KR101236547B1 - Mobile terminal, method for controlling the mobile terminal and system for protecting private information using the same - Google Patents

Abstract

Disclosed are a mobile terminal, a method for controlling the mobile terminal, and a personal information protection system using the mobile terminal. The mobile terminal according to an embodiment of the present invention sets an operation mode of the mobile terminal to a first lock mode in response to a wipe push command received from an external server through the wireless communication unit and the wireless communication unit. And a controller configured to set the state after rebooting the mobile terminal according to the factory reset in one lock mode to either the second lock mode or the factory reset mode according to the state before the wipe push command is received. According to the present invention, an effective Lock & Wipe function can be performed.

Description

MOBILE TERMINAL, METHOD FOR CONTROLLING THE MOBILE TERMINAL AND SYSTEM FOR PROTECTING PRIVATE INFORMATION USING THE SAME}

The present invention relates to a mobile terminal, a method for controlling the mobile terminal, and a personal information protection system using the mobile terminal.

Recently, in the field of various electronic devices including mobile terminals, thanks to the rapid development of software and hardware, a wide variety of functions can be provided to users.

Therefore, there is an increasing need for the development and dissemination of various user interfaces for allowing a user to easily and efficiently control a mobile terminal that provides various and complex functions.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mobile terminal and a method of controlling the mobile terminal capable of performing an effective lock & wipe function.

In addition, an object of the present invention is to use a mobile terminal, a control method of a mobile terminal and a mobile terminal capable of preventing the leakage of personal information stored in the mobile terminal by efficiently deleting the personal information stored in the mobile terminal when the mobile terminal is lost. It is to provide a privacy system.

 In addition, an object of the present invention, when the lost mobile terminal is obtained, by efficiently recovering the deleted personal information, the mobile terminal, a method of controlling the mobile terminal and a mobile terminal that can improve the convenience of the mobile terminal user It is to provide a personal information protection system.

Another object of the present invention is to provide a mobile terminal capable of transferring a mobile terminal efficiently according to the above-described control method of a mobile terminal, a control method of a mobile terminal, and a personal information protection system using the mobile terminal.

Mobile terminal according to an aspect of the present invention, the wireless communication unit; And setting an operation mode of the mobile terminal to a first lock mode in response to a wipe push command received from an external server through the wireless communication unit, and rebooting the mobile terminal according to a factory reset in the first lock mode. And a controller configured to set a state to either the second lock mode or the factory reset mode according to a state before the wipe push command is received.

According to another aspect of the present invention, a personal information protection system using a mobile terminal includes: a first mobile terminal generating a wipe push command in response to a user request; And setting the lock mode to the first lock mode in response to the wipe push command received from the first mobile terminal, and after rebooting according to a factory reset result performed in the first lock mode, before the wipe push command is received. According to the lock mode state of the, the second mobile terminal to set the state after the reboot to the second lock mode or factory reset mode; may include.

According to still another aspect of the present invention, there is provided a method of controlling a mobile terminal, the method including: receiving a wipe push command from an external server; Setting a first lock mode releasable through the external server in response to the wipe push command; Executing a factory reset in the first lock mode; Rebooting the mobile terminal; And accessing the external server to check a lock state before the wipe push command is received, and setting the mobile terminal to either the second lock mode or the factory reset mode according to the lock state. .

Specific details of other embodiments are included in the detailed description and the drawings.

According to the mobile terminal, the control method of the mobile terminal and the personal information protection system using the mobile terminal according to an embodiment of the present invention, the following effects are obtained.

According to the present invention, an effective Lock & Wipe function can be performed for a mobile terminal.

In addition, according to the present invention, when the mobile terminal is lost, the personal information stored in the mobile terminal can be efficiently deleted to prevent leakage of the personal information stored in the mobile terminal.

 In addition, according to the present invention, when the lost mobile terminal is obtained, convenience of the mobile terminal user can be improved by efficiently recovering the deleted personal information.

In addition, according to the present invention, it is possible to transfer the mobile terminal efficiently according to the above-described control method of the mobile terminal.

1 is a diagram schematically showing a system environment to which the present invention is applied.
2 is a block diagram of a mobile terminal according to an embodiment of the present invention.
3A is a front perspective view of an example of a mobile terminal 100.
3B is a rear perspective view of the mobile terminal 100 shown in FIG. 3A.
4 is a flowchart illustrating a wipe push command message between a mobile terminal and a server according to a control method of a mobile terminal according to an embodiment of the present invention.
FIG. 5 is a block diagram illustrating the server 200 of FIG. 4 in more detail.
6 is a flowchart of a control method of a mobile terminal according to an embodiment of the present invention.
7 illustrates an example of a mobile terminal screen in a full lock mode (first lock mode).
8 illustrates an example range that can be wiped in a full lock mode (first lock mode).
9 to 10 show exemplary screens of a mobile terminal provided after a factory reset is performed in a fully locked mode (first lock mode) and rebooted according to the locked state of the mobile terminal before receiving a wipe command.
FIG. 11 is a screen of an authentication procedure for switching a mobile terminal receiving a wipe push command to a full lock mode (first lock mode).
12 is a screen illustrating an example of displaying a wipe progress state on a mobile terminal in response to a wipe push command.
13 is a screen illustrating an example of a state in which a wipe is terminated in response to a wipe push command.
14 is an example of a screen showing a history related to a full lock mode execution and a wipe execution according to a wipe push command.

The foregoing objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like numbers refer to like elements throughout. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

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 herein may include a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation terminal, and the like.

In the following embodiment, the lock mode among the operation modes of the mobile terminal is defined as follows.

The lock mode of the mobile terminal may be generally classified in various ways.

First, when the power supply to the touch screen 151 is cut off, no information is provided through the touch screen 151.

Second, power is supplied to the touch screen 151 so that predetermined information can be provided through the touch screen 151, and the lock mode can be released by another operation predetermined by an operation on the touch screen 151. It is a state.

The first lock mode may be switched to the second lock mode or released from the lock mode by a predetermined operation.

Third, on the other hand, unlike the lock mode described in the first or second, the lock mode of the mobile terminal 100 may be set through an external device of the mobile terminal (or by sending a lock signal of an external server). The locked state of the mobile terminal 100 set by an external device may not be released by an operation on the mobile terminal, and may be unlocked through the external device.

The external device may be a server that can be connected to the mobile terminal through a predetermined network. The server may include a web server. Therefore, after the user accesses the web server and undergoes a predetermined registration process associated with the mobile terminal, the user can set a lock mode for the mobile terminal through the web server, and the lock mode at this time is the first lock mode. (Or full lock mode).

Set a direct lock mode for the mobile terminal 100 using a preset password and set a lock state in which the lock state can be released using the preset password in a second lock mode (or temporary lock mode). It is called.

The lock mode described herein describes embodiments related to the first lock mode and the second lock mode. Meanwhile, since the first lock mode has the same meaning as the full lock mode, the first lock mode can be used in parallel, and the second lock mode has the same meaning as the temporary lock mode.

Meanwhile, a factory reset used in this document may be defined as follows.

"Setting factory defaults" or "resetting factory" to a mobile terminal is a function for resetting various configuration data stored in the mobile terminal memory to a factory default state. It is implemented in a mobile terminal.

For example, various personal information stored in the internal memory of the mobile terminal (eg, a call log, a phone number stored in the phone book, at least one account information for accessing the Internet, system setting information of the mobile terminal, etc.). Can be initialized and set.

It may also mean a particular standard configuration, such as a predetermined parameter set of software embedded in the mobile terminal. The parameter set may include certain specific standard network settings, such as a specific standard network address.

1 is a diagram schematically showing a system environment to which the present invention is applied.

Referring to FIG. 1, a system environment to which the present invention is applied may include a mobile terminal 100 and a server 200 performing data communication with the mobile terminal 100.

The mobile terminal 100 and the server 200 may communicate with each other by a wired or wireless communication method.

In this document, the manner in which the mobile terminal 100 and the server 200 communicate is not limited. The technical spirit of this document may be applied to all wireless communication methods between existing electronic devices and all future communication methods.

For example, the mobile terminal 100 and the server 200 may communicate with each other through a network (not shown) or by a short range communication method. Examples of the network include a mobile communication network, a wired internet, a wireless internet, and a broadcasting network.

In addition, for example, the mobile terminal 100 and the server 200 may communicate with each other by a communication method such as UPnP, DLNA, and WiFi.

Meanwhile, the server 200 may be a desk top computer, but does not exclude a second terminal different from the mobile terminal 100.

2 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 unit 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in FIG. 2 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 a broadcast signal 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. 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 may refer to a broadcast channel, a broadcast program, or information related to 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, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcasting signals using various broadcasting systems. In particular, the broadcasting receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) Only Digital Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals 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 unit 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. 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 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

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 the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. The location information module 115 may obtain location information using a global navigation satellite system (GNSS). Here, the Global Positioning System (GNSS) is a term used to describe the radionavigation satellite systems in which certain types of radionavigation receivers orbiting the Earth are transmitting reference signals that can determine their position near the surface or ground surface . The Global Positioning System (GNSS) includes Global Positioning System (GPS) in the United States, Galileo in Europe, GLONASS (Global Orbiting Navigational Satelite System) in Russia, COMPASS in China and Japan QZSS (Quasi-Zenith Satellite System), which is operated by the Ministry of Land, Infrastructure and Transport.

As a representative example of the GNSS, the location information module 115 may be a Global Position System (GPS) module. The GPS module calculates information on a distance (distance) from three or more satellites to a point (object), information on a time when the distance information is measured, and then applies a trigonometric method to the calculated distance information, Dimensional position information according to latitude, longitude, and altitude with respect to a point (object) in the three-dimensional space. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module continuously calculates the current position in real time, and calculates velocity information using the current position.

Referring to FIG. 2, the A / V 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 call 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 unit 160 or may be transmitted to the outside through the wireless communication unit 110. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

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 key pad dome switch, a touch pad (static pressure / capacitance), 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 may sense whether the slide phone is opened or closed. In addition, it may be responsible for a sensing function related to 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.

The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154, for example, for generating output related to visual, auditory, have.

The display unit 151 displays and 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, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display 3D display).

Some of these displays may be transparent or light transmissive so that they can be seen through. This may be referred to as a transparent display. A typical example of the transparent display is a transparent LCD or 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 one another, and may be disposed on different surfaces, respectively.

The display unit 151 is connected to a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') having a mutual layer structure It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

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. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

Referring to FIG. 2, a proximity sensor may be disposed in an inner region of the mobile terminal surrounded by the touch screen or near 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 photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation 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 allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding 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 sensed proximity touch operation and 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 unit 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 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a 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. Also, the sound output module 152 may output sound through the earphone jack 116. The user can connect the earphone to the earphone jack 116 to hear the sound output.

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. The video signal or the audio signal may also be output through the display unit 151 or the audio output module 152.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of vibration generated by the haptic 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 be configured to perform various functions such as an effect of stimulation by a pin arrangement vertically moving with respect to a contact skin surface, an effect of stimulation by air spraying force or suction force through a jet opening or a suction opening, A variety of tactile effects such as an effect of stimulation through contact of an electrode, an effect of stimulation by an electrostatic force, and an effect of reproducing a cold sensation using a heat absorbing or exothermic element can be generated.

The haptic module 154 may not only deliver the haptic effect through direct contact, but also implement the haptic effect through the muscle sense of the user's finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory unit 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory unit 160 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory unit 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) (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 unit 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 receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an 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.

The interface unit may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user may be transferred. It may be a passage that is delivered 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 control unit 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 an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

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 processors, controllers, micro-controllers, microprocessors, and electrical units for performing functions. In some cases, And may be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. Also, the software codes may be stored in the memory unit 160 and executed by the control unit 180. [

3A is a front perspective view of an example of a mobile terminal 100.

The mobile terminal 100 has a terminal body having a bar shape. The present invention is not limited thereto and may be applied to various structures such as a slide type, a folder type, a swing type, a swivel type, and two or more bodies are coupled to be relatively movable.

The body includes a case (casing, housing, cover, etc.) that forms an image. 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. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be manufactured by injecting a synthetic resin or may be made of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The front case 101 may include a display module 151, an audio output unit 152, a camera 121, a plurality of manipulation units 131 and 132, a microphone 122, an interface 170, and the like. have.

The display module 151 occupies most of the main surface of the front case 101. The sound output unit 152 and the camera 121 are disposed in regions adjacent to one end of both ends of the display unit 151, and the first operation unit 131 and the microphone 122 are disposed in regions adjacent to the other end. . The second operation unit 132, the interface 170, and the like are disposed on the sides 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 portable terminal 100 and may include a plurality of operation units 131 and 132. The manipulation units 131, 132 can be employed in any manner as long as the manner in which the user is manipulated while making the user feel the tactile change. For example, the manipulation units 131, 132 may include a keypad, a dome switch, a touch pad, a jog wheel, a jog switch, a trackball, a joystick, and the like.

Content input by the operation units 131 and 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

3B is a rear perspective view of the mobile terminal 100 shown in FIG. 3A.

Referring to FIG. 3B, the rear case 102 may further include a camera 121 ′. The camera 121 ′ has a photographing direction substantially opposite to the front camera 121 (see FIG. 3A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body to be rotatable or pop-up.

A flash 123 and a mirror 124 may be additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

The sound output unit 152 ′ may be further disposed on the rear surface of the rear case 102. The sound output unit 152 ′ may implement a stereo function together with the front sound output unit 152 (see FIG. 3A), and may be used to implement a speakerphone mode during a call.

The antenna for receiving a broadcast signal may be additionally disposed on the side of the body of the mobile terminal. An antenna constituting a part of the broadcast receiving module 111 of FIG. 1 may be installed to be pulled out of the mobile terminal body. Meanwhile, the side of the mobile terminal body may include an operation unit for performing a function related to an event occurring in the mobile terminal 100 when the mobile terminal 100 is accommodated in a case and is in a locked mode.

The mobile terminal body is equipped with a power supply unit 190 for supplying power to the portable terminal 100. The power supply unit 190 may be embedded in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ If the display unit 151 is configured to output visual information from both sides, the visual information may be recognized through the touch pad 135. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102.

The touch pad 135 operates in association with the display unit 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have the same or smaller size as the display unit 151.

Hereinafter, embodiments of the present invention will be described. In the present invention, for convenience of description, the display unit 151 may be assumed as the touch screen 151.

4 is a flowchart of a wipe push command message between a mobile terminal and a server according to a control method of a mobile terminal according to an embodiment of the present invention, and FIG. 5 is a block illustrating the server 200 of FIG. 4 in more detail. It is also.

4 to 5, the server 200 may transmit a wipe command to the mobile terminal 100 (S11).

The mobile terminal 100 may access the web server 210 and register the mobile terminal 100. The web server 210 may generate a wipe command signal and transmit the generated wipe command signal to the push server 220.

The push server 220 may transmit the wipe command signal to the mobile terminal 100.

In addition, the push server 220, together with the wipe command signal transmitted from the web server 210, the connection information of the mobile terminal 100, for example, IP / Port information, MAC address, ID of the mobile terminal 100 (Identifier) may be stored in the database server 230.

Meanwhile, the database server 230 may store information related to the locked state before the wipe push command signal is transmitted to the mobile terminal 100 and is switched to the full lock mode. For example, before the mobile terminal 100 is lost, the mobile terminal 100 may be set to a temporary lock mode (second lock mode) so that the lock state may be freely released according to the user's password input. If the state before the mobile terminal 100 switches (or sets) the full lock mode (first lock mode) is a temporary lock mode or a full lock mode, the lock flag may be stored as on. In addition, when the state before switching to the full lock mode (first lock mode) is a state in which no lock mode is set, the lock flag may be stored off.

The wipe push command signal transmitted from the push server 200 to the mobile terminal 100 refers to a signal for controlling the mobile terminal 100 to wipe predetermined personal information stored in the mobile terminal 100 remotely.

The wipe push command signal of the present disclosure may mean a signal having a high priority by overruleing another signal to control the operation of the network device. The wipe push command signal may be sent by a wireless remote device (eg, a push server), for example, at a higher output power than a standard control signal.

In addition, the wipe command signal may include a flag indicating its priority. Accordingly, the wipe command signal may be a signal that is preferentially processed in a wireless network to which the mobile terminal 100 is connected. That is, when the user loses the mobile terminal 100, when the user connects to the web server 210 and transmits a wipe push command signal to the mobile terminal 100 through the push server 220, the mobile terminal 100 is connected. Prior to other radio control signals for control, certain personal information stored in the mobile terminal 100 may be wiped. Accordingly, personal information leakage to the stolen mobile terminal 100 can be effectively prevented.

The mobile terminal 100 may receive the wipe push command signal and set the mobile terminal 100 to the first lock mode in response to the wipe push command signal (S12).

As described above, the first lock mode is a lock state in which the lock mode can be released only through the web server 210. The first lock mode is also referred to as a full lock mode, and before the wipe is executed for the mobile terminal 100 according to the wipe push command, the mobile terminal 100 is switched to the full lock mode and locked due to the password input. The mode can be released to proactively block motions that interfere with the wipe.

For example, before the mobile terminal 100 is lost, it may be in a temporary lock mode (second lock mode). That is, when the lock state is in a state in which the lock state can be freely released according to the user's password input, the temporary lock mode may be released by exposing the password, thereby exposing personal information. Therefore, before the password is exposed and the temporary lock mode is released, it is necessary to switch the mobile terminal 100 to the full lock mode (first lock mode).

The mobile terminal 100 may transmit the result of setting the first lock mode to the server 200 (S13).

As the shield server 240 receives the first lock mode setting result from the mobile terminal 100, the shield server 240 may store the first lock mode setting result in the database server 230. The database server 230 may store the lock flag by setting the lock flag to on for the lock mode of the mobile terminal (S14).

Subsequently, the mobile terminal 100 executes a factory reset (S15), and when the security setting information of the mobile terminal 100 is deleted, including personal information, according to the factory reset, the mobile terminal 100 transmits to the database server 230. It may be determined whether to recover the deleted personal information and security setting information based on the stored lock flag information.

The personal information may include at least one of a phone book list, a call log, a message transmission and reception record, image data, audio data, video data, system setting data of the mobile terminal, and account information related to a wireless Internet connection.

In addition, the security setting information may include ID and password information preset for the setting of the lock mode.

When the factory reset is completed for the mobile terminal 100, the mobile terminal 100 sets a lock flag on the database server 230 through its unique ID, for example, a MAC address or an international mobile equipment identity (IMEI). A value can be requested (S16). The lock flag setting value requested to the database 230 indicates whether the mobile terminal 100 is locked before the mobile terminal 100 is set to the full lock mode (first lock mode) as described above.

As a result of checking whether the mobile terminal 100 stored in the database server 230 is locked (S17), the locked state before receiving the wipe push command is set to the first lock mode (complete lock mode) or the second lock mode ( Temporary lock mode), the lock flag “on” setting value may be transmitted to the mobile terminal 100 (S18).

In the above, referring to FIGS. 4 to 5, as the mobile terminal 100 receives the wipe push command signal in the form of a push command through the push server 220, the mobile terminal 100 is set to the full lock mode (the first state). 1 lock mode), a factory reset is performed, and a message flow for confirming a lock flag setting value of a previous state stored in the server 200 after the factory reset has been described.

The operation of the mobile terminal 100 according to the lock flag “on” setting value received from the database server 230 will be described with reference to FIGS. 6 to 10.

6 is a flowchart of a control method of a mobile terminal according to an embodiment of the present invention.

7 illustrates an example of a mobile terminal screen in a full lock mode (first lock mode).

8 illustrates an example range that can be wiped in a full lock mode (first lock mode).

9 to 10 show exemplary screens of a mobile terminal provided after a factory reset is performed in a fully locked mode (first lock mode) and rebooted according to the locked state of the mobile terminal before receiving a wipe command.

6 is a flowchart of a method for controlling a mobile terminal according to an embodiment of the present invention, and FIG. 7 shows an example of a mobile terminal screen in a full lock mode (first lock mode), and FIG. Exemplary ranges that can be wiped in the lock mode (first lock mode) state are shown, and FIGS. 9 to 10 show that a factory reset is performed in the full lock mode (first lock mode) state and before a wipe command is received. Exemplary screens of the mobile terminal provided after rebooting according to the locked state of the mobile terminal are shown.

Hereinafter, a method of controlling a mobile terminal according to an embodiment of the present invention will be described with reference to necessary drawings.

Referring to FIG. 6, the mobile terminal 100 receives a wipe push command from an external server through the wireless communication unit 110 (S100).

The controller 180 switches (sets) an operation mode of the mobile terminal to a first lock mode (complete lock mode) in response to the received wipe push command (S110).

Here, in the locked state before the mobile terminal 100 receives the wipe push command from the push server (220 in FIG. 4), first, when the lock mode is not set, second, the lock mode is set, but the lock state is set. When the mode is a first lock mode (full lock mode), third, the lock mode may include a second lock mode (temporary lock mode).

Accordingly, in the first and third cases, the mobile terminal 100 switches the locked state of the mobile terminal 100 to the full lock mode (first lock mode) as the wipe push command is received. In the second case, the mobile terminal 100 may maintain the first lock mode (complete lock mode).

Referring to FIG. 7, in the full lock mode (first lock mode), the lock of the mobile terminal 100 may not be released by a user operation on the mobile terminal 100. Accordingly, the full lock mode (first lock mode) may be released only through the web server 210 of FIG. 4 that transmits the wipe push command.

Meanwhile, the user who lost the mobile terminal 100 may transmit predetermined phone number information 21 along with a wipe push command through the web server 210. That is, the person who acquires the mobile terminal 100 may be connected to the owner of the mobile terminal 100 using the additional phone number information 21.

Referring back to FIG. 6, the controller 180 can wipe (delete) at least one personal information stored in the memory 160 in the full lock mode (first lock mode). ).

The memory may include an internal SD memory card embedded in the mobile terminal 100, an external SD memory card mounted on an exterior of the mobile terminal 100, and the like.

According to the present invention, the range that the controller 180 can wipe may delete all information generated by the user. In addition, the wipe may be performed on information newly generated in the system of the mobile terminal 100, information not provided by the contents provider (CP), as well as all information requiring system access authority.

For example, referring to FIG. 8, the controller 180 may include a Contact DB, Call Log, Calendar DB, APP provided by CP, SMS / MMS DB, Media DB, Application setting DB, APP not provided by CP, and a Google account. DB, System Settting DB may be included.

When the wipe execution is completed for at least one personal information stored in the memory 160, the controller 180 executes a factory reset for the mobile terminal 100 in the first lock mode (complete lock mode). It may be (S130).

In addition, the controller 180 reboots the mobile terminal 100 when the factory reset is completed (S130).

When the mobile terminal 100 is rebooted, the controller 180 may check the lock mode of the mobile terminal 100 before the wipe command is received, in order to determine which screen to provide as the reboot initial screen after the wipe is executed. There is (S140).

To this end, even if a factory reset is performed in the fully locked mode with the server, the mobile terminal 100 may establish a connection with the server so that ID / PW and previous lock state information stored in the server (200 of FIG. 4) can be read. I can keep it.

As a result of confirming the lock mode of the previous state (S150), when the mobile terminal 100 is in the first lock mode (full lock mode) or the second lock mode (temporary lock mode) before receiving the wipe command (S150: Yes) The controller 180 may provide a reboot initial screen according to a factory reset in a second lock mode (temporary lock mode) (S143).

Referring to FIG. 9, after a reboot according to a factory reset, an initial screen in which a temporary lock mode (second lock mode) is set is shown. The controller 180 applies a preset ID / password recovered from the server 200. It can provide a temporary lock mode screen. The user may release the lock mode by inputting the preset password 22.

On the other hand, when the temporary lock mode is released, the controller 180 determines whether the data backup is performed before the wipe is executed, and when the data backup is performed, the controller 180 wipes the mobile terminal 100 by restoring the personal information data. Can be used as it is.

In addition, when the mobile terminal 100 does not have a lock mode set before the wipe command is received, the controller 180 can provide an initial screen according to a factory reset as shown in FIG. 10 (S141). ).

6 to 10 have been described with respect to the control method of the mobile terminal 100 according to an embodiment of the present invention. The control method of the mobile terminal 100 may be applied to the case where the mobile terminal 100 is lost, when the mobile terminal 100 is transferred to another person, or when the mobile terminal 100 is transferred from another person.

For example, when the mobile terminal 100 is transferred from another person, there may be a case in which the previous user does not withdraw the membership from the web server 210 of FIG. 4. In this case, in order to prevent tracking of the mobile terminal 100 due to the continuous connection between the server 200 and the mobile terminal 100 after the transfer, the factory reset is performed through the setting menu of the mobile terminal 100. In this case, the connection between the server 200 to which the previous user is connected and the mobile terminal 100 may be disconnected. Accordingly, smooth mobile terminal transfer is possible.

On the other hand, according to an embodiment of the present invention, it is possible to build a personal information protection system using a mobile terminal.

On the privacy system, a series of operations, such as receiving a wipe push command through a push server, entering a fully locked mode, executing a wipe operation, and the like, may be provided on the screen through the web. .

When the personal information protection system includes a mobile terminal and a web server, the series of operations may be provided through a screen of the terminal connected to the web.

FIG. 11 is a screen illustrating an authentication procedure for switching a mobile terminal that has received a wipe push command to a full lock mode (first lock mode), and FIG. 12 illustrates a wipe progress state on the mobile terminal in response to a wipe push command. 13 is a screen illustrating an example of a state in which a wipe is terminated in response to a wipe push command. This is an example of a screen that shows related history.

The personal information protection system may include at least two or more electronic devices, for example, a first mobile terminal and a second mobile terminal.

Referring to FIG. 11, the first mobile terminal may generate a wipe push command in response to a user request and transmit the wipe push command to the second mobile terminal.

The first mobile terminal may transmit a wipe push command to the second mobile terminal by executing a predetermined application capable of transmitting a wipe push command to the second mobile terminal or by connecting to a predetermined web server.

The first mobile terminal checks the lock state of the second mobile terminal before performing a wipe operation with respect to the second mobile terminal through the wipe push command, and the lock state is set to the complete lock mode (first lock mode). If not, the second mobile terminal may be switched (set) to the full lock mode.

When the first mobile terminal is connected to a predetermined web server, by synchronizing with the second mobile terminal through the web, data of the second mobile terminal may be backed up before performing a wipe of the second mobile terminal.

Further, the second mobile terminal performs a factory reset in the first lock mode (complete lock mode), reboots the second mobile terminal, and then after the reboot according to the lock mode state before the wipe push command is received. The screen may provide either the second lock mode screen or the factory reset mode screen.

Also, the second mobile terminal may perform a wipe operation of deleting at least one personal information stored in a memory before the factory reset is executed.

In addition, in the first mobile terminal, the wipe progress state on the second mobile terminal is connected (interlocked) with the second mobile terminal through a predetermined graphic object (for example, a wipe progressive bar) as shown in FIG. 12. You can check it.

In addition, the first mobile terminal may stop the wipe performed in the second mobile terminal in the middle.

Referring to FIG. 13, when the wipe operation for the second mobile terminal is completed, the first mobile terminal may provide that the wipe operation is completed on the screen of the first mobile terminal.

On the other hand, the first mobile terminal until the second mobile terminal is set to the temporary lock mode (second lock mode) after the factory reset execution from the complete lock mode (first lock mode) setting for the second mobile terminal It can provide a history of In addition, the history may be provided on the screen of the second mobile terminal, as shown in FIG. 14.

The above-described method of controlling a mobile terminal according to the present invention can be provided by being recorded in a computer-readable recording medium as a program for execution in a computer.

The control method of the mobile terminal according to the present invention can be executed through software. When implemented in software, the constituent means of the present invention are code segments that perform the necessary work. The program or code segments may be stored on a processor readable medium or transmitted by a computer data signal coupled with a carrier on a transmission medium or network.

A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording device include a ROM, a RAM, a CD-ROM, a DVD 占 ROM, a DVD-RAM, a magnetic tape, a floppy disk, a hard disk, The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed manner.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings. In addition, the embodiments described in this document may not be limitedly applied, but may be configured by selectively combining all or part of the embodiments so that various modifications may be made.

100: mobile terminal 151: touch screen
180: control unit 200: external server
210: web server 220: push server

Claims (13)

A wireless communication unit; And
In response to a wipe push command received from an external server through the wireless communication unit, set an operation mode of the mobile terminal to a first lock mode, and a state after rebooting of the mobile terminal according to a factory reset in the first lock mode. And a controller configured to set one of a second lock mode and a factory reset mode according to a lock state before the wipe push command is received.
And the first lock mode is a lock state that can be released through the external server, and the second lock mode is a lock state that can be released as a preset password is input. delete The method of claim 1,
Further comprising a memory for storing at least one personal information,
The controller is configured to delete personal information stored in the memory in the first lock mode in response to the wipe push command. The method of claim 3, wherein
And the memory comprises at least one of an internal SD memory card and an external SD memory card. The method of claim 3, wherein
The personal information includes at least one of a phone book list, a call log, a message transmission record, image data, audio data, video data, system setting data of the mobile terminal, and account information associated with a wireless Internet connection. terminal. The method of claim 1,
And a display unit,
The control unit may recover information related to the lock state before the wipe push command is received after rebooting the mobile terminal, and display the screen related to the lock state before the wipe push command is received on the display unit. Mobile terminal. The method according to claim 6,
The control unit,
If the state before the wipe push command is one of the first lock mode or the second lock mode, the state after the reboot is set to the second lock mode, and a preset password according to the second lock mode. And displaying a screen for input on the display unit. The method according to claim 6,
The control unit,
When the state before the wipe push command is in the unlocked state, the state after the reboot is set to the state after the factory reset, characterized in that the factory defaults (factory defaults) screen to display on the display terminal. The method according to claim 6,
The control unit, after recovering the information related to the lock state before the wipe push command is received, the mobile terminal, characterized in that for maintaining the connection with the external server. A first mobile terminal generating a wipe push command in response to a user request; And
In response to the wipe push command received from the first mobile terminal, the lock mode is set to the first lock mode, and after rebooting according to a factory reset result performed in the first lock mode, before the wipe push command is received. A second mobile terminal configured to set the state after the reboot to a second lock mode or a factory reset mode according to the lock mode state;
The first lock mode is a lock state that can be released through an external server, and the second lock mode is a lock state that can be released as a preset password is input. 11. The method of claim 10,
The second mobile terminal deletes at least one personal information stored in a memory before the factory reset performed in the first lock mode is executed.
The first mobile terminal, the personal information protection system using a mobile terminal, characterized in that for displaying the progress of the deletion of the personal information in the second mobile terminal as a predetermined graphic object on the display. Receiving a wipe push command from an external server;
Setting a first lock mode releasable through the external server in response to the wipe push command;
Executing a factory reset in the first lock mode;
Rebooting the mobile terminal; And
Accessing the external server to check a lock state before the wipe push command is received, and setting the mobile terminal to one of a second lock mode and a factory reset mode according to the lock state;
And the first lock mode is a lock state that can be released through the external server, and the second lock mode is a lock state that can be released when a preset password is input. delete

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