KR101978213B1 - Mobile terminal and method for controlling mobile terminal - Google Patents

Abstract

A mobile terminal according to an exemplary embodiment of the present invention receives a lock function activation signal and contact information from an external server through a display unit, a wireless communication unit, and a wireless communication unit, and when a lock screen is displayed on the display unit, And a control unit for controlling the display unit to display a lock screen including the object.

Description

TECHNICAL FIELD [0001] The present invention relates to a mobile terminal and a method for controlling the mobile terminal. [0002] MOBILE TERMINAL AND METHOD FOR CONTROLLING MOBILE TERMINAL [

The present invention relates to a mobile terminal for displaying contact information on a lock screen.

A terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

In recent years, as mobile terminals have become smaller and easier to carry, the possibility of loss has increased, and thus the risk of users is increasing. For example, when the mobile terminal is lost, unreasonable charging may occur due to the indiscreet use of the user who has acquired the mobile terminal. Also, since the mobile terminal stores the personal information of the user, the personal information may be exposed to other users having a malicious purpose.

Accordingly, in the past, when the mobile terminal is lost, a user directly receives the lost report to the service provider and provides a method of stopping or canceling the lost mobile terminal.

However, this method can prevent the charging from occurring and can not easily return the mobile terminal to the original user.

It is an object of the present invention to provide a mobile terminal and a control method thereof, which can easily retrieve a mobile terminal by a first user of the mobile terminal.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

In order to achieve the above object, a mobile terminal according to an exemplary embodiment of the present invention receives a lock function activation signal and contact information from an external server through a display unit, a wireless communication unit, and a wireless communication unit, And a control unit for controlling the display unit to display a lock screen including an object for contacting the contact information.

At this time, the lock screen includes an unlocking means, and when the unlocking of the lock screen through the unlocking means fails, a lock screen including the object can be displayed.

The mobile terminal may further include a camera, and the control unit may photograph the camera with the camera when the unlocking of the lock screen through the unlocking unit fails, and transmit the captured image to the external server through the wireless communication unit.

When the object is selected, the call can be started with the contact information.

Here, the contact information may include a telephone number, an e-mail address, or a web page address.

A method for controlling a mobile terminal according to an exemplary embodiment of the present invention includes receiving a lock function activation signal and contact information from an external server and controlling the contact information in response to a lock function activation signal, And adding the object to the lock screen.

The effect of the mobile terminal according to the present invention will be described below.

According to at least one embodiment of the present invention, when a mobile terminal is lost, an owner of the mobile terminal can easily contact the original user of the mobile terminal.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a front perspective view of a mobile terminal according to an embodiment of the present invention.
3 is an exemplary view illustrating a mobile terminal control server connected to a mobile terminal according to an embodiment of the present invention through a wireless communication network.
4 is a flowchart illustrating a method of controlling a mobile terminal according to an embodiment of the present invention.
5 is an exemplary view showing a lock screen according to the first embodiment of the present invention.
6 is an exemplary view showing a lock screen according to a second embodiment of the present invention.

Hereinafter, a mobile terminal related to the present invention will be described in detail with reference to the drawings. The suffix " module " and " part " for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), navigation and the like. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. Two or more broadcast receiving modules may be provided to the mobile terminal 100 for simultaneous broadcast reception or broadcast channel switching for at least two broadcast channels.

The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information means information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only (Mobile Broadcasting Business Management System), ISDB-T (Integrated Services Digital Broadcasting (ISDB-T)), Digital Multimedia Broadcasting (MBMS) Digital Broadcast-Terrestrial) or the like. Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 may be coupled to a base station, an external terminal, or a server on a mobile communication network, such as, but not limited to, Gobal System for Mobile communications (GSM), Code Division Multiple Access (CDMA), Wideband CDMA Transmits and receives wireless signals with one. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. Wireless Internet technologies include WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), GSM, CDMA, WCDMA, LTE Evolution (but not limited to) may be used.

The wireless Internet module 113, which performs wireless Internet access through the mobile communication network, is connected to the mobile communication module 110 through the mobile communication network, for example, from the viewpoint that the wireless Internet access by Wibro, HSDPA, GSM, CDMA, WCDMA, LTE, (112).

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module. According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites, and then applies trigonometry to the calculated information to obtain a three-dimensional string of latitude, longitude, The location information can be accurately calculated. At present, a method of calculating position and time information using three satellites and correcting an error of the calculated position and time information using another satellite is widely used. In addition, the GPS module 115 can calculate speed information by continuously calculating the current position in real time.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a button 136 and a touch sensor (static pressure / static electricity) 137 located on the front, back, or side of the mobile terminal 100, and may include a key pad ), A dome switch, a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141. (The proximity sensor will be described later).

The output unit 150 is for generating output related to the visual, auditory or tactile sense and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display display, and a 3D display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

In the case where the display unit 151 and the touch sensor 137 have a mutual layer structure or are integrally formed (hereinafter referred to as a 'touch screen'), the display unit 151 may be used as an input device . The touch sensor may be stacked on the display unit 151 to form a layer structure when the touch sensor has a form of a touch film, a touch sheet, a touch pad, or the like. ≪ / RTI >

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller (not shown). The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

The proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is enclosed by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as " proximity touch " The act of actually contacting the pointer on the touch screen may be referred to as " contact touch. &Quot; The location where the pointer is proximately touched on the touch screen may refer to a position where the pointer corresponds vertically to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. In this case, the display unit 151 and the sound / voice output module 152 may be a kind of the alarm unit 153. The display unit 151 and the sound / . ≪ / RTI >

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. At least two haptic modules 154 may be provided according to the configuration of the mobile terminal 100.

The memory unit 160 may store a program for processing and controlling the control unit 180 and temporarily store the input / output data (e.g., telephone directory, message, audio, For example. The memory unit 160 may store the frequency of use of each of the data (for example, each telephone number, each message, and frequency of use for each multimedia).

In addition, the memory unit 160 may store data on vibration and sound of various patterns output when the touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the mobile terminal 100, or various command signals input by the user to the cradle may be transmitted It can be a passage to be transmitted to the terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components. The power supply unit 190 may include, for example, a battery, a connection port, a power supply control unit, and a charge monitoring unit.

The battery may be an internal battery configured to be chargeable, and may be detachably coupled to the terminal body for charging or the like. The connection port may be configured as an example of an interface 170 through which an external charger for supplying power for charging the battery is electrically connected.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of a processor, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, The embodiments described may be implemented by the control unit 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

FIG. 2 is a perspective view of a mobile terminal or a portable terminal according to the present invention, as viewed from the front.

The disclosed mobile terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

The body of the mobile terminal 100 includes a casing 101, 102, In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102.

A component such as a USIM card and a memory card, such as an auxiliary storage medium 165, which may be detached, may include an opening in the case so as to be inserted into the case from the outside. Slots may be formed on the side of the case so that the auxiliary storage medium 165 may be inserted from the side of the mobile terminal 100 and card slots 166 and 167 may be formed on the surface of the rear case 102 It is possible.

The cases 101, 102, and 103 may be formed by injection molding synthetic resin or may be formed of a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, and the interface 170 may be disposed in the terminal cases 101 and 102.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 152 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102. [

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131, 132, and 133. The operation units 131, 132, and 133 may be collectively referred to as a manipulating portion.

The contents inputted by the first or second operation unit 131 or 132 may be variously set. For example, the first operation unit 131 receives a command such as start, end, scroll, and the like, and the second operation unit 132 inputs a command such as adjustment of the sound output from the sound output unit 152 And the third operation unit 133 can receive commands such as activation / deactivation of the touch recognition mode of the display unit 151 and the like.

In addition to the display unit 151, the operation units 131, 132, and 133 may be provided with touch sensors, It is also possible to receive a command of the user by touch alone.

Meanwhile, the user may activate the locking function so that the user can not control the mobile terminal 100 because the user may lose the mobile terminal 100. However, there is a risk that the mobile terminal 100, which is not set to activate the lock function by the user, can be used by the acquiring person.

Accordingly, the user can activate the locking function of the mobile terminal 100 through the server connected to the mobile terminal 100 by wireless communication. This will be described with reference to FIG.

3 is a diagram illustrating an example of a mobile terminal control server 200 connected to a mobile terminal 100 and a wireless communication network 300 according to an embodiment of the present invention. As shown, a mobile terminal control server 200 (hereinafter, referred to as a "DM server") can be connected to the mobile terminal 100 through a wireless communication network 300.

The user can access the DM server 200 through the personal computer or the call service center and request the setting change to the mobile terminal 100. [ The DM server 200 may transmit a signal related to the setting change to the mobile terminal 100 in response to a user request. Then, the mobile terminal 100 can change the setting of the mobile terminal 100 according to the signal received from the DM server 200. [

For example, the DM server 200 can transmit a new program to the mobile terminal 100 and install the new program in the mobile terminal 100. In addition, a program installed in the mobile terminal 100 may be updated.

As another example, the DM server 200 may inquire the position of the mobile terminal 100 or may transmit a signal to activate the locking function of the mobile terminal 100. [

In this regard, a method of activating the locking function of the mobile terminal 100 will be described with reference to Fig.

4 is a flowchart illustrating a method of controlling a mobile terminal according to an embodiment of the present invention. As shown, the control unit 180 receives a signal for activating the locking function of the mobile terminal 100 from the DM server and contact information of the user of the mobile terminal 100 through the wireless communication unit 110 (S410) .

For example, the user can access the DM server 200 through the personal computer or the call service center, and input the contact information to be displayed on the lost mobile terminal 100 to the DM server 200. [ Then, the DM server 200 can transmit the signal for activating the locking function of the mobile terminal 100 and the contact information to the mobile terminal 100 together.

Next, the mobile terminal 100 enters the lock state according to the received lock function activation signal (S420).

When the mobile terminal 100 is in the locked state, it may restrict the function of part or all of the mobile terminal.

For example, when the mobile terminal 100 is locked, the personal information stored in the SIM card inserted in the mobile terminal 100 may be encrypted or discarded. Of course, at this time, all of the personal information stored on the SIM card can be encrypted or discarded, and selectively encrypted or discarded according to user settings.

As another example, the control unit 180 may disable the initialization signal input / output pin for the SIM card insertion unit to process the mobile terminal 100 so that the SIM card is not recognized.

However, the mobile terminal 100 according to the embodiment of the present invention does not process the SIM card so that the SIM card is not recognized when the lock function activation signal is received, and displays a screen (hereinafter referred to as a lock screen) (S420).

The lock screen 510 may include an unlocking means. The unlocking means may include a password inputting method or a pattern inputting method.

The pattern input method refers to a method of receiving and releasing an input of a user corresponding to a pattern previously stored in the memory unit 160. The case where the unlocking means is the pattern inputting method will be described later with reference to Fig.

The password input method is a method for releasing the lock state by receiving user input corresponding to each unit constituting the password stored in the memory unit 160. For example, the user input may be a character, a number, .

For example, when the password is set to '123', the user can enter '1', '2' or '3' in order to cancel the locked state of the mobile terminal 100. When the input of another number, character, touch input or the like not included in the password is received by the user, the locked state of the mobile terminal 100 is maintained, and the mobile terminal 100 receives an input for releasing the locked state again from the user can do. The case where the unlocking means is the cipher inputting method will be described later with reference to Fig.

Then, the mobile terminal 180 adds a contact object such as a phone number, an address, or an e-mail address to the displayed lock screen 500 (S430).

At this time, the contact information may be the contact information received from the DM server 200, or a contact displayed by activation of the lock function among the pre-stored contacts as the lock function activation signal is received from the DM server 200. [

The contact object added to the lock screen may be an object for directly displaying the received contact information, or may be an object for initiating a call with the received contact information.

Thereby, the mobile terminal 100 enters the lock state by the lock function activation signal, and can display the lock screen including the contact object.

Hereinafter, a lock screen including a contact object displayed on the display unit 151 will be described with reference to FIG.

5 is an exemplary view showing a lock screen 500 according to the first embodiment of the present invention. As shown in FIG. 5 (a), an indicator area 502 may be displayed in an upper area of the lock screen 500. The indicator area 502 is an area that briefly shows various operating states of the mobile terminal 100 such as a wireless signal reception sensitivity, a touch recognition area specific mode entry state, and a battery remaining amount.

Then, the unlocking means 504 and the object 508 for initiating the call as the emergency contact can be displayed in the remaining area except for the indicator area 502. As shown in the figure, the unlocking means 504 is a pattern input method, and the locked state of the mobile terminal 100 can be released by an input of a user connecting each of the nine points.

5 (b), when the user does not input the pre-stored pattern in the unlocking means 504, the mobile terminal 100 displays the contact objects 510, 512, 514) or an object 516 indicating contact information.

In a first example, when the received contact information is a telephone number, the control unit 180 transmits an SMS message or an MMS message to the object 500, An object 512 can be added.

The control unit 180 can transmit a call signal to the telephone number even if the object 510 to be originated from the telephone number is selected. In other words, some of the functions for communicating with the telephone number may be unlocked.

When an object 512 for transmitting an SMS message or an MMS message is selected as a phone number, a pop-up window or a message transmission screen for transmitting a message may be displayed. The restriction of the function of transmitting the message to the telephone number can be released while the restriction of other functions is maintained.

In a second example, if the received contact information is an email address, the control unit 180 may add an object 524 for transmitting an email to the email address on the lock screen 500.

In a third example, the control unit 180 may add an object 516 to display the received contact information.

The lock screen 500 including the contact objects 510, 512, 514 and 516 may be displayed when the input received from the unlocking means 504 does not match the pre-stored pattern, Upon receiving the lock function activation signal, a lock screen 500 including the contact object 510, 512, 514, 516 may be displayed when the mobile terminal 100 enters the lock state.

The control unit 180 may add the contact objects 510, 512, 514, and 516 to the lock screen 500 when the number of unlock attempts attempted by the unlock means 504 exceeds a predetermined number of times.

Next, referring to Fig. 6, a method of displaying a lock screen for displaying a contact object when the unlocking means is a password inputting method will be described.

6 is an exemplary view showing a lock screen 600 according to a second embodiment of the present invention. As shown in FIG. 6 (a), the lock screen 600 may display a password input window 602 and an unlocking means 604 by a password input method. The password input window 602 is an area for indicating how many digits are being input.

In the lock screen 600, an object 606 for initiating a call as an emergency contact and an object 608 for initiating a call as contact information can be displayed. At this time, it is assumed that the contact information is a telephone number.

Accordingly, the person who has acquired the mobile terminal 100 can select the object 608 displayed on the lock screen 600 and call the received phone number.

6 (b), when the user does not input the password stored in the lock releasing means 604, the mobile terminal 100 displays an object 610) can be additionally displayed.

Also, the mobile terminal 100 may display a phrase in the password input window 602 to notify that it does not match the pre-stored password.

On the other hand, if the number of unlock attempts inputted to the unlocking means 504 exceeds a predetermined number, the control unit 180 may drive the camera 121 to transmit the photographed image to the DM server 200. [

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present invention described above can be embodied as computer-readable codes on a medium on which a program is recorded. The computer readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of the computer-readable medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and also implemented in the form of a carrier wave (for example, transmission over the Internet) . Also, the computer may include a control unit 180 of the terminal.

Accordingly, the above description should not be construed in a limiting sense in all respects and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

100: mobile terminal 110: wireless communication unit
120: A / V input / output unit 130: user input unit
140: sensing unit 150: output unit
160: memory 170: interface section
180: control unit 190: power supply unit

Claims (6)

An insertion unit into which a SIM (Subscriber Identify Module) card storing personal information is inserted;
A wireless communication unit for receiving a lock function activation signal and contact information from an external server together;
A touch screen for displaying a lock screen including an unlocking means for inputting an unlocking touch pattern when the activation signal and the contact information are received and enter a lock state; And
And a controller for displaying a contact object for making contact with the received contact information on the lock screen when the touch pattern inputted from the lock releasing means does not coincide with the registered touch pattern a predetermined number of times or more,
Wherein the contact object includes a first object for initiating a call to a telephone number corresponding to the received contact information and a second object for transmitting a message to the telephone number,
Wherein,
And disables the initialization signal input / output pin for the insertion unit so that the SIM card stored with the personal information is not recognized when the locking state is entered. delete The method according to claim 1,
Further comprising a camera,
Wherein the control unit photographs through the camera when the unlocking of the lock screen fails through the unlocking unit and transmits the captured image to the external server through the wireless communication unit. delete delete delete

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