile phone 1, first, an IP packet is transmitted from the PC 3 to the gateway 16 via the Internet network Ni. This packet including mail data is subjected to protocol conversion by the gateway 16 and then transmitted to the mail server 15 via the mobile communication network Nm. The mail server 15 inquires the location register 14 for the current position of the mobile phone 1 and transmits the packet data to the mobile communication control station 12. This packet data is further transmitted to the radio base station 10 and transmitted from the radio base station 10 to the mobile phone 1 by radio.

  When an electronic mail is transmitted from the mobile phone 2 to the mobile phone 1, a packet including mail data is transmitted from the mobile phone 2 to the radio base station 11, and further, the mobile communication control station 13 and the mobile communication network Nm are transmitted. Is sent to the mail server 15 via. After that, it is the same as the case where it transmitted from PC3.

  FIG. 2 is a block diagram showing a configuration example of the mobile phone according to Embodiment 1 of the present invention, and shows a detailed configuration example of the mobile phone 1 of FIG.

  The microprocessor (MPU) 20 is an arithmetic processing unit that performs main operation control of the mobile phone 1. The MPU 20 implements various controls by reading and executing a program stored in a read only memory (ROM) 21. At that time, data is written to and read from a RAM (Random Access Memory) 22 and a flash memory 23 as necessary.

  Both the RAM 22 and the flash memory 23 are electrically rewritable storage devices, but the RAM 22 is a volatile storage device in which data is lost when power supply is stopped, whereas the flash memory 23 is supplied with power. This is different in that it is a non-volatile storage device that can retain data even after stopping. For this reason, the received e-mail, image data taken by the camera, password, operation program described later, and the like are stored in the flash memory 23.

  The wireless unit 30 is a wireless communication circuit for performing wireless communication with the wireless base station 10 via an antenna, and transmission / reception of electronic mail is performed by the wireless unit 30 based on instructions from the MPU 20. The camera unit 31 is an image pickup apparatus having a photoelectric conversion unit such as a CCD (Charge Coupled Device). The camera unit 31 picks up a subject based on a shooting instruction from the MPU 20 and outputs image data to the MPU 20.

  The key operation unit 32 is an operation input unit including a plurality of operation keys for the user to perform operation input. When the user performs a key operation, a detection signal thereof is output to the MPU 20. The microphone 33 is a voice input device such as a transmitter, and outputs voice data to the MPU 20.

  The display unit 34 is a data display unit including an LCD (Liquid Crystal Device) or the like, and displays images and characters based on instructions from the MPU 20. The speaker 35 is a voice output device such as a telephone handset for calling and a means for outputting a ringtone and a mail reception sound, and performs voice output based on an instruction from the MPU 20.

  FIG. 3 is a block diagram showing a more detailed configuration example of the main part of the mobile phone 1 of FIG. 50 to 56 in the figure are functional blocks showing processing executed in the MPU 20 of FIG. 2, and 60 to 63 show data held in the flash memory 23.

  The main control unit 50 performs various processes not shown in FIG. 3, which are processes performed by the MPU 20. The user authentication unit 51 performs user authentication for confirming that the user using the key operation unit 32 is a genuine user (for example, a terminal owner). This user authentication is performed by allowing the user to input a terminal-specific password (terminal password) and collating the input password with the terminal password 60 stored in advance in the flash memory 23.

  The operation program registration / editing unit 52 performs registration processing and editing processing of the operation program 61. The operation program 61 is a series of operation procedures performed on the key operation unit 32 when the user performs an operation input. For example, in the case of a call operation for the telephone number 01-2345-6780, “0” “1” “2” “3” “4” “5” “6” “7” “8” “0” “off hook button in order. And a series of such operation procedures are registered in the flash memory 23 as the operation program 61. The flash memory 23 can store a plurality of operation programs 61 at the same time.

  The operation program 61 includes information on the type of keys to be operated and the operation order, and can define an arbitrary procedure in the key operation unit 32. Note that in the case of the cellular phone 1 in which the number of operation keys is more severely limited than that of a PC or the like, even if the operation is performed on the same operation key, the operation content may differ depending on the operation time (pressing time). For example, when the on-hook button is normally pressed, the operation returns to the standby screen, but when the button is pressed for a long time, the operation is turned off. Therefore, it is desirable that the operation program 61 further includes operation time information (such as short press and long press information) at least for this type of key.

  In addition, the operation program registration / editing unit 52 can register the mail authentication information 62 in the flash memory 23 for each operation program 61 and can edit (including browsing) the registered mail authentication information 62. The mail authentication information 62 includes a password (execution password) 62A and mail sender information 62B, and is used for authenticating the electronic mail when a remote operation mail instructing execution of the operation program is received. Although the transmission source information 62B may be a user name or the like, in this embodiment, it is assumed that it is a transmission source address of a remote operation mail.

  The above-described operation program 61 and the mail authentication information 62 are registered in the flash memory 23, and the registered operation program 61 and the mail authentication information 62 can be edited by the user authentication unit 51. These operations are performed by the key operation unit 32 only by the user.

  The operation program execution unit 53 selects and reads the operation program 61 stored in the flash memory 23 based on an instruction from the mail reception unit 54, and automatically performs an operation input on behalf of the user. That is, a series of operation procedures are sequentially input from the operation program execution unit 53 to the main control unit 50 instead of the key operation unit 32. At this time, the main control unit 50 executes the same processing as when the operation procedure is input from the key operation unit 32 by the user. For this reason, it is possible to automatically execute an arbitrary process that can be executed by an operation input in the key operation unit 32.

  The mail receiving unit 54 performs an e-mail receiving process. When the radio unit 30 receives an e-mail from the radio base station 10, the e-mail is sent to the mail receiving unit 54 via the main control unit 50 and stored in the flash memory 23 as a received mail 63 by the mail receiving unit 54. Is done.

  The remote operation mail determination unit 55 is a processing unit that determines whether or not the received electronic mail is a remote operation mail for executing the operation program 61. The mail receiving unit 54 outputs the received electronic mail to the remote operation mail determination unit 55 and instructs to determine whether or not the electronic mail is a remote operation mail. The remote operation mail is determined based on the remote operation identifier included in the header information, subject (subject) or body of the e-mail, for example, the presence or absence of a predetermined character string, and the determination result is sent to the mail receiving unit. 54.

  The mail authentication unit 56 performs mail authentication for confirming that the remote operation mail is a mail transmitted by a genuine user. The mail receiving unit 54 outputs the electronic mail determined as the remote operation mail to the mail authentication unit 56 and instructs the authentication of the electronic mail. This user authentication is performed by extracting the mail authentication information from the remote operation mail and comparing it with the mail authentication information 62 stored in advance in the flash memory 23.

  This authentication result is output to the mail receiver 54. In this way, when the received mail is determined to be a remote operation mail and the mail authentication is also successful, the mail reception unit 54 instructs the operation program execution unit 53 to execute the operation program.

  Steps S101 to S106 in FIG. 4 are flowcharts showing an example of the operation in the mobile phone 1 in FIG. 3, and show the operation when registering the operation program 61. First, the registered application program of the operation program 61 is started by the user (step S101). Hereinafter, an application program is abbreviated as an application. For example, an application menu is displayed on the display unit 34 by a user key operation, and a registered application is activated by selecting a registered application from the menu.

  The registration application performs user authentication using the terminal password 60 (step S102). For example, a password entry field is displayed on the display unit 34 to prompt the user to enter a password. When the user inputs a password in this password input field, user authentication is performed by comparing with the terminal password 60 held in the flash memory 23.

  If an incorrect password is input and user authentication fails, the registration process of the operation program 61 is terminated (step S103). On the other hand, if the user authentication is successful, registration of the operation program 61 is started (step S104). The operation program 61 is registered by writing a series of operation inputs made by the user to the key operation unit 32 in the flash memory 23.

  That is, a series of key operation detection signals sequentially output from the key operation unit 32 is written in the flash memory 23 from the end of user authentication until a predetermined program registration end operation is performed. At this time, the user only needs to sequentially perform normal operation input when executing the function to be executed by remote operation. For this reason, an operation program can be easily registered without requiring specialized knowledge for remote operation.

  The operation program 61 is executed by remote operation using electronic mail. For this reason, it is considered that the user who gives an instruction to execute the operation program 61 does not grasp the operation state of the mobile phone 1 at the time of execution. Moreover, when registering the operation program 61, it is considered that it is not easy to predict the operation state of the mobile phone 1 at the time of future execution.

  For example, when an operation program 61 created on the assumption that the standby screen is displayed and registered in advance is executed, an application such as a telephone directory may be running on the mobile phone at the time of execution. Conceivable. In such a case, even if the operation program 61 is executed, the intended function cannot be executed. For this reason, it is desirable that the first operation of the operation program is a reset operation for returning the mobile phone to the display state of the standby screen. Usually, an on-hook button operation corresponds to this operation. Therefore, it is more desirable to automatically insert such a reset operation at the beginning of the operation program.

  After completing the registration of the operation program 61, the execution password 62A is registered (step S105). For example, when a password input field is displayed on the display unit 34 and an arbitrary character string composed of a predetermined number or more of characters or numbers is input by the user, this character string is used as the execution password 62A associated with the operation program 61. Is written in the flash memory 23.

  After the registration of the execution password 62A is completed, the mail transmission source information 62B is registered (step S106). For example, when a remote operation mail sender address input field is displayed on the display unit 34 and the user inputs a mail address, this mail address is used as the mail sender information 62B associated with the operation program 61 in the flash memory. 23 is written.

  If a third party other than the genuine user can register the operation program 61, it is possible to perform a mischief such as operating the mobile phone 1 possessed by the genuine user by remote operation of the third party. turn into. For this reason, when registering the operation program 61, user authentication using the terminal password is first performed, and thereafter, the operation program 61, the execution password 62A, and the mail transmission source information 62B are registered. Therefore, these registration orders are arbitrary, and the order of steps S104 to S106 may be changed.

  Steps S201 to S206 in FIG. 5 are flowcharts showing an example of the operation in the mobile phone 1 in FIG. 3, and show the operation when editing the operation program. Compared with the case of FIG. 4 (operation at the time of registration), it is the same except that steps S204 to S206 are editing processes. In these editing processes S204 to S206, the operation program 61 and mail authentication information (execution password 62A and transmission source address 62B) can be browsed and edited. In other words, as with registration, user authentication is first performed during editing, and a third party other than the genuine user cannot view the operation program 61 and the mail authentication information 62 and can change it. Can not.

  Steps S301 to S306 in FIG. 6 are flowcharts showing an example of operations in the mobile phone 1 in FIG. 3, and show operations when the operation program 61 is executed by remote operation.

  The operation program 61 is executed when a remote operation mail is received. When the cellular phone 2 or the PC 3 in FIG. 1 transmits an email specifying the email address of the cellular phone 1 as a transmission destination, the cellular phone 1 receives the email from the radio base station 10 (step S301).

  In the mobile phone device 1 that has received the e-mail, a remote-operation mail discrimination process is performed (step S302). That is, the mail receiving unit 54 that has received the e-mail outputs the mail to the remote operation mail discriminating unit 55, determines whether or not the remote operation mail discriminating unit 55 is a remote operation mail, and sends the determination result to the mail. Notify the receiver 54.

  If the received mail is not a remote control mail, the same receiving process as when receiving a normal electronic mail is performed (step S303). That is, the reception processing unit 54 stores the received mail in an inbox (received mail folder) in the flash memory 23. In addition, the display unit 34 displays that a mail has been received, outputs a mail reception sound from the speaker 35, and notifies the user of the mail reception.

  If the received mail is a remote operation mail, the processes in steps S304 to S306 are executed without being stored in the flash memory 23. As described above, when the mail authentication information 62 is registered and edited, user authentication using the terminal password 60 is performed (FIGS. 4 and 5). However, if the remote control mail is stored in the inbox in the flash memory 23 as in the case of the normal received mail, a third party can easily browse the mail authentication information 62 by browsing the received mail. End up. For this reason, when it is determined that the mail is a remote operation mail, it is not stored in the flash memory 23. The mail authentication information 62 may be deleted (at least after the execution password 62A is deleted) and stored.

  The remote operation mail is output to the mail authentication unit 56 by the mail receiving unit 54, and the mail authentication unit 56 authenticates the mail (step S304). The mail authentication unit 56 extracts a character string as a password from the subject or text of the remote operation mail, and extracts a transmission source address from the header information of the remote operation mail. Then, the extracted password is checked against the execution password 62A of the flash memory 23, and the extracted source address is checked against the source address 62B of the flash memory 23. If both the execution password 62A and the source address 62B match, the authentication is successful, and if either one does not match, the authentication fails.

  If the mail authentication fails, the execution process of the operation program 61 is terminated (step S305). On the other hand, when the mail authentication is successful, the mail receiving unit 54 designates the operation program 61 in the flash memory 23 and instructs the operation program execution unit 53 to execute it. Based on this instruction, the operation program execution unit 53 reads the operation program 61 from the flash memory 23 and automatically performs an operation input specified in the operation program 61.

  Next, an example of the operation program 61 will be described. It is assumed that the cellular phone 1 can toggle the manner mode ON state and the OFF state by performing a short press of the manner key after a short press of the F key in the display state of the standby screen. In this case, if an operation procedure including “short press of on-hook button”, “short press of F key”, and “short press of manner key” is registered in advance as the operation program (1), the manner mode is set by remote operation. And release can be performed alternately. Therefore, it becomes easy to find the mobile phone 1 lost in the manner mode on state.

  For example, when it is known that the lost mobile phone 1 is close to the user (for example, indoors), the mobile phone 1 can be easily operated by calling the mobile phone 1 from another phone and ringing the ringtone. Can be found in. However, this method cannot be used when the lost mobile phone 1 is set to the manner mode. In such a case, by sending a remote operation mail to the mobile phone 1 and executing the operation program (1), the manner mode can be canceled and the mobile phone 1 can be easily found.

  Another example of the operation program 61 will be described. When the mobile phone 1 is set not to ring the ringtone, even if the manner mode is canceled, the mobile phone 1 cannot be found by ringing the ringtone. If the mobile phone 1 operates the F key, 1 key, 0 key, 1 key, 1 key, 1 key, and J key in order while the standby screen is displayed, menu display and selection are repeated. In this case, it is possible to make a setting for ringing a ringtone. In such a case, as the operation program (2), “on-hook button short press”, “F key short press”, “1 key short press”, “0 key short press”, “1 key short press” If "press", "short press of 1 key", "short press of 1 key", and "short press of J key" are registered in advance as the operation program (2), the operation program (2) is executed. Thus, it is possible to easily find the lost mobile phone 1 without ringing the ringtone.

  Further, the function realized by one operation program is not limited to a single function. For this reason, for example, after the operation program (1) is executed, the entire operation procedure for executing the operation program (2) can be registered as one operation program. In this case, the above two functions can be executed by sending one remote control mail.

  Furthermore, another example of the operation program 61 will be described. If the key operation procedure for setting the dial prohibition mode is registered in advance as an operation program, a remote operation mail is transmitted, and this operation program is executed, the operation input of the cellular phone 1 is impossible as in the case of the prior art. It can also be.

  As another application example, after an image data is photographed by the camera unit 31, an operation program for attaching the image data to an e-mail and transmitting it to a predetermined e-mail address is registered in advance. You can also. In this case, if a remote operation mail is transmitted and this operation program is executed, camera shooting can be instructed from a remote location, and the captured image data can be received at the remote location.

  As another application example, a voice recorder for recording the output signal of the microphone 33 is activated, recording is performed for a predetermined time, and then the recorded data is attached to an e-mail to determine a predetermined mail. An operation program to be transmitted to the address can be registered in advance. In this case, if a remote operation mail is transmitted and this operation program is executed, recording can be instructed from a remote location, and recorded voice data can be received at the remote location.

  According to the present embodiment, in the mobile phone 1 having a mail receiving function, when a series of operation procedures for the key operation unit 32 is stored in advance in the flash memory 23 as the operation program 61 and a remote operation mail is received. According to the operation program 61, a series of operation procedures can be automatically input. A plurality of operation programs 61 can be stored in the flash memory 23, and the operation program 61 to be executed can be selected and specified by remote operation mail.

  Therefore, it is possible to realize remote operation for various functions (most functions of the mobile phone 1) that can be executed by user operation input. In addition, a complicated series of processes can be executed by remote operation. Furthermore, the user can arbitrarily determine a function to be remotely operated according to the user or according to the use situation.

  Further, according to the present embodiment, only the user who is authenticated by the terminal password 60 can register and edit the operation program 61 and the execution password 62A. The remote operation mail for executing the operation program 61 includes an execution password 62A, and the remote operation mail is authenticated based on the execution password 62A.

  Therefore, it is possible to prevent a third party from registering the operation program 61 without permission. Further, it is possible to prevent a third party from executing the operation program without permission. Further, since the execution password 62A different from the terminal password 60 is described in the e-mail and the mail is authenticated, damage can be minimized even if the e-mail being transmitted is stolen.

  In particular, when a remote operation mail is transmitted from the PC 3, the electronic mail is transmitted via the Internet network Ni and may be stolen during transmission. In addition, the wireless communication line with the wireless base station 10 inherently has a risk of being seen. For this reason, if the terminal password 60 and the execution password 62A are different passwords, the security can be improved.

  Further, according to the present embodiment, the user registers the remote operation mail sender address 62B in advance, and the remote operation mail is authenticated based on the sender address. For this reason, it is possible to prevent a mischief such that a third party who steals the execution password 62A remotely operates the mobile phone 1.

  Further, according to the present embodiment, the remote operation mail is determined, and when it is determined that the received mail is not the remote operation mail, it is stored in the flash memory 23 while the received mail is determined to be the remote operation mail. If it is, the mail is not stored in the flash memory 23. For this reason, browsing the received electronic mail can prevent the execution password 62A and the transmission source address 62B from leaking to a third party.

Embodiment 2. FIG.
In the first embodiment, the case where the mail is not stored in the inbox in the flash memory 23 when the remote operation mail is determined has been described. On the other hand, in the present embodiment, a case will be described in which a remote operation mail that has failed in mail authentication is stored in the flash memory 23. In addition, a case where a remote operation mail that has been successfully authenticated by mail is encrypted and stored in the flash memory 23 will also be described.

  FIG. 7 is a block diagram showing a configuration example of the mobile phone 1 according to the second embodiment of the present invention, and shows a more detailed configuration of the main part of the mobile phone 1 of FIG. Compared with the case of FIG. 3 (Embodiment 1), a mail encryption unit 57 is provided and remote operation mails 64 and 65 are stored in the flash memory 23.

  The mail encryption unit 57 performs an encryption process on the electronic mail stored in the flash memory 23. The mail receiving unit 54 outputs the remote operation mail that has passed the mail authentication to the mail encryption unit 57. The mail encryption unit 57 encrypts this electronic mail and stores it in the flash memory 23 as a remote operation mail 64. Various encryption methods can be employed for this encryption processing. For example, an encryption process using the terminal password 60 as a decryption key can be used.

  The mail receiving unit 54 stores the remote operation mail that has failed in the mail authentication in the flash memory 23. When a remote operation mail is transmitted by mischief, even if it is determined as a remote operation mail, the mail authentication fails. In this case, the mail receiving unit 54 stores the remote operation mail that has failed in the mail authentication in the flash memory 23 as the authentication error mail 65, and records information on the mischievous mall, for example, transmission source information, transmission route, transmission time, and the like. Keep it.

  Steps S401 to S409 in FIG. 8 are flowcharts showing an example of the operation in the mobile phone 1 in FIG. 7, and show operations when the operation program 61 is executed by remote operation. Compared to the case of FIG. 6 (Embodiment 1), only steps S406 to S408 are different.

  If the authentication of the remote operation mail fails in step S405, the mail is stored in the flash memory 23, and the process ends without executing the operation program 61 (step S406). On the other hand, if the remote operation mail is successfully authenticated, the mail encryption unit 57 performs the encryption process of the mail, and the encrypted remote operation mail is stored in the flash memory 23 (steps S405 to S408). ). After saving the mail, the operation program 61 is executed by the operation program execution unit 53.

  According to the present embodiment, a received mail that has been determined as a remote operation mail and failed in mail authentication is stored in the flash memory 23. For this reason, information about mischievous mail can be recorded. Further, according to the present invention, the remote operation mail that has been successfully authenticated by the mail is encrypted and stored in the flash memory 23. For this reason, it is possible to record a remote operation history and to prevent the authentication information from being easily leaked to a third party by the received mail browsing operation.

  In each of the above embodiments, the remote operation identifier, the execution password 62A, and the transmission source address 62B are described as being included in the remote operation mail. However, a character string is added to the remote operation mail. You can also. If an operation input is performed on the mobile phone 1 and a complicated character string is input on the PC or the like, it is included in the body text of the remote operation mail, transmitted to the mobile phone 1, and the registration application to the user dictionary is started. Character strings can be registered in the user dictionary.

  In the second embodiment, the case where the operation program 61 is registered in the mobile phone 1 in advance from the viewpoint of security has been described. However, the operation program 61 can be stored in a remote operation mail. That is, only the mail authentication information 62 may be registered in advance in the mobile phone 1 and transmitted to the remote operation mail mobile phone 1 in which the operation program 61 is described in the mail text. The mobile phone 1 that has received the e-mail extracts the operation program 61 from the mail text and executes it if the mail is determined to be a remote operation mail and the mail authentication is successful. In this case, even an operation input not registered in advance can be executed.

It is the schematic which showed an example of the communication system with which the mobile communication terminal by this invention is applied. 1 is a block diagram showing a configuration example of a mobile phone according to Embodiment 1 of the present invention, in which a detailed configuration example of the mobile phone 1 of FIG. 1 is shown. FIG. 3 is a functional block diagram illustrating a more detailed configuration example of the main part of the mobile phone 1 of FIG. 2. It is the flowchart which showed an example of the operation | movement in the mobile telephone 1 of FIG. 3, and the operation | movement at the time of registering an operation program is shown. It is the flowchart which showed an example of the operation | movement in the mobile telephone 1 of FIG. 3, and the operation | movement at the time of editing an operation program is shown. It is the flowchart which showed an example of operation | movement in the mobile telephone 1 of FIG. 3, and the operation | movement at the time of performing an operation program by remote operation is shown. FIG. 5 is a block diagram showing a configuration example of a mobile phone 1 according to Embodiment 2 of the present invention, in which a more detailed configuration is shown for the main part of the mobile phone 1 of FIG. It is the flowchart which showed an example of the operation | movement in the mobile telephone 1 of FIG. 7, and the operation | movement at the time of performing an operation program by remote operation is shown.

Explanation of symbols

1, 2 Mobile phone 10, 11 Wireless base station 15 Mail server 20 Microprocessor 21 ROM
22 RAM
23 Flash memory 30 Wireless unit 32 Key operation unit 50 Main control unit 51 User authentication unit 52 Operation program registration / editing unit 53 Operation program execution unit 54 Mail reception unit 55 Remote operation mail discrimination unit 56 Mail authentication unit 57 Mail encryption unit 60 Terminal Password 61 Operation program 62 Mail authentication information 62A Execution password 62B Mail sender information (sender address)
63 Received mail 64 Remote operation mail 65 Authentication error mail Ni Internet network Nm Mobile communication network

Claims (11)

An operation input unit for the user to perform operation input;
An operation program storage unit for storing a series of operation procedures for the operation input unit designated by the user as an operation program;
A mail receiving unit for receiving e-mail via a wireless communication line;
A mobile communication terminal comprising: an operation program execution unit that executes an operation program held in an operation program storage unit and automatically inputs an operation based on the received e-mail. A user authentication unit for authenticating a user who performs an operation input using the first password;
An operation program registration unit for storing the operation program designated by the authenticated user and the second password in the operation program storage unit;
A mail authentication unit that authenticates the received email using the second password;
The mobile communication terminal according to claim 1, wherein the operation program execution unit executes the operation program based on the authenticated electronic mail.   The moving body according to claim 2, further comprising an operation program editing unit that allows only an authenticated user to view the operation program and the second password held in the operation program storage unit. Communication terminal. A remote operation mail discriminating unit for discriminating that the received email is a remote operation mail for executing the operation program,
3. The mobile communication terminal according to claim 2, wherein the mail authentication unit extracts a password from the remote operation mail and collates it with a second password held in the operation program storage unit. The operation program storage unit can store two or more operation programs,
3. The mobile communication terminal according to claim 2, wherein the operation program execution unit selects and executes an operation program based on the received electronic mail.   6. The mobile communication terminal according to claim 5, wherein the operation program storage unit stores a second password for each operation program. The operation program registration unit stores the transmission source information designated by the authenticated user in the operation program storage unit,
The mobile communication terminal according to claim 4, wherein the mail authentication unit authenticates the remote operation mail using the second password and the transmission source information. The sender information consists of the email sender address,
8. The mobile communication terminal according to claim 7, wherein the mail authentication unit extracts a transmission source address from the header information of the remote operation mail and collates it with a transmission source address held in the operation program storage unit. . A mail storage unit comprising a non-volatile memory in which received e-mails are stored;
A remote operation mail determination unit for determining that the received e-mail is a remote operation mail for executing the operation program;
3. The mobile communication terminal according to claim 2, wherein when the received electronic mail is a remote operation mail, it is not stored in the mail storage unit.   10. The mobile communication terminal according to claim 9, wherein the mail receiving unit stores a remote operation mail that has failed in authentication in the mail storage unit. A mail storage unit comprising a non-volatile memory in which received e-mails are stored;
A remote operation mail determination unit for determining that the received e-mail is a remote operation mail for executing the operation program;
An email encryption unit that encrypts remote operation emails,
2. The mobile communication terminal according to claim 1, wherein the mail receiving unit stores the encrypted remote operation mail in a mail storage unit.

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