KR20120081886A - Mobile terminal and method for unlocking thereof - Google Patents

Abstract

PURPOSE: A mobile terminal and a method for unlocking the same are provided to offer various types of terminal locking function. CONSTITUTION: If an unlocking command is received, a control unit displays various types of locking screens on a display unit(S102,S103). The control unit receives the selection of one or more locking screens among the lots of locking screens(S104). If the locking screen is selected in a preset sequence, the control unit performs locking mode release function(S105,S106).

Description

Mobile terminal and how to unlock it {MOBILE TERMINAL AND METHOD FOR UNLOCKING THEREOF}

The present invention relates to a mobile terminal for releasing a terminal lock using a plurality of lock screens and a method for releasing its lock.

Terminals such as personal computers, laptops, mobile phones, etc. [Internet network VS base station] are diversified in function, for example, taking pictures or videos, playing music or video files, playing games, receiving broadcasts, etc. It is implemented in the form of a multimedia player with multimedia functions.

Terminals may be divided into mobile terminals and stationary terminals according to their mobility. The mobile terminal may be further classified into a handheld terminal and a vehicle mount terminal according to whether a user can directly carry it.

For functional support and enhancement of the terminal, it may be considered to improve the structural and / or software part of the terminal.

In general, the terminal provides a locking function using a password or a pattern setting for security.

The present invention provides a mobile terminal for releasing a terminal lock using a plurality of lock screens and a method of releasing the lock thereof.

According to another aspect of the present invention, there is provided a method of unlocking a mobile terminal, the method comprising: displaying a plurality of lock screens upon receiving a lock release command, and selecting at least one lock screen among the plurality of lock screens; And canceling the lock mode based on the selected lock screen.

In addition, a method of unlocking a mobile terminal according to another embodiment of the present invention may include displaying a plurality of lock screens when a lock release command is received in a lock mode, and selecting one of the plurality of lock screens. And after selecting the lock screen, requesting a password input, receiving a password from the outside according to the password input request, checking whether the selected lock screen and the received password match preset information; Canceling the lock mode according to the verification result.

The mobile terminal according to an embodiment of the present invention displays a plurality of lock screens when a user input unit for generating input data for controlling operation of a terminal and a lock button input of the user input unit are detected, and the displayed plurality of lock screens. It includes a control unit to release the lock mode by utilizing.

The mobile terminal according to at least one embodiment of the present invention configured as described above may provide various types of terminal locking functions using a plurality of lock screens.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
Figure 2 is a front perspective view of a mobile terminal according to an embodiment of the present invention.
Figure 3 is a rear perspective view of a mobile terminal according to an embodiment of the present invention.
4 is a flowchart illustrating a screen lock release method of a mobile terminal according to a first embodiment of the present invention.
5 is an example of selecting lock screens in a mobile terminal according to the embodiment of FIG. 4;
6 is a flowchart illustrating a method of unlocking a mobile terminal according to a second embodiment of the present invention.
7 is an example of unlocking in a mobile terminal according to the embodiment of FIG. 6;
8 is an example in which the mobile terminal according to the third embodiment of the present invention performs multiple lock releases.
9 is an example in which the mobile terminal associated with the fourth embodiment of the present invention releases the lock by inputting a password.

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 laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, and the like. However, it will be readily apparent to those skilled in the art that the configuration according to the embodiments described herein may also be applied to fixed terminals such as digital TVs, desktop computers, and the like, except when applicable only to mobile terminals.

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 A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, and an interface. The unit 170, the controller 180, and the power supply unit 190 may be included. The components shown in FIG. 1 are not essential, so that 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 that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a 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 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H). Digital broadcast signals can be received using digital broadcasting systems such as Handheld and Integrated Services Digital Broadcast-Terrestrial (ISDB-T). 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 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 may be embedded or external to the mobile terminal 100. 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 a short range communication technology.

The location information module 115 is a module for obtaining a location of a mobile terminal, and a representative example thereof is a GPS (Global Position System) module.

Referring to FIG. 1, 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 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 key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

The sensing unit 140 detects the current state of the mobile terminal 100 such as the open / closed 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, the acceleration / deceleration of the mobile terminal, and the like. To generate a sensing signal for controlling the operation of the mobile terminal 100. For example, if 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, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. The sensing unit 140 may include a proximity sensor 141.

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 a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a shooting mode, the mobile terminal 100 displays a photographed and / or received image, a UI, or a GUI.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of 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 configured as a light transmissive structure. 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.

Two or more display units 151 may exist according to the implementation form of the mobile terminal 100. For example, a plurality of display units may be spaced apart or integrally disposed on one surface of the mobile terminal 100, or may be disposed on different surfaces.

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 151 may be configured in addition to an output device. 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. 1, a proximity sensor 141 may be disposed in an inner region of a 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 detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The sound 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, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output module 152 may also output a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed by 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 occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. 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 be output through the display unit 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153.

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 vibration, the haptic module 154 may be configured to provide a pin array that vertically moves with respect to the contact skin surface, a jetting force or suction force of air through an injection or inlet port, grazing to the skin surface, contact of an electrode, electrostatic force, and the like. Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endotherm or heat generation.

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. The haptic module 154 may be provided with two or more according to the configuration aspect of the mobile terminal 100.

The memory 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 160 may store data relating to various patterns of vibration and sound output when a touch input on the touch screen is performed.

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 passage with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits the data inside 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 that stores various types of information for authenticating the use authority of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identification module (SIM), and a universal user authentication module ( 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 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 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 include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the controller 180 itself.

According to the software implementation, embodiments such as the procedures and functions described herein may be implemented as 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 may be stored in the memory 160 and executed by the controller 180.

2 is a perspective view of an example of a mobile terminal according to the present invention viewed from the front.

The disclosed mobile terminal 100 has a terminal body in the form of a bar. 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 includes a case (a casing, a housing, a cover, and the like) which forms an appearance. 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. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

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

The display unit 151, the audio 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 body, mainly the front case 101. have.

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 manipulated to receive a command for controlling the operation of the mobile terminal 100, and may include a plurality of manipulation units 131 and 132. The manipulation units 131 and 132 may also be collectively referred to as manipulating portions, and may be employed in any manner as long as the user operates the tactile manner with a tactile feeling.

Content input by the first or second manipulation 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.

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

Referring to FIG. 3, a camera 121 ′ may be additionally mounted on the rear of the terminal body, that is, the rear case 102. The camera 121 ′ has a photographing direction substantially opposite to that of the camera 121 (see FIG. 2), 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 so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are further 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 see his / her own face or the like when photographing (self-photographing) the user using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 ′ may implement a stereo function together with the sound output unit 152 (see FIG. 2), and may be used to implement a speakerphone mode during a call.

In addition to the antenna for talking and the like, a broadcast signal reception antenna 116 may be additionally disposed on the side of the terminal body. The antenna 116, which forms part of the broadcast receiving module 111 (see FIG. 1), can be installed to be able to be drawn out from the terminal body.

The terminal body is equipped with a power supply unit 190 for supplying power to the mobile 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. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. 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 as well.

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 a size equal to or smaller than that of the display unit 151.

4 is a flowchart illustrating a screen lock release method of a mobile terminal according to the first embodiment of the present invention, and FIG. 5 illustrates an example of selecting lock screens in the mobile terminal according to the embodiment of FIG.

Referring to the drawings, the controller 180 of the mobile terminal 100 controls the power supply unit 190 when there is no input for a predetermined time or the lock button of the user input unit 130 is input while using the mobile terminal 100. The power supplied to the display unit 151 is cut off and set to the lock mode (S101).

When the user presses the lock button in the lock mode, the controller 180 senses an input of the lock button, controls the power supply unit 190 to supply power to the display unit 151 (S102). In other words, upon receiving the unlock command, the controller 180 supplies power to the display unit 151.

The controller 180 displays at least one lock screen on the display unit screen (S103). The lock screen may be screen information or an execution screen of an application provided from a terminal connected to the mobile terminal 100 through a DLNA (Digital Living Network Alliance) network. For example, when a terminal such as a personal computer, a TV, a camera, or the like is connected to the mobile terminal 100 using a DLNA network, the mobile terminal 100 may display screen information displayed on the display screen of the connected terminals. The player screen for playing the media content transmitted from the connected terminal is displayed in the form of a thumbnail.

The controller 180 selects at least one lock screen among lock screens displayed on the display screen according to a user input in operation S104. For example, as shown in FIG. 5, when a plurality of lock screens are displayed in thumbnail form, the controller 180 records a lock screen selected by the user and a lock screen selection order.

The controller 180 checks whether the selected lock screen and the lock screen selection order match predetermined information (S105).

As a result of the check, if the selected lock screen and the lock screen selection order match the preset information, the controller 180 releases the screen lock (S106).

On the other hand, if the selected lock screen and the lock screen selection order is inconsistent with the predetermined information, the controller 180 outputs a notification signal indicating the mismatch (S107). The notification signal may be output as a sound effect and / or a message.

In the present embodiment, the selection of the predetermined lock screens in order has been described. However, the unlocking may be performed through at least two lock screen combinations. For example, when two or more predetermined screens among a plurality of lock screens are selected, the controller 180 releases the lock.

6 is a flowchart illustrating a method of unlocking a mobile terminal according to a second embodiment of the present invention.

First, the controller 180 of the mobile terminal 100 controls the power supply unit 190 when no input or a lock button is input for a predetermined time while using the mobile terminal 100 to supply power to the display unit 151. Block and set to the lock mode (S201).

When the user presses the lock button in the lock mode, the controller 180 senses an input of the lock button, controls the power supply unit 190 to supply power to the display unit 151 (S202).

In addition, the controller 180 displays a plurality of lock screens on the display unit screen (S203).

When at least one lock screen among the plurality of lock screens is selected, the controller 180 enlarges and displays the selected lock screen on the entire display screen and requests a password input (S204 and S205).

When the user inputs a password in response to the password input request, the controller 180 checks whether the input password and the selected lock screen match the preset lock setting information (S206 and S207).

As a result of the check, if the input password and the selected lock screen match the preset lock setting information, the controller 180 releases the screen lock (S208).

Meanwhile, when the input password and / or the selected lock screen are inconsistent with preset lock setting information, the controller 180 notifies that the input password and the selected lock screen do not match preset lock setting information. To output (S209). In this case, the controller 180 may request to input the password or / and select the lock screen again after outputting the notification signal.

FIG. 7 illustrates an example of unlocking a mobile terminal according to the embodiment of FIG. 6.

First, when the lock button is pressed while the power supply to the display unit 151 is cut off, the controller 180 supplies power to the display unit 151 and displays a plurality of lock screens on the display unit 151 ( a). If a predetermined screen among a plurality of lock screens displayed on the display unit 151 is selected by a user, the controller 180 requests a password input. When the user inputs a password in response to the password input request, the controller 180 checks whether the selected predetermined screen is a screen that can be unlocked, and checks whether the password input by the user matches a preset password.

Meanwhile, when the selected predetermined screen is a lockable screen or the received password is inconsistent with the preset password, the controller 180 outputs a notification signal (eg, a sound effect or a message) informing of this. Here, when the selected predetermined screen is a screen that cannot be unlocked, the controller 180 does not release the lock mode even if the user inputs the correct password in the selected predetermined screen.

After outputting the notification signal, the controller 180 may reselect a predetermined lock screen or re-enter a password according to a user input. For example, as illustrated in FIG. 7B, a predetermined lock screen among a plurality of lock screens is reselected through a touch and drag input on the previously selected lock screen. In this case, the controller 180 displays the lock screen next to the lock screen displayed on the display screen according to the touch and drag input (c). If there is no touch and drag input for a predetermined time while displaying the next lock screen, the controller 180 requests a password input.

If the reselected predetermined lock screen is a lockable screen and the received password matches a preset password, the controller 180 releases the lock mode.

8 illustrates an example in which the mobile terminal according to the third embodiment of the present invention performs multiple unlocking. In the present embodiment, a case where a lock mode is set for each screen of other terminals connected through a DLNA network will be described as an example.

When the control unit 180 of the mobile terminal 100 detects the input of the lock button while the power supplied to the display unit 151 is cut off, the lock screens of the terminals connected to the DLNA network are displayed as thumbnails in one area of the display screen. (A). The display screen includes an area 210 for displaying the lock screens and an unlock board 220.

When a predetermined lock screen is selected among the lock screens and the selected lock screen is moved to the lock release board 220, the controller 180 performs a lock release operation on the selected lock screen. For example, the controller 180 of the mobile terminal 100 displays the mobile terminal screen, a TV screen, a personal computer screen, and the like in a thumbnail form. When the TV screen is dragged and moved to the unlocking board, the controller 180 releases the lock mode of the TV screen and displays the TV screen on the display screen.

In addition, when a predetermined lock screen is selected among the plurality of lock screens, the controller 180 records the selection order of the lock screens. Thereafter, when the selection of the lock screen is completed, the controller 180 arranges the corresponding terminal screen based on the selected lock screen selection order. For example, the controller 180 arranges the terminal screen corresponding to the first selected lock screen on the front of the display screen, and unlocks the terminal screen corresponding to the next selected lock screen in the background (b).

9 illustrates an example in which the mobile terminal according to the fourth embodiment of the present invention releases a lock by inputting a password.

If any one screen of the plurality of application execution screens is selected while the plurality of application execution screens are displayed on the display screen, the controller 180 requests a password input. In this case, the controller 180 displays a password bar on one side of the display screen (a). The controller 180 displays a predetermined number corresponding to the point when the password bar is moved left and right according to a user input. If any one of the displayed numbers is selected, the controller 180 checks whether the password corresponds to the selected screen and unlocks the selected screen if the selected number matches the password (b).

According to an embodiment of the present invention, the above-described method may be embodied as computer readable codes on a medium in 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) . In addition, the computer may include the controller 180 of the terminal.

The above-described terminal is not limited to the configuration and method of the above-described embodiments, the embodiments may be configured by selectively combining all or a part of the embodiments so that various modifications can be made have.

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

Claims (10)

Displaying a plurality of lock screens upon receiving an unlock command;
Selecting at least one lock screen among the plurality of lock screens;
And releasing a lock mode based on the selected lock screen. The method of claim 1, wherein the lock screen,
Method for unlocking a mobile terminal, characterized in that the screen information provided from the terminal connected via a digital living network allinance (DLNA) network. The method of claim 1, wherein performing the lock mode release comprises:
And checking whether the selected lock screen and the lock screen selection order correspond to preset information, and releasing the lock mode according to the check result. Displaying a plurality of lock screens upon receiving an unlock command in lock mode;
Selecting one of the lock screens among the plurality of lock screens;
After selecting the lock screen, requesting a password input;
Receiving a password from the outside according to the password input request;
Checking whether the selected lock screen and the received password match preset information;
And releasing the lock mode according to the checking result. The method of claim 4, wherein in the checking step,
Determine whether the selected lock screen is a lockable screen; and if the selected lock screen is a screen that cannot be unlocked, the lock mode is not released even if the received password matches a preset password. How to unlock. A user input unit generating input data for controlling the operation of the terminal;
And a controller configured to display a plurality of lock screens when detecting a lock button input of the user input unit, and to release a lock mode by utilizing the displayed plurality of lock screens. The method of claim 6, wherein the lock screen,
Mobile terminal, characterized in that the screen information provided by another terminal connected via a digital living network alliance (DLNA) network. 7. The apparatus of claim 6,
And at least one lock screen of the plurality of lock screens is selected in a predetermined order to release the lock mode. 7. The apparatus of claim 6,
And when the predetermined lock screen is selected from a plurality of lock screens in a predetermined combination, canceling the lock mode. 7. The apparatus of claim 6,
When a preset lock screen is selected from among the plurality of lock screens, a password for the selected lock screen is requested, and if the password received by the request matches a preset password, the mobile terminal is released. .

Images