KR20150039326A - Mobile terminal and controlling method thereof - Google Patents

Abstract

According to the present invention, provided is a mobile terminal which is characterized by comprising a memory storing a pattern code for canceling locked state; a touch screen for displaying multiple object for inputting the pattern code; and a control part setting anyone of the multiple objects as a standard object, and controlling to cancel the locked state whether input code matches the pattern code based on the standard object.

Description

[0001] MOBILE TERMINAL AND CONTROLLING METHOD THEREOF [0002]

The present invention relates to a mobile terminal capable of releasing a lock state through a pattern password input and a control method thereof.

2. Description of the Related Art [0002] With the recent development of information communication technologies, mobile terminals capable of performing various functions such as sending and receiving e-mails, using an internet banking service, as well as sending and receiving of calls and messages have become widespread. That is, as the utilization of the mobile terminal increases, the user gradually handles the personal affairs through the mobile terminal. In this process, important personal information is used through the mobile terminal. Accordingly, there is an increasing need for security for personal information and privacy protection in the use of mobile terminals.

Accordingly, the mobile terminal manufacturer supports various types of unlocking methods of mobile terminals. For example, a slide format, a pattern lock method, a fingerprint of a user, a method of recognizing a face or an iris are used. Particularly, among these methods, the pattern locking method is widely used, and the spread of the mobile terminal supporting the pattern locking method is increasing.

Since the surface of the display portion of the mobile terminal is mainly made of a glass material, foreign substances such as oil, dust, and cosmetics can be attached to the surface of the display portion according to the user's use.

If the user inputs a pattern password for unlocking on the display unit in the state that the foreign substance is attached to the display unit, a trace may remain on the surface of the display unit along the trajectory of pattern password input. Particularly, when a user inputs a pattern password to the display unit with a touch drag input, a pattern password input may remain, in which case the pattern password may be disclosed to a person other than the user. At this time, due to the disclosure of the pattern password, there may arise a problem that another person can easily access the personal information and the privacy of the user.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a mobile terminal capable of changing a pattern password input screen every time the user releases the locked state of the mobile terminal.

More specifically, according to the present invention, since the pattern password inputting pattern for unlocking is left on the display unit, the pattern password inputting reference is changed when the next pattern password is inputted. Therefore, The mobile terminal is able to input different kinds of information.

In addition, the present invention provides a mobile terminal capable of inputting a pattern password at a changed position because a user pattern password input position is changed when a pattern password input trace for unlocking is left on the display unit, .

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

A mobile terminal according to an embodiment of the present invention includes a memory for storing a pattern cipher for releasing a lock state, a touch screen for displaying a plurality of objects for inputting the pattern cipher, And a control unit for determining whether the input password conforms to the pattern password based on the reference object and controlling the lock state to be released when the password is inputted through the plurality of objects .

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

The mobile terminal according to the exemplary embodiment of the present invention can change the pattern password input criteria when the next pattern password is input even though the pattern password input trace for unlocking remains on the display unit. Therefore, since the user can input the pattern input directions differently according to the direction previously input according to the changed criterion, it is possible to provide more enhanced security in accessing the unlocked state of the mobile terminal.

In addition, since the mobile terminal of the present invention can provide the pattern password input position by changing the pattern password input position at the time of inputting the next pattern password even though the pattern password input trace for unlocking remains on the display unit, the user can input the pattern password at the changed position have. Therefore, it is difficult to attempt to unlock the mobile terminal from the trace of the pattern password input remaining on the display unit by the user other than the user.

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

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a perspective view of an example of a mobile terminal according to the present invention.
FIG. 3 is a perspective view of an example of a mobile terminal according to an embodiment of the present invention, as viewed from the rear; FIG.
4 is an exemplary diagram for explaining a trace of a pattern password input.
5 is an operational flowchart of a mobile terminal according to an embodiment of the present invention.
6 is an exemplary view for explaining a reference object of the present invention;
FIG. 7 is an exemplary diagram for explaining a pattern input according to a reference object according to an embodiment of the present invention; FIG.
8 is an exemplary view for explaining a case where the direction of a pattern input of FIG. 7 is shifted by 90 degrees according to an embodiment of the present invention;
FIG. 9 is an exemplary view for explaining a case where the direction of a pattern input in FIG. 7 is shifted by 180 degrees according to an embodiment of the present invention; FIG.
10 is an exemplary view for explaining a case where the direction of the pattern input of FIG. 7 is moved by 270 degrees according to the embodiment of the present invention.
FIG. 11 is an exemplary diagram illustrating a trace change of a pattern input according to an embodiment of the present invention; FIG.
FIG. 12 is a block diagram of an embodiment of the present invention. Fig. 8 is an explanatory diagram for explaining the rotation of the password input screen. Fig.
FIG. 13 is an exemplary diagram for explaining a change in pattern input position according to an embodiment of the present invention; FIG.

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

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

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

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

Hereinafter, the components will be described in order.

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

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. Two or more broadcast receiving modules 1100 may be provided to the mobile terminal 100 for simultaneous broadcast reception or broadcast channel switching for at least two broadcast channels.

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

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

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

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

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

The mobile communication module 112 may comprise at least one of a base station, an external terminal, and a server on a mobile communication network such as Global System for Mobile communications (GSM), Code Division Multiple Access (CDMA), Wideband CDMA Transmits and receives wireless signals with one. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

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

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

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

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

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

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

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

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

 The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. Examples of the sensing unit 140 include a gyroscope sensor, an acceleration sensor, and a geomagnetic sensor.

For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

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

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

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

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

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

(Hereinafter, referred to as a 'touch screen') in which a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') form 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 (not shown). The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

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

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

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

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

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

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

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

In some cases, electronic components may be mounted on the surface of the rear case 102 as well. Electronic components mounted on the surface of the rear case 102 include a battery, a USIM card, a memory card, and the like which are detachable by the user. At this time, the rear case 102 may further include a rear cover 103 for covering the surface thereof. When the rear cover 103 is removed, the surface of the rear case 102 is exposed.

As shown in FIG. 2, when the rear cover 103 is coupled, only a part of the side surface of the rear case 102 may be exposed. When the size of the rear cover 103 is reduced, Some may also be exposed. And an opening 103 'for exposing the camera 121' or the sound output unit 152 'to the outside when the rear cover 103 covers the entire rear surface of the rear case 102.

The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 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 operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion.

The contents inputted by the first or second operation unit 131 or 132 may be variously set. For example, the first operation unit 131 receives 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 The touch recognition mode can be activated or deactivated.

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

Referring to FIG. 3, a camera 121 'may be further mounted on the rear surface of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to that of the camera 121 (see FIG. 2A), and may be a camera having the same or different pixels as 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 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 '.

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

In addition to the antenna for communication, a broadcast signal receiving 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.

A power supply unit 190 for supplying power to the mobile terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be 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 be of a light transmission type for the display unit 151. [ In this case, if the display unit 151 is configured to output the time information on both sides (i.e., in the directions of both the front and back sides of the mobile terminal), the time information can be recognized through the touch pad 135 do. The information output on both sides may be all controlled by the touch pad 135. [

Meanwhile, the display for exclusive use of the touch pad 135 may be separately installed, so that the touch screen may be disposed in the rear case 102 as well.

The touch pad 135 operates in correlation with the display portion 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.

Hereinafter, embodiments related to a control method that can be implemented in the mobile terminal 100 constructed as above will be described with reference to the accompanying drawings.

For convenience of description, it is assumed that the mobile terminal 100 mentioned below includes at least one of the components shown in FIG. The mobile terminal 100 may include a display unit 151, a memory 160, and a controller 180. In some cases, the mobile terminal 100 according to the present invention may further include a proximity sensor 141. The present invention can be implemented more easily when the display unit 151 is implemented as the touch screen 151. The present invention will be described below assuming that the display unit 151 is the touch screen 151 do. When the user input unit 130 includes the touch sensor 137, the touch screen 151 may be used as the user input unit 130.

In the present invention, the lock screen means a screen displayed on the touch screen 151 when the mobile terminal 100 is in the locked state (or mode). The locked state means that the touch gesture is not input or only a part of the predetermined touch gesture is limitedly input to prevent erroneous operation or erroneous touch on the touch screen on the touch screen. The control unit 180 can recognize only the preset touch gesture as an input for operating the mobile terminal 100. [ Particularly, in the present invention, the predetermined touch gesture may be an input for releasing the lock state of the mobile terminal 100.

The lock screen can display user graphics for unlocking. The user graphic can be determined in various forms such as a pattern key input screen input keypad and a slide lock key for a specific part according to a manufacturer's intention or a user's setting.

Particularly, in the present invention, when the mobile terminal 100 is in a locked state, a case where a pattern lock screen is determined as a user graphic displayed on a lock screen will be described as an example. That is, in the present invention, the controller 180 controls the pattern lock screen to be displayed on the touch screen 151 as a lock screen in the locked state of the mobile terminal 100. Here, the pattern password is a touch trajectory having a specific direction and shape as a preset touch gesture from the user. The memory 160 of the present invention may store a pattern password for releasing the lock state. The control unit 180 can control the pattern cipher to be stored in the memory 160 according to a user preset.

The pattern lock screen may include a plurality of objects for recognizing a pattern password from a user. A plurality of objects is an object to receive a touch trajectory from a user. The control unit 180 recognizes the touch gesture of the user passing through the plurality of objects on the pattern lock screen. If the pattern password input from the user matches the stored pattern password, the control unit 180 determines whether the lock state of the mobile terminal 100 is released .

When the lock state is released as described above, the controller 180 receives the touch gesture on the touch screen 151 and can execute a corresponding command.

In the present invention, the touch gesture refers to an input operation for the user to operate the mobile terminal 100 through the touch screen 151. [ The control unit 180 can recognize the user's touch gesture inputted through the touch screen 151 as an operation command of the mobile terminal 100. [ The type of the touch gesture includes a tab operation, a flick operation, and a touch drag operation for drawing a specific trajectory with respect to a specific point of the touch screen 151. In this specification, the tap operation and the flick operation will be referred to as a point touch. In addition, the touch gesture may include a proximity touch when the mobile terminal 100 includes the proximity sensor 141, as described above.

Particularly, in the present invention, a case where a drag operation is used in the touch gesture will be described as an example.

Hereinafter, embodiments of the present invention will be described in detail with reference to Figs. 4 to 13. Fig.

4 is an exemplary diagram for explaining the trace of the pattern password input.

Referring to FIG. 4A, the controller 180 may control the display of the pattern lock screen on the touch screen 151 as a lock screen in the locked state of the mobile terminal 100. The pattern lock screen may include information such as a current time, an emergency call menu, and a plurality of objects 400. As described above, when the user inputs a pattern cipher passing through the plurality of objects as a drag input, the controller 180 can control the locked state of the mobile terminal 100 to be released.

Thereafter, if the user does not operate the mobile terminal 100 for a predetermined time or longer, the controller 180 may control the mobile terminal 100 to be in the inactive state according to the preset settings. Also, the controller 180 may control the mobile terminal 100 to be inactivated by a specific key input. The inactive state of the mobile terminal 100 refers to a power off state or a state in which the touch screen 151 does not emit light. The deactivation state of the mobile terminal 100 is shown in Fig. 4 (b). In FIG. 4 (b), the controller 180 controls the touch screen 151 not to emit light. The control unit 180 does not activate the touch screen 151 before detecting the activation input to the mobile terminal 100 and the touch screen 151 does not activate the touch gesture 151, I do not recognize it either. The controller 180 can control the various modules of the mobile terminal 100 to function when the touch screen 151 emits light when a specific key input is sensed or a signal received from the outside is sensed. The disabled state 405 of the mobile terminal 100 in which the touch screen 151 does not emit light is shown in Figure 4 (b).

On the other hand, since the surface of the touch screen 151 is made of glass, foreign substances such as oil, dust, and cosmetics may be adhered to the surface depending on the use of the user. At this time, if the user inputs a pattern cipher passing through the plurality of objects as a drag input, traces of the pattern cipher inputted on the surface of the touch screen 151 with the foreign substance may remain. A trace 410 of pattern password input remaining on the surface of the touch screen 151 when the mobile terminal 100 whose lock state has been released by the pattern password input is again in the inactive state 405 as shown in FIG. Respectively. Even when foreign substances are not on the surface of the touch screen 151, when the user performs the touch gesture, a certain amount of sweat is secreted from the user's finger, which may result in the input trace 410 of the pattern password being left.

When a trace of the input of the pattern password is left on the surface of the touch screen 151, a person other than the user imitates the touch trajectory of the surface of the touch screen 151 of the user ' s mobile terminal 100, The lock state of the lock mechanism may be released. Hereinafter, embodiments of the present invention for solving the problems will be described.

FIG. 5 is an operational flowchart of a mobile terminal according to an embodiment of the present invention, and FIG. 6 is an exemplary diagram illustrating a reference object of the present invention. 7 is an exemplary diagram for explaining a pattern input according to a reference object according to an embodiment of the present invention.

Referring to FIG. 5, the control unit 180 may control 501 to display a plurality of objects for inputting a pattern password on the touch screen 151. In addition, the controller 180 may set any one of the plurality of objects as a reference object (503). Referring to FIG. 6A, the control unit 180 can control that the reference object is visually identified and displayed on the touch screen 151 with respect to another object. In FIG. 6A, a case where a plurality of objects are arranged in a (3 * 3) matrix format and a left upper edge (1 row, 1 column) is set as the reference object 601 is shown as an example. Hereinafter, the reference object refers to a reference for determining the direction of the pattern lock input screen. That is, the direction in which the pattern password input is started is determined by the reference object 601.

Referring to Fig. 7, the reference object 601 is set as in Fig. 7 (a) and Fig. 6 (a). Therefore, the positions of the plurality of object reference object 601 on the pattern lock screen correspond to (one row and one column). That is, the uppermost part of the pattern lock screen is a row including the reference object, and the left end is a column including the reference object.

7 (b), when the user inputs a pattern password 710 as a drag input through a plurality of objects, the control unit 180 controls the drag input locus to be displayed on the touch screen 151 can do. Through this, the user can check the trajectory of his drag input.

The control unit 180 may detect the pattern input password 710 and determine whether the detected password 710 matches the pattern password stored in the memory 160. [ If it is determined that the stored pattern password is identical to the pattern password inputted by the user, the controller 180 may control to release the locked state of the mobile terminal 100 (505).

6B, the reference object does not necessarily have to be one point, as shown in FIG. 6A, but may also be a straight line 610. FIG. In this case, the top of the pattern lock screen may be a row including the straight line 710, and the right and left sides of the pattern lock screen may be the left and right directions of the straight line 710, respectively. The manner of setting the reference object and the method of visually identifying the reference object may be determined according to the manufacturer or user setting. Hereinafter, it is assumed that the pattern encryption stored in the memory 160 is the same as the pattern encryption described in (b) of FIG.

8 is an exemplary diagram illustrating a case where the pattern cipher of FIG. 7 is rotated by 90 degrees according to an embodiment of the present invention. Referring to FIG. 8A, when the controller 180 detects a lock screen output signal, the controller 180 controls the pattern lock screen to be displayed. 8A, when a plurality of objects are arranged in the (3 * 3) matrix format on the pattern lock screen and the right upper edge (1 row, 3 column) is set as the reference object 801 Is shown as an example. That is, in this case, it can be seen that the pattern lock screen of FIG. 7 is rotated clockwise by 90 degrees.

8 (b), when a pattern password input 810 is performed by a user as a drag input passing through a plurality of objects, the control unit 180 controls the drag input locus to be displayed on the touch screen 151 can do. The locus of the pattern cipher is the same as the pattern cipher inputted in (b) of Fig. 7 is rotated 90 degrees clockwise. At this time, the control unit 180 can determine whether the pattern password stored in the memory 160 and the inputted pattern password 810 are identical to each other based on the reference object 801. [ If it is determined that the stored pattern password matches the pattern password 810 input by the user, the controller 180 controls the mobile terminal 100 to release the locked state.

That is, even if the plurality of objects passing through the locus of the pattern password 810 described in the pattern password 710 described in FIG. 7B and the pattern password 810 described in FIG. 8B are different from each other, It is possible to determine whether a pattern password is input by referring to the objects 701 and 801. [ Accordingly, the controller 180 determines that the pattern password stored in the memory 160 is identical to the pattern password stored in the memory, Is released.

9 is an exemplary diagram for explaining a case where the pattern encryption of FIG. 7 is rotated by 180 degrees according to an embodiment of the present invention. In the description for FIG. Description of the same contents as those described in Figs. 7 (b) and 8 (b) will be omitted.

9A, when a plurality of objects are arranged in the (3 * 3) matrix format on the pattern lock screen and the lower right edge (third row, third column) is set as the reference object 901 Is shown as an example. That is, in this case, it can be seen that the pattern lock screen of FIG. 7 is rotated clockwise by 180 degrees.

The pattern cipher 910 is shown in Fig. 9B, and the pattern cipher entered in Fig. 7B is rotated 180 degrees clockwise. The control unit 180 can determine that the same pattern password as the pattern password stored in the memory 160 has been input, as described in FIG. 8 (b).

10 is an exemplary diagram for explaining a case where the pattern cipher of FIG. 7 is rotated by 270 degrees according to an embodiment of the present invention. In the description for FIG. Description of the same contents as those described in Figs. 7 (b) and 8 (b) will be omitted.

10A, when a plurality of objects are arranged in a (3 * 3) matrix format on the pattern lock screen and the lower left edge (3 rows and 1 column) is set as the reference object 1001 Is shown as an example. That is, in this case, it can be seen that the pattern lock screen of FIG. 7 is rotated clockwise by 270 degrees.

The pattern encryption 1010 is shown in Fig. 10 (b), and the pattern cipher entered in Fig. 7 (b) is the same as that rotated 270 degrees clockwise. The control unit 180 can determine that the same pattern password as the pattern password stored in the memory 160 has been input, as described in FIG. 8 (b).

Each time the control unit 180 detects the lock screen output signal, the reference object 701 described in FIG. 7 can be sequentially changed as described in FIGS. 8, 9, and 10, Or may be changed randomly.

In this example, all of the reference objects are located at the outer periphery of a plurality of objects constituting the pattern lock screen. That is, in the above example, a plurality of objects are arranged in a square shape, and a reference object is positioned at each vertex. The plurality of objects may be arranged in various polygonal shapes according to the setting of the user or the manufacturer in addition to the rectangle. In this case, the reference object may be positioned at the vertices of the various polygons. In this case, the pattern cipher can be rotated at various angles according to the reference object. The control unit 180 can determine whether the shape of the pattern password input based on the pattern lock screen of various polygons and the reference object is the same as the pattern password stored in the memory 160. [

In addition, the reference object may be determined to be an arbitrary position on the border of the polygon in addition to the vertex of the polygon. When the reference object is determined as the vertex of the polygon or the arbitrary point on the border surrounding the polygon as described above, it is possible to secure diversity of rotation in the pattern password input.

However, the reference object does not necessarily have to be located as described above, and it may be determined to be an arbitrary position on a plurality of objects in consideration of the pattern cipher. Also, the reference object may be included in the locus of the pattern cipher.

FIG. 11 is an exemplary view for explaining a trace change of a pattern input according to an embodiment of the present invention.

11 (a), after the pattern password 710 shown in FIG. 7 (b) is input, the control unit 180 controls the mobile terminal 100 to be in a deactivated state by a user's specific key input One case is shown. That is, a state in which the touch screen 151 does not emit light is shown, and a case 1100 of the pattern password input 710 remains on the surface of the touch screen 151. In this case, if a user other than the user inputs a specific key regardless of the intention of the user, the control unit 180 controls the touch screen 151 to emit light and controls the pattern lock screen to be displayed as a lock screen . At this time, if another user inputs pattern passwords along the trace 1100 of the pattern password input, the control unit 180 controls the mobile terminal 100 to be released from the locked state. There is a problem that information can be accessed. Also, the other user can use the mobile terminal 100 of the user without permission.

However, according to the embodiment of the present invention, since the pattern cipher is rotated, a pattern cipher that starts in various directions from the user is input at each unlocking. Therefore, when the control unit 180 controls the mobile terminal 100 as an inactive frame, a complex pattern of pattern password marks 1110 remains on the surface of the touch screen 151 as shown in FIG. 11 (b). This is because it is impossible for a person other than the user to recognize and input the same pattern password as the pattern password stored in the memory 160 in this state. Therefore, referring to FIG. 11, it can be seen that the object of the present invention can be realized through the features of the present invention in which the pattern encryption is changed based on the reference object.

FIG. 12 is a block diagram of an embodiment of the present invention. Fig. 8 is an exemplary diagram for explaining the rotation of the password input screen. Fig. The mobile terminal 100 may further include a sensing unit 130 for sensing the inclination of the mobile terminal 100. Accordingly, when the mobile terminal 100 is tilted by a predetermined angle or more according to the setting of the user or the manufacturer, the controller 180 may control the mobile terminal 100 to operate in the landscape mode or the portrait mode according to the inclination . 6, the mobile terminal 100 is referred to as the longitudinal direction, and when the left and right sides of the mobile terminal 100 are short as shown in FIG. 12, the mobile terminal 100 is referred to as the horizontal direction.

When the mobile terminal 100 is close to the longitudinal direction of the mobile terminal 100 in a predetermined range, the controller 180 controls the mobile terminal 100 to operate in the vertical mode, The control unit 180 may control the mobile terminal 100 to operate in the landscape mode when the mobile terminal 100 is close to the horizontal direction of the mobile terminal 100. [ For example, when the mobile terminal 100 operates in the landscape mode, the control unit 180 may control the application screen or the program execution screen to be displayed in the horizontal direction through the touch screen 151. [

According to the present invention, when controlling the display of the pattern lock screen, the controller 180 may support only the portrait mode, and may support the landscape mode as well as the portrait mode.

When the control unit 180 supports only the portrait mode when the pattern lock screen is displayed, the controller 180 may not support the landscape mode of the mobile terminal 100 in the locked state of the mobile terminal 100. [ That is, although the execution screen of the application is outputted in the landscape mode through the touch screen 151, the controller 180 may not control the pattern lock input screen to be supported in the landscape mode as shown in FIG. 12 (a). In this case, even when the mobile terminal 100 is inclined in the horizontal direction as shown in FIG. 12A, the control unit 180 can recognize the pattern lock screen only in the portrait mode. Referring to FIG. 12A, information is displayed (1210) in the vertical direction on the pattern lock screen even when the mobile terminal 100 is inclined in the horizontal direction.

In order to release the locked state of the mobile terminal 100, the user must input the pattern password assuming that the mobile terminal 100 is in the portrait mode as shown in FIGS. 7 to 10.

On the other hand, when the controller 180 supports not only the portrait mode but also the landscape mode when the pattern lock screen is displayed, referring to FIG. 12B, the controller 180 determines whether the mobile terminal 100 is in the horizontal direction The mobile terminal 100 can detect that the mobile terminal 100 is in the landscape mode through the sensing unit 130. [ At this time, the control unit 180 can control the display of the pattern lock screen in which the information is displayed in the horizontal direction (1220) as shown in FIG. 12 (b). In addition, the controller 180 may control the reference object 1201 to change as the tilting is recognized. That is, in FIG. 7A, the reference object 601 can be rotated to the position of the reference object 1201 when the mobile terminal 100 is tilted to the left and tilted as shown in FIG. 12B.

In FIG. 7, the reference object 601 is positioned in (row 1 column), and the reference object 1201 is also located in (row 1 column) in FIG. 12 (b). However, if the mobile terminal 100 is not actually tilted, the reference object 1201 in FIG. 12B corresponds to the same object as the reference object 801 in FIG. 8B. Accordingly, the control unit 180 releases the locked state of the mobile terminal 100 when the user enters the pattern password 810 as shown in FIG. 8B. In other words, in FIG. 7 and FIG. 12B, although the reference objects are all in the same position (one row and one column), the trajectory of the pattern encryption is different.

The user enters a pattern password as shown in FIG. 7 (b) in FIG. 7 to release the locked state of the mobile terminal 100, tilts the mobile terminal 100 as shown in FIG. 12 (b) As a result, pattern ciphers are input based on different reference objects. That is, referring to FIG. 12, by inputting the pattern encryption by inclining the mobile terminal 100 according to the embodiment of the present invention, the same result as that of the reference object of the pattern encryption in FIGS. 7 and 8 can be obtained.

FIG. 13 is an exemplary diagram for explaining a change in pattern input position according to an embodiment of the present invention. In FIGS. 5 to 11, a method has been described in which no trace of a pattern password input is left as the reference object is changed. In FIG. 13, a description will be given of a method for changing the position of the pattern lock screen so as not to expose the trace of the pattern password input.

13A shows a pattern lock screen as a general lock screen as in FIG. 4A. The control unit 180 controls the plurality of objects to be output each time the lock screen output signal is sensed. At this time, the control unit 180 can control the magnitude of the object or the displayed position to be changed. Therefore, when the user enters the pattern password to release the locked state of the mobile terminal 100, the size of the locus inputting the pattern password or the position at which the locus is input is different each time.

Referring to FIG. 13B, when the controller 180 detects a lock screen output signal, the control unit 180 controls to output a plurality of reduced objects at the upper left of the touch screen 151, The controller 180 controls the plurality of reduced objects to be output at the lower left of the touch screen 151. [ 13 (d), when the controller 180 detects the lock screen output signal, the control unit 180 controls the plurality of reduced objects to be output to the upper right of the touch screen 151. In addition, in FIGS. 13B to 13D, a plurality of objects are not only changed in display position, but also the size displayed on the basis of FIG. 13A has been changed.

That is, the control unit 180 may control the display of a plurality of objects by displaying at least one of the position and the size each time the lock screen output signal is detected sequentially or randomly. Further, the control unit 180 controls the display of a plurality of objects while changing at least one of the size and the position as described above, and simultaneously controls the method of setting the reference object as described in FIGS. 5 to 10 have. 13 (b) to 13 (d), the controller 180 controls the display of a plurality of objects as shown in Figs. 13 (b) to 13 As shown in FIG. 10, the reference object is changed and displayed.

According to one embodiment of the present invention, the above-described method (operation flow diagram) can be implemented as a code that can be read by a processor on a medium on which the program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The above-described mobile terminal 100 is not limited in the configuration and method of the above-described embodiments, but the embodiments may be modified such that all or some of the embodiments are selectively combined .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. , And are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention may be practiced without departing from the scope of the invention disclosed herein.

100: mobile terminal
151: Touch screen
160: Memory
180:

Claims (8)

A memory for storing a pattern password for releasing the lock state;
A touch screen for displaying a plurality of objects for inputting the pattern password; And
Wherein the control unit sets one of the plurality of objects as a reference object and, when a password is input through the plurality of objects, determines whether or not the lock state And a control unit for controlling the mobile terminal to be released. The apparatus of claim 1,
And sets any one of the plurality of objects or one of the sequentially determined ones as the reference object each time the lock screen output signal is detected. 3. The method of claim 2,
Wherein the plurality of objects are arranged in a polygonal shape,
Wherein the reference object is located at a vertex of the polygon. The apparatus of claim 1,
And controls the reference object to be visually identified and displayed. The mobile terminal of claim 1,
Further comprising a sensing unit for sensing tilting of the mobile terminal,
Wherein the control unit controls the reference object to change according to a tilt of the mobile terminal sensed through the sensing unit. The apparatus of claim 1, wherein the control unit
Wherein at least one of the display position and the size of the plurality of objects is changed and displayed through the touch screen whenever the lock screen output signal is sensed. Displaying a plurality of objects for inputting a pattern password;
Setting any one of the plurality of objects as a reference object; And
And releasing the lock state according to whether the input password matches the pattern password based on the reference object when the pattern password is input. 8. The method of claim 7, wherein the setting comprises:
Further comprising the step of setting any one of the plurality of objects or one of the sequentially determined ones as the reference object each time the lock screen output signal is detected.

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