KR20030048196A - Mobile phone with phone lock using short messages and method for the same - Google Patents

Abstract

PURPOSE: A method for performing a locking function using an SMS(Short Message Service) is provided to analyze a short message when the short message is received, and to perform the locking function if a locking function performing character string exists, thereby preventing other party from using a mobile communication terminal when the terminal is lost. CONSTITUTION: A controller of a mobile communication terminal inputs a locking function canceling password through a key input unit, and stores the inputted locking function canceling password(S110). The controller inputs a character string for performing a locking function through the key input unit from a user, stores the inputted character string, and inputs a kind of the locking function to store the locking function(S112). When a short message is received, the controller analyzes the received short message, and performs the locking function if a locking function performing character string exists(S114).

Description

Mobile communication terminal with lock function using single message and its method {Mobile phone with phone lock using short messages and method for the same}

The present invention relates to a mobile communication terminal having a lock function using a short message and a method thereof, and in particular, to perform a lock function when a secret code to perform a lock function is received by a short massage service (SMS). The present invention relates to a mobile communication terminal and a method thereof.

Conventionally, when a cellular phone user loses a cellular phone, it is possible to prevent unauthorized use of the cellular phone by calling a customer center of the cellular phone or the like to terminate or apply for a call termination.

Such a technology includes a domestic patent application No. 1997-35874. The disclosed technology is an additional service method according to the loss of a mobile terminal of a personal communication switch. When the mobile terminal is lost, a telephone number for the mobile terminal is exchanged for the personal communication exchange. Registering on board; Requesting to execute an alarm sound generation service for call suppression when a call connection is attempted from the lost mobile terminal; Acquiring the lost mobile terminal, and then using the mobile terminal to register a location and make an outgoing call request; Determining a location registration and originating call request for the lost mobile terminal; Executing normal call processing if it is not a request for the location registration and originating call for the lost mobile terminal in the determining step; If the location registration and outgoing call request is made to the lost mobile terminal, instructing to execute an alarm sound generation service; Receiving a command for the alarm sound generating service, and transmitting an alarm sound or a unique signal sound to the lost mobile terminal; And transmitting the user's telephone number to the lost mobile terminal for display so as to return the lost mobile terminal to the original user after transmitting the alarm sound or the unique signal tone.

In addition, by setting the lock function of the mobile phone to allow the user to specify a password every time the call to prevent unauthorized use of the mobile phone by others.

However, the procedure for unsubscribing is not only complicated and inconvenient, but the duration of call termination is fixed, and if the lock function is set, the user also has to enter a password every time he makes a call. .

Therefore, in the conventional method, when a mobile phone is lost, there is a problem in that unauthorized use of the mobile phone by another person or the data stored in the mobile phone are difficult to protect.

An improved technology devised to solve this problem is a domestic patent application No. 1999-0066112, the disclosed technology relates to a method of preventing unauthorized use of a mobile phone, a) the operator system providing a normal service, b) the Determining whether the operator system satisfies the subscriber confirmation condition; c) if the determination result in step b) satisfies the subscriber confirmation condition, transmitting a subscriber confirmation message to the mobile phone; d) the operator system responds to the subscriber response. (E) determining whether the received subscriber response information is true, f) determining that the subscriber response information is true, and if the subscriber response information is not true, the service provider system is partially configured for the mobile phone. Or limiting the entire service.

In addition, the effect of the disclosed technology can prevent unauthorized use when the mobile phone is lost, data security can be maintained, and unnecessary charge disputes caused by unauthorized use can be eliminated on the operator side, and the mobile phone manufacturer can provide such functions to the mobile phone. By providing the consumer, it is possible to secure the consumer's reliability and increase the sales volume of the product.

However, the conventionally disclosed technology may prohibit a call using a mobile communication terminal when it is lost, but there is a problem that cannot prevent access to information stored in the mobile communication terminal.

Accordingly, the present invention has been made in order to solve the above problems, even if you do not have a mobile communication terminal, even if you do not have a mobile communication terminal to send a special message so that the lock function can be executed, in the case of a short-term loss of the terminal or theft of others. An object of the present invention is to provide a mobile communication terminal and a method thereof that can be prevented.

1 is a configuration diagram of a system for providing a service according to the present invention.

2 is an internal configuration diagram of a mobile communication terminal provided with a locking function using a single message according to an embodiment of the present invention.

3 is a flowchart illustrating a lock function setting process used in the present invention.

4A to 4F are screens used for the lock function setting process.

5 is a flowchart illustrating a lock function execution process applied to the present invention.

6A to 6C are screens used in the present invention.

<Explanation of symbols for the main parts of the drawings>

110: single message server 120: mobile communication switch

130: base station 140a ~ 140n: terminal

210: control unit 220: memory

230: key input unit 240: display unit

250: transceiver 260: audio unit

According to another aspect of the present invention, a control unit of a mobile communication terminal includes: a first step of receiving and storing a lock function release password through a key input unit; The control unit receives a character string to perform a lock function from the user through the key input unit and stores and receives the type of the lock function; And a third step of performing a locking function when the lock function execution string exists by analyzing the short message when the short message is received.

In addition, the second step is preferably the second step, the second step, when the user selects a single message message menu, the inbox, outbox, message arrival notification, message deletion, lock providing a menu setting menu list Step 2-1; Providing a lock function secret code input guide when the user selects the lock function setting menu; If the user inputs a secret code to perform a lock function, receiving a secret code and storing the secret code; Providing a lock function type selection screen to set a lock function to be performed; A step 2-5 of providing a lock function completion screen including a guide message when a user selects a desired menu lock from a lock function type menu provided by the user; Steps 2-6 for allowing the user who wants to select a lock function type to repeatedly perform the operations from steps 2-4 if the user selects a menu; And when the selection of the lock function type is completed, steps 2-7 of providing a lock function setting completion screen.

In addition, the third step of the present invention preferably comprises: a 3-1 step of analyzing the contents of the short message when the short message is received on the standby status screen; Determining whether the secret code matches the secret code; 3-3, if it is determined that the secret code does not match, displaying a short message; A third to fourth step of executing a locking function if it matches the secret code; And providing a lock function release screen including a lock function release guide message.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a system for providing a service according to the present invention, an SMS server (ShortMessage Service Server 110) for sending and receiving a short message (Short Massage), the message received from the SMS server 110, the base station ( And a base station 130 for radio propagating the message to the mobile terminals 140a to 140n or performing the reverse function. Of course, single-text messages can be provided via a web server, which is already open to the public.

2 is an internal configuration diagram of a mobile communication terminal provided with a locking function using a single message according to an embodiment of the present invention.

Referring to the drawings, an internal configuration of a mobile communication terminal provided with a lock function using a single message according to an embodiment of the present invention includes a control unit 210, a memory 220, a key input unit 230, and a display unit 240. And a transceiver 250 and an audio unit 260.

First, the controller 210 may control the overall operation of the digital mobile communication terminal and realize it as a one chip microprocessor.

The memory 220 stores a predetermined program for controlling the overall operation of the mobile phone, and stores data input and output and various data processed when the overall operation of the digital mobile communication terminal is performed by the controller 210.

The memory 220 stores a password for releasing the lock function from the mobile communication terminal, a string for setting the lock function, and stores the short message received from the short message server.

The key input unit 230 includes a plurality of numeric keys, and generates corresponding key data when the user presses a predetermined key and outputs the corresponding key data to the controller 210.

The display unit 240 includes a liquid crystal display for displaying various types of information, and is controlled by the controller 210 and receives and displays key data generated by the key input unit 230 and various information signals of the controller 210.

The display unit 240 may be implemented as a liquid crystal display (LCD). The audio unit 260 processes voice signals input and output through the speaker SP and the microphone MIC.

In addition, the audio unit 260 detects the ring signal through the transmitter / receiver 250 when a ring signal is generated from the base station-when a short message is received-and transmits a ring tone through a ringer. The transceiver 250 converts a radio signal received through the antenna into a signal of an intermediate frequency, converts the radio signal into a radio signal, and transmits the radio signal.

Now, with reference to Figures 1 and 2 will be described in detail a preferred embodiment of the present invention.

The user selects the lock function setting menu when the lock function setting menu is displayed on the display unit 240 while scrolling through the menu provided after selecting the menu key of the key input unit 230.

Then, the controller 210 displays the lock function release number input screen on the display unit 240 and requests to input the lock function release password.

Then, the user inputs the lock function release password using the key input unit 230 and the controller 210 receives the password from the key input unit 230 and stores the password in the memory 220.

In addition, the controller 210 provides the lock function execution string input screen to the user through the display unit 240 and requests to input the lock function execution string.

The user inputs the lock function execution string through the key input unit 230, and the controller 210 receives and stores the lock function execution string from the key input unit 230.

Meanwhile, when the user loses the mobile communication terminal, the user transmits the lock function execution string when the text message is transmitted through the other mobile communication terminal.

The lost mobile communication terminal receiving the lock function execution string from the single message server 110 via the base station 130 and the mobile communication switch 120 performs a process of checking whether the received message is a lock function execution string. .

As a result of the check, if the lock function execution string is performed, the controller 210 performs the lock function.

3 is a flowchart illustrating a lock function setting process used in the present invention, and FIGS. 4A to 4F are screens used for the lock function setting process.

First, set a password for unlocking the lock function to release the lock function in the standby state (step S110), and if you select the short message menu, as shown in Figure 4a inbox, outbox, message arrival notification, message deletion Provide a list of lock function settings menu.

When the user selects the lock function setting menu, as shown in FIG. 4B, a message “Please enter a secret code to perform the lock function” is provided, and as shown in FIG. 4C, the lock function is performed. If a secret code to be inputted, the secret code is received and stored (step S112).

Thereafter, a lock function type selection screen is provided to set a lock function to be performed, as shown in FIG. 4D. The provided screen includes a full lock, a call lock, a phone lock, a schedule lock, an international call lock, a menu lock, and the like. Provides a lock type menu.

Then, if the user selects a desired lock menu from the provided lock function type menu (for example, selects call lock), a lock function completion message as shown in FIG. 4E is displayed. A lock function completion screen is provided.

At this time, the user who wants to select a different lock function type can repeat the above process by selecting the lock function type menu, and thus can select the desired lock function type.

When the series of processes is completed, the lock function setting completion screen of FIG. 4F is provided.

5 is a flowchart illustrating a lock function execution process applied to the present invention, and FIGS. 6A to 6C are screens used in the present invention.

First, when a short message is received on the standby screen as shown in FIG. 6A (step S210), the content of the short message is analyzed (step S230) to determine whether it matches the secret code (step S230).

As a result of the determination, if it does not match the secret code, the message of receiving a single message is displayed as shown in FIG. 6B, and if it matches the secret code, the lock function is executed (step S240). It provides a lock release screen including the message.

Subsequently, when the lost mobile communication terminal is found again, the user may release the lock function by inputting the lock function release password through the key input unit.

On the other hand, the user may perform a short message using another mobile communication terminal when the mobile communication terminal is lost, or can easily send a short message by accessing a website that provides a short message delivery service.

Although the present invention has been described in detail with reference to preferred embodiments, the scope of the present invention is not limited to the specific embodiments, and should be interpreted by the appended claims.

According to the present invention as described above, even if the user of the mobile communication terminal does not have a terminal, it is effective to prevent the theft of others when the terminal is lost or left unattended by sending a special message to execute the lock function.

In addition, according to the present invention, the user can remotely lock a personal information storage function such as a phone book and a schedule other than the telephone function provided in the recent terminal, thereby preventing the leakage of personal information. There is.

Claims (8)

The control unit of the mobile communication terminal is a first step of receiving and storing the lock function release password through the key input unit; The control unit receives a character string to perform a lock function from the user through the key input unit and stores and receives the type of the lock function; And The control unit provides a lock function using a short message, comprising the third step of performing a lock function when the lock function execution string exists by analyzing the short message when the short message is received. The method of claim 1, The second step, If the user selects the short message menu, step 2-1 of providing an inbox, an outbox, a message arrival notification, a message deletion, and a lock function setting menu list; Providing a lock function secret code input guide when the user selects the lock function setting menu; If the user inputs a secret code to perform a lock function, receiving a secret code and storing the secret code; Providing a lock function type selection screen to set a lock function to be performed; A step 2-5 of providing a lock function completion screen including a guide message when the user selects a desired menu lock from a lock function type menu provided by the user; Steps 2-6 for allowing the user who wants to select a lock function type to repeatedly perform the operations from steps 2-4 if the user selects a menu; And When the selection of the lock function type is completed, the method for providing a lock function using a single message comprising the steps 2-7 of providing a lock function setting completion screen. The method of claim 2, Method for providing a lock function using a single message, characterized in that at least one or more of the type of the lock function provided in the step 2-4 full lock, call lock, international call lock, phone lock, menu lock. The method according to any one of claims 1 to 3, The third step, If the short message is received on the standby status screen, analyzing the content of the short message; Determining whether the secret code matches the secret code; 3-3, if it is determined that the secret code does not match, displaying a short message; A third to fourth step of executing a locking function if it matches the secret code; And A method for providing a lock function using a single message comprising the steps of 3-5, providing a lock function release screen including a lock function release guide message. The method of claim 4, wherein Method for providing a lock function using a single message, characterized in that the received single message in step 3-1 is sent through the single message service function of another mobile communication terminal. The method of claim 4, wherein The method of claim 3-1, wherein the received short message is sent by a web site that provides a short message sending function. Transmitting and receiving unit for wireless communication with the base station, Key input unit for the user to select a function, Display unit for showing the state or various information of the mobile device to the user, Memory for storing programs and data necessary for operation, In a mobile communication terminal having a control unit for controlling them, The memory stores a secret code to execute the lock function and a type of the lock function to be executed. And the control unit executes the lock function to be executed when the short message is matched with a secret code stored in the memory when the short message is received through the transceiver. The method of claim 7, wherein The type of the lock function to be executed is at least one or more of the entire lock, call lock, international call lock, phone lock, menu lock.