KR101616438B1 - Mobile Terminal And Method Of Transmitting And Receiving Contents Using Same - Google Patents

Abstract

The present invention relates to a mobile terminal and a method of transmitting and receiving contents using the same. The present invention provides a wireless communication device comprising: a wireless communication unit; A memory for storing at least one authentication scheme; And a control unit configured to receive a selection signal for one of the stored authentication methods and to transmit authentication information corresponding to the selected authentication method and necessary for accessing the content from the external terminal, And a control unit for transmitting the secure data including the selected authentication method and the input authentication information and the content to the external terminal through the wireless communication unit; A receiving side mobile terminal for receiving and controlling contents is provided. The present invention also provides a method of transmitting / receiving a content using the transmitting mobile terminal and the receiving mobile terminal.

Mobile terminal, security, authentication method, authentication information

Description

Technical Field [0001] The present invention relates to a mobile terminal and a content transmission /

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal that allows a receiver to access the content only by the set authentication method when a content is secured and transmitted according to an authentication method set at a transmitter, and a content transmission / .

In the security setting method for contents in the mobile terminal according to the related art, security setting is mainly performed from the viewpoint of a person who receives data. For example, the user maintains security of data by controlling access to a specific folder or a specific file of the mobile terminal. Therefore, the content security according to the related art is mostly performed by the receiver of the content, and is not performed by the sender of the content. It is necessary for the sender of the content to allow only the recipient whom he wants to access the content to be sent.

The present invention provides a mobile terminal capable of performing contents security by reflecting a will of a sender of contents, and a method of transmitting and receiving contents using the same.

Another object of the present invention is to provide a mobile terminal in which a sender of contents can set various contents security schemes in consideration of characteristics of a mobile terminal and a method of transmitting and receiving contents using the same.

Another object of the present invention is to provide a mobile terminal allowing a recipient of a content to access a received content only by a content security method set by a sender of the content, and a method of transmitting and receiving a content using the mobile terminal.

A mobile terminal according to a first aspect of the present invention includes: a wireless communication unit; A memory for storing at least one authentication scheme; And a control unit configured to receive a selection signal for one of the stored authentication methods and to transmit authentication information corresponding to the selected authentication method and necessary for accessing the content from the external terminal, The security data including the selected authentication method and the input authentication information, and a controller for transmitting the content to the external terminal through the wireless communication unit.

A mobile terminal according to a second aspect of the present invention includes: a wireless communication unit; And receiving, from the external terminal, security data including content, authentication method, and authentication information required for access to the content, corresponding to the authentication method, through the wireless communication unit, And allowing the access to the content only when the obtained confirmation information and the received authentication information coincide with each other.

According to a third aspect of the present invention, there is provided a method of transmitting content in a mobile terminal, the method comprising: setting a content to be transmitted to an external terminal; Receiving a selection signal for an authentication method among at least one authentication method stored in the mobile terminal; Receiving authentication information corresponding to the selected authentication method and required for accessing the content from the external terminal; And security data including the selected authentication method and the input authentication information, and transmitting the content to the external terminal.

A content receiving method of a mobile terminal according to a fourth aspect of the present invention is a method of receiving content from a mobile terminal, the method comprising the steps of: receiving, from an external terminal, content and a content corresponding to the authentication method and the authentication method The method comprising: receiving security data including authentication information required; Acquiring authentication information required according to the received authentication method; And allowing access to the content only when the obtained confirmation information matches the received authentication information.

The mobile terminal according to the present invention and the method for transmitting and receiving contents using the same provide the following effects.

According to the present invention, there is an effect that contents security can be performed by reflecting the will of a sender of contents between mobile terminals to which contents are transmitted and received.

In addition, according to the present invention, the sender of contents can set various contents security methods in consideration of the characteristics of the mobile terminal.

According to the present invention, since the receiver of the content can access the content received only by the content security method set by the sender of the content, strong content security can be achieved.

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

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

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), navigation and the like.

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 unit 160, An interface unit 170, a control unit 180, a power supply unit 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. 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, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

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

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

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. A typical example of the location information module is a GPS (Global Position System) module. According to the current technology, the GPS module 115 calculates information on a distance (distance) from three or more satellites to one point (entity), information on the time when the distance information is measured, , Three-dimensional position information according to latitude, longitude, and altitude of one point (individual) in one hour can be calculated. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module 115 continues to calculate the current position in real time and uses it to calculate speed information.

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 unit 160 or may be transmitted to the outside through the wireless communication unit 110. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

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

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

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

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

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

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

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

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

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

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

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is surrounded 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 touching the pointer on the screen is called "contact touch. &Quot; 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 senses 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 activation state, etc.). 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 unit 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The audio output module 152 may include a receiver, a speaker, a buzzer, and the like. Also, the sound output module 152 may output sound through the earphone jack 116. The user can connect the earphone to the earphone jack 116 to hear the sound output.

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

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

In addition to the vibration, the haptic module 154 may be configured to perform various functions such as an effect of stimulation by a pin arrangement vertically moving with respect to a contact skin surface, an effect of stimulation by air spraying force or suction force through a jet opening or a suction opening, A variety of tactile effects such as an effect of stimulation through contact of an electrode, an effect of stimulation by an electrostatic force, and an effect of reproducing a cold sensation using a heat absorbing or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to feel the tactile effect through the muscles of the user's finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

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

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

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

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

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

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

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

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

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

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

2A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

The disclosed mobile terminal 100 has 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 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 injection molding a 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 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 151 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, the interface 170, and the like are 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 portable 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 and may be employed in any manner as long as the user operates in a tactile manner.

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

FIG. 2B is a rear perspective view of the portable terminal shown in FIG. 2A.

Referring to FIG. 2B, 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 the camera 121 (see FIG. 2A), 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 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. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for a call or the like, a broadcast signal reception antenna 124 may be additionally disposed on the side of the terminal body. The antenna 124 constituting a part of the broadcast receiving module 111 (see FIG. 1) may be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the portable 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 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.

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, a related operation of the display unit 151 and the touch pad 135 will be described with reference to FIGS. 3A and 3B.

3A and 3B are front views of a portable terminal for explaining an operation state of the portable terminal according to the present invention.

Various types of time information can be displayed on the display unit 151. [ These pieces of information can be displayed in the form of letters, numbers, symbols, graphics, or icons.

At least one of the letters, numbers, symbols, graphics, or icons may be displayed in a predetermined arrangement for inputting such information, thereby being implemented as a keypad. Such a keypad may be called a so-called " soft key ".

FIG. 3A shows a touch input to a soft key through a front surface of a terminal body.

The display unit 151 may operate as an entire area or may be divided into a plurality of areas and operated. In the latter case, the plurality of areas can be configured to operate in association with each other.

For example, an output window 151a and an input window 151b are displayed on the upper and lower portions of the display unit 151, respectively. In the input window 151b, a soft key 151c in which a number for inputting a telephone number or the like is displayed is output. When the soft key 151c is touched, a number corresponding to the touched soft key is displayed on the output window 151a. When the first operation unit 131 is operated, call connection to the telephone number displayed on the output window 151a is attempted.

FIG. 3B shows the input of a touch applied to the soft key through the rear surface of the terminal body. FIG. 3A illustrates a case where the terminal body is vertically disposed, and FIG. 3B illustrates a case where the terminal body is disposed horizontally. The display unit 151 may be configured to convert an output screen according to a placement direction of the terminal body.

3B shows that the text input mode is activated in the portable terminal. The display unit 151 displays an output window 135a and an input window 135b. In the input window 135b, a plurality of soft keys 135c may be arranged in which at least one of letters, symbols, and numbers is displayed. The soft keys 135c may be arranged in the form of a QWERTY key.

When the soft keys 135c are touched through the touch pad 135, characters, numbers, symbols, etc. corresponding to the touched soft keys are displayed on the output window 135a. As described above, the touch input through the touch pad 135 is advantageous in that it is possible to prevent the soft key 135c from being covered by the finger when touching, compared with the touch input through the display unit 151. [ In the case where the display unit 151 and the touch pad 135 are formed to be transparent, the fingers located on the rear side of the terminal body can be visually confirmed, thereby enabling a more accurate touch input.

The display unit 151 or the touch pad 135 may be configured to receive a touch input by scrolling, as well as the input method described in the above embodiments. The user can move a cursor or a pointer located on an object displayed on the display unit 151, for example, an icon or the like, by scrolling the display unit 151 or the touch pad 135. [ Further, when the finger is moved on the display portion 151 or the touch pad 135, the path along which the finger moves may be visually displayed on the display portion 151. [ This will be useful for editing the image displayed on the display unit 151. [

One function of the terminal may be executed in response to a case where the display unit 151 (touch screen) and the touch pad 135 are touched together within a predetermined time range. In the case of being touched together, there may be a case where the user clamps the terminal body using the thumb and index finger. The one function may be, for example, activation or deactivation of the display unit 151 or the touch pad 135, and the like.

Hereinafter, embodiments of the present invention will be described.

As described later, the mobile terminal referred to in this document can be divided into a transmitting side mobile terminal for securing and transmitting contents and a receiving side mobile terminal for receiving the secured contents. For convenience of explanation, the reference number of the transmitting-side mobile terminal is assumed to be 100 and the reference number of the receiving-side mobile terminal is assumed to be 200.

The transmitting-side mobile terminal 100 and the receiving-side mobile terminal 200 are the same as those of the mobile terminal described with reference to FIG. 1 to FIG. Therefore, the reference numerals of the components of the transmitting-side mobile terminal 100 and the receiving-side mobile terminal 200 are the same as those of the components of the mobile terminal 100 described with reference to FIGS. 1 to 3, The same reference numerals will be used.

The memory 160 included in the transmitting mobile terminal 100 may store various authentication methods referred to in the present invention. The authentication schemes can be selectively applied to the content to be transmitted to the recipient mobile terminal 100, and require corresponding authentication information.

The corresponding authentication information is information necessary for accessing the received content when receiving the content at the receiving mobile terminal 200, as described later in various embodiments of the present invention.

The authentication information corresponding to the authentication method and the authentication method can be set by the user of the transmitting-side mobile terminal 100. [ The authentication information may be stored in advance in the memory 160 of the transmitting-side mobile terminal 100 or may be input by a user when a corresponding authentication method is selected.

When the user of the transmitting side mobile terminal 100 transmits a content to the receiving side mobile terminal 200, a specific authentication method may be set for the content to be transmitted and the authentication information corresponding to the set authentication method may be set . At this time, the user can select specific authentication information among various authentication information stored in the memory 160 or input new authentication information by operating the user input unit 130. [

The authentication method described in this document includes a first authentication method for requesting input of authentication information corresponding to a user of the receiving-side mobile terminal 200, a first authentication method for requesting the input of the authentication information corresponding to the user of the receiving- And a second authentication method for confirming whether or not the authentication information is matched.

Examples of the first authentication method include a query authentication method, a motion authentication method, an electronic signature authentication method, and a game authentication method.

The query authentication method is an authentication method that requires an answer composed of text or voice for a question composed of text or voice. According to the query authentication method, the receiving-side mobile terminal 200 permits access to the received content only when an answer to the question is input.

The motion authentication method is an authentication method that requests a user of the receiving-side mobile terminal 200 to perform a specific operation. According to the motion authentication method, the receiving-side mobile terminal 200 permits access to the received content only when a specific image corresponding to a specific operation of the user is inputted through the camera 121. [

The digital signature authentication method is an authentication method in which a digital signature is requested to the user of the receiving-side mobile terminal 200. [ According to the digital signature authentication method, the transmitting-side mobile terminal 100 transmits a specific digital signature together with securing the contents according to the present invention. The receiving-side mobile terminal 200 permits access to the received content only when the same digital signature as the received specific digital signature is input from the user.

The game authentication method is an authentication method in which a specific game application of the receiving-side mobile terminal 200 is driven and a specific mission is requested through the game application. The receiving-side mobile terminal 200 permits access to the received content only when the specific mission is acquired through the game application.

Examples of the second authentication method include a location authentication method, a state authentication method, a speed authentication method, and a content authentication method.

The location authentication method is an authentication method in which the location of the receiving-side mobile terminal 200 is set as the authentication information. For example, only when the position information transmitted from the transmitting mobile terminal 200 matches the current position of the receiving mobile terminal 200, the access to the content received from the receiving mobile terminal 200 It is an acceptable authentication method.

The state authentication method is an authentication method in which a specific setting mode for a specific function of the receiving-side mobile terminal 200 is set as the authentication information. For example, the transmitting mobile terminal 100 may request a specific setting mode for a specific function of the receiving mobile terminal 200 as the authentication information.

The speed authentication method is an authentication method in which the moving speed of the receiving-side mobile terminal 200 is set as the authentication information. For example, the transmitting mobile terminal 100 may request a specific moving speed of the receiving mobile terminal 200 as the authentication information to allow access to the contents.

The content authentication method is an authentication method in which whether or not a specific content exists in the receiving-side mobile terminal 200 is set as the authentication information. For example, the transmitting mobile terminal 100 may request that certain content be present in the memory 160 of the receiving mobile terminal 200 as the authentication information to allow access to the content.

Specific embodiments to which the various authentication schemes are applied will be described later.

At least one authentication method among the authentication methods may be stored in a memory provided in the receiving-side mobile terminal 200.

The transmitting mobile terminal 100 and the receiving mobile terminal 200 may also share an application or engine for implementing various embodiments of the present invention. In the case where the application or the engine is shared, even if the transmitting mobile terminal 100 does not securely encrypt the content, the receiving mobile terminal 200 receives the specific authentication method and, in accordance with the received authentication method And may control access to the received content.

Meanwhile, the transmitting-side mobile terminal 100 may encrypt the content using the authentication information and transmit the encrypted content to the receiving-side mobile terminal 200. At this time, when the receiving-side mobile terminal 200 obtains the confirmation information corresponding to the authentication information, the receiving-side mobile terminal 200 can decrypt and access the encrypted content using the confirmation information (or the authentication information).

4 is a flowchart of a content transmission method of a mobile terminal according to an embodiment of the present invention. 5A to 5G are views showing examples of screens in which a content transmission method of a mobile terminal according to an embodiment of the present invention is implemented. A method of transmitting a content of a mobile terminal according to an embodiment of the present invention may be implemented in the mobile terminal 100 described with reference to FIGS. Hereinafter, a method of transmitting a content of a mobile terminal according to an embodiment of the present invention and an operation of a transmitting mobile terminal 100 for implementing the method will be described in detail with reference to FIG. 4 and necessary drawings.

The control unit 180 sets a content to be transmitted to the receiving-side mobile terminal 200 (S100). Examples of the contents include a short message service (SMS) or a multimedia messaging service (MMS) message, an e-mail, a still image, a moving picture, a text, and an animation. The content includes all types of data that can be transmitted to the receiving-side mobile terminal 200.

The user operates the user input unit 130 provided in the transmitting mobile terminal 100 to input contents or selects the contents stored in the memory 160 provided in the transmitting mobile terminal 100 , And can set the content to be transmitted to the receiving-side mobile terminal (200).

The control unit 180 may enter a security setting screen for setting security for the set content before transmitting the set content (S110). The entry into the security setting screen may be automatically performed according to a preset mode or may be performed by a user's command.

5A is a diagram showing a menu for entering a security setting screen before transmitting the MMS with the content set therein. The control unit 180 may provide a menu 10 for entering the security setting screen. In Fig. 5A, a picture is displayed as the content 20 to be transmitted and attached to the MMS.

The control unit 180 may provide a screen or a popup window 11 for providing a plurality of authentication methods stored in the memory 160 as shown in FIG. 5B when the menu 10 is selected. The control unit 180 receives a selection signal for an authentication method among the plurality of authentication methods through the provided screen or the pop-up window 11 (S120). For example, referring to FIG. 5B, a query authentication method that requests a text-type question and an answer can be selected.

5C and 5D, when the selection signal for the specific authentication method is received in step S120, the controller 180 receives the authentication information corresponding to the selected authentication method You can enter.

The controller 180 receives authentication information corresponding to the selected authentication method through a user interface provided on the authentication information input screen (S130). For example, referring to FIGS. 5C and 5D, the question 12 corresponding to the query authentication method selected in FIG. 5B and the corresponding answer 13 may be input as the authentication information.

When the input of the authentication information is completed in step S130, the controller 180 may provide an information window 14 for confirming the user, as shown in FIG. 5E.

The control unit 180 may receive additional information for securing the content 20 to be transmitted to the receiving-side mobile terminal 200 (S140).

An accessibility period for setting a period in which access to the content 20 is permitted when the access side mobile terminal 200 permits access to the content 20; Whether or not the transmission from the receiving-side mobile terminal 200 to another terminal and / or the number of transmissible times are possible, and whether or not the content can be printed by the receiving-side mobile terminal 200.

For example, referring to FIG. 5E, the controller 180 may provide a query message 15 for inquiring whether the additional information is input through the information window 14. FIG.

The control unit 180 may receive the additional information through a predetermined user interface and provide a screen for receiving the input additional information as shown in FIG. 5F. The screen shown in Fig. 5F displays the accessible period 16, the transmission availability 17, and the print availability 18 as the inputted additional information. FIG. 5G shows an example of an information window 19 in which the user can finally confirm security data inputted or set through the above processes.

The control unit 180 transmits the security data including the authentication method and the authentication information and the set contents to the receiving mobile terminal 200 through the wireless communication unit 110 (S150). For example, the control unit 180 may transmit the secure data and the content to the receiving mobile terminal 200 (200) via the mobile communication module 112, the wireless Internet module 113, ).

Meanwhile, as described above, the security data may include the additional information.

5A to 5G show examples of a query authentication method using text as the authentication method. Other possible authentication schemes according to embodiments of the present invention will be described later.

6 is a flowchart of a content receiving method of a mobile terminal according to an embodiment of the present invention. 7 is a detailed flowchart of step S210 of FIG. 8A, 8B and 9 are views showing examples of screens in which a content receiving method of a mobile terminal according to an embodiment of the present invention is implemented. The method for receiving a content of a mobile terminal according to an embodiment of the present invention may be implemented in the mobile terminal 200 described with reference to FIGS. The contents receiving method of the mobile terminal according to an embodiment of the present invention and the operation of the receiving mobile terminal 200 for implementing the contents will be described in detail with reference to FIG. 6 and necessary drawings.

The control unit 180 receives the secure data including the authentication method and the authentication information and the content from the transmitting mobile terminal 100 through the wireless communication unit 110 (S200). The security data may further include the above-described additional information.

FIG. 8A shows an example of a screen from the transmitting-side mobile terminal 100 on which the content secured by the content transmission method according to the embodiment of the present invention described above is received. The control unit 180 may provide a guidance window 30 to inform the user that the secure content has been received.

The control unit 180 does not allow access to the received content before acquiring information that matches or matches the authentication information required by the authentication method. For example, the user of the receiving-side mobile terminal 200 can only know the fact of receiving contents from the transmitting-side mobile terminal 100, and can not confirm what contents are the contents without the authentication information.

The control unit 180 obtains the required authentication information according to the received authentication method (S210). The control unit 180 may vary the method of obtaining the required confirmation information according to the received authentication method according to the type of the received authentication method. For example, depending on whether the received authentication method is the first authentication method or the first authentication method, the manner in which the requested confirmation information is obtained is different.

Referring to FIG. 7, the detailed procedure of step S210 will be described in the case where the received authentication method is the first authentication method and the second authentication method.

The controller 180 determines whether the received authentication method is the first authentication method or the second authentication method (S211).

If the received authentication method is the first authentication method, the controller 180 requests the user to input information according to the received first authentication method (S212), analyzes the information input from the user, And obtains confirmation information (S213).

If the received authentication method is the second authentication method, the control unit 180 obtains status information of the receiving-side mobile terminal 200 requested according to the received second authentication method (S214) . The acquired status information is the confirmation information necessary for performing the step S210.

In the case of FIG. 8B, the received authentication method is the first authentication method. That is, in the case of FIG. 8B, it is a query authentication method using text among the first authentication methods described above. 8B, the control unit 180 requests the user to input an answer to the question according to the text-based query authentication method (S212), and receives an answer to the question from the user S213].

After obtaining the required authentication information according to the received authentication method, the controller 180 determines whether the obtained authentication information matches the received authentication information (S220). For example, referring to FIGS. 8A and 8B, the controller 180 determines whether the answer input from the user and the answer received from the transmitting-side mobile terminal 100 coincide with each other.

If it is determined in step S220 that the obtained authentication information matches the received authentication information, the controller 180 determines whether or not the received content is valid (in a case where the additional information is received) (S230). The fact that the access to the received content is permitted means that the received content can be output, stored, and the like. For example, when the access to the received content is permitted, the controller 180 displays the received content on the display unit 151 or outputs audio information through the audio output unit 152 And may be permanently stored in the memory 160. Also, for example, if access to the received content is not allowed, the receiving mobile terminal 200 can not output the received content in any form. Or if the access to the received content is not allowed, only a specific type of output for the received content is limited.

Figure 9 shows an example of screens that are allowed access to the received content. The control unit 180 may provide the display unit 151 with a guidance window 32 indicating successful authentication as shown in FIG.

When receiving the additional information, the control unit 180 can provide the information about the content itself and the additional information 33 through confirmation of the user, as shown in FIG. 9 (c).

The control unit 180 can output the received content 20 as shown in FIG. 9 (b) if the authentication is successful and the access to the received content is permitted

If the obtained confirmation information does not match the received authentication information, the controller 180 does not allow access to the received content (S240). If access to the received content is not allowed, the controller 180 can not output the received content, so that the user can not confirm which content the received content is.

If the access to the received content is not allowed, the control unit 180 can immediately delete the received content. Alternatively, if the access to the received content is not permitted, the control unit 180 may again perform an authentication process for granting access to the received content after a predetermined period of time. The number of times the authentication process is performed again may be set.

Embodiments in which the method for transmitting / receiving a content of a mobile terminal according to the present invention are performed for each of the various authentication methods described above and specific operations of the mobile terminals 100 and 200 will be described.

Query authentication method

In the embodiments of the present invention described above, an authentication method that requires an answer composed of texts of a query composed of text among the query authentication methods has been described as an example.

According to an embodiment of the present invention, a query authentication method that requires an answer composed of audio for a question composed of text or audio is possible.

The sending mobile terminal 100 may request the answer to the question composed of the text or audio in audio form to allow access to the secured content. After receiving the answer to the question in audio format from the user, the receiving-side mobile terminal 100 recognizes the received audio information and compares it with the answer transmitted from the transmitting-side mobile terminal 100 , And determines whether the voice recognition result matches the received answer.

The security data transmitted from the transmitting mobile terminal 100 may include voice information of the user of the receiving mobile terminal 100 (e.g., a unique tone). In determining whether the received authentication information matches the confirmation information (voice information) received from the user, the receiving-side mobile terminal 200 not only determines whether the answer to the question is consistent, It is possible to judge whether or not the voice information matches the voice information received from the user.

The receiving-side mobile terminal (200), when the voice information of the user coincides with the received voice information, and when the result of voice recognition of the voice information and the received answer coincide with each other, .

motion ( motion ) Authentication method

If the motion authentication method is selected in step S120, the user of the transmitting-side mobile terminal 100 selects a user of the receiving-side mobile terminal 200 using the user interface provided by the transmitting- The motion of the user may be set, and the information on the set motion may be transmitted as the authentication information. The user of the transmitting-side mobile terminal 100 expects that access to the transmitted content is permitted only when the user of the receiving-side mobile terminal 200 performs the set motion.

The motion information set by the transmitting side mobile terminal 100 is information about a still image such as "smiling state" or information about a moving image including a plurality of still images such as "motion to draw a circle with a finger " It is possible.

The user interface for setting the motion may vary. For example, the user interface may be a camera 121 and a motion sensor provided in the transmitting-side mobile terminal 100. For example, the transmitting mobile terminal 100 may analyze and digitize a user's operation (one operation or a series of operations) through the camera 121 and the motion sensor. The motion sensor is included in the sensing unit 140.

Also, for example, the user interface may be an interface for receiving at least one of various motions (one operation or a series of operations) stored in advance in the memory 160.

The receiving-side mobile terminal 200 receives an image related to the motion of the user through the provided camera 121, analyzes the received image, and transmits the received motion information as the received authentication information And determines whether the analyzed images match. At this time, the receiving-side mobile terminal 200 can perform the received image analysis using the above-described motion sensor.

As a result of the determination, the receiving-side mobile terminal 200 permits access to the received content only when the received motion information matches the analyzed video.

10 is a diagram for explaining an example in which the receiving-side mobile terminal 200 performs the motion authentication method.

10 (a), the receiving-side mobile terminal 200 receives, from the transmitting-side mobile terminal 100, authentication information (motion information) corresponding to the motion authentication method and the motion authentication method Security data, and contents.

The receiving-side mobile terminal 200 inquires of the user whether or not to output the content received from the transmitting-side mobile terminal 100. The user may agree to the output of the received content for the query.

Referring to FIG. 10B, the receiving mobile terminal 200 activates the provided camera 121 upon receiving the consent of the user, previews the received camera 121 through the activated camera 121, ) Image and displays it. The receiving side mobile terminal 200 outputs a pop-up window 35 requesting the user to perform an operation corresponding to the motion information, depending on the motion authentication method and the motion information included in the received security data .

The receiving-side mobile terminal 200 acquires the operation of the user using the camera 121 or the camera and the motion sensor, and judges whether or not the obtained operation of the user matches the received motion information do.

The receiving mobile terminal 200 permits access to the contents 20 only when the obtained operation of the user matches the received motion information, as shown in Fig. 10 (c) .

Digital signature authentication method

In step S120, when the digital signature authentication method is selected, the transmitting-side mobile terminal 100 transmits the digital signature file of the user of the receiving-side mobile terminal 200 as the authentication information corresponding to the digital signature authentication method .

The digital signature file may be received directly from the user of the receiving-side mobile terminal 200 through the transmitting-side mobile terminal 100 or received from the receiving-side mobile terminal 200.

The transmitting side mobile terminal 100 transmits security data including the electronic signature authentication method, the electronic signature file as authentication information corresponding thereto, and contents to the receiving side mobile terminal 200.

11A and 11B are views for explaining an electronic signature authentication method according to an embodiment of the present invention. The digital signature information 25 shown in FIG. 11A is the digital signature of the user of the receiving-side mobile terminal 100 stored in the transmitting-side mobile terminal 100. FIG. That is, the digital signature information 25 corresponds to the authentication information corresponding to the digital signature authentication method.

The transmitting side mobile terminal 100 transmits the digital signature information 25 and the content 21 to the receiving side mobile terminal 200. [

Referring to FIG. 11B, the receiving-side mobile terminal 200 receives the digital signature 26 from the user and judges whether the received digital signature 26 matches the received digital signature information 25 . At this time, the receiving mobile terminal 200 can receive the digital signature 26 through the touch screen 151 or the touch pad.

The receiving mobile terminal 200 permits access to the received content 21 only when the input digital signature 25 and the received digital signature information 25 match.

Game authentication method

In step S120, when the game authentication method is selected, the transmitting mobile terminal 100 sets a specific mission that can be performed by the specific game application as authentication information corresponding to the game authentication method. The specific game application and the specific mission can be set by the user of the transmitting side mobile terminal 100. [ The user of the transmitting-side mobile terminal 100 expects that access to the transmitted content is permitted when the specific mobile terminal 200 performs a specific mission determined by the receiving-side mobile terminal 200 in a specific game.

For example, the user of the transmitting-side mobile terminal 100 can set "acquisition of 1000 points or more" in the game called "Tetris " as the authentication information. For example, the user of the sending side mobile terminal 100 can set "more than 80% success" in the game called "hidden picture search " as the authentication information.

The transmitting side mobile terminal 100 transmits information on the type of game set and information on the specific mission set as the authentication information to the receiving side mobile terminal 200 together with the content.

The transmitting mobile terminal 100 may transmit route information (for example, a specific web site) to which the set game is downloaded, in case the set mobile terminal 200 does not store the set game (URL) of the user.

In addition, the transmitting-side mobile terminal 100 may set a plurality of missions as the authentication information because the set-up mobile terminal 200 may not support the set mission. When one of the plurality of missions is performed in the receiving-side mobile terminal 200, authentication for accessing the content is successful.

The receiving-side mobile terminal 100 drives a game corresponding to the received game type, and allows access to the received content only when the received mission is performed. At this time, the receiving-side mobile terminal 100 may provide the received mission to the user in advance so that the degree of the user's need to perform the game can be predicted.

Location authentication method

In step S120, when the location authentication method is selected, the transmitting mobile terminal 100 sets the specific location information as the authentication information corresponding to the location authentication method. The user of the transmitting side mobile terminal 100 is a case where it is expected that access to the transmitted content is allowed when the location of the receiving side mobile terminal 200 corresponds to the specific location information.

The location information may include, for example, absolute GPS (Global Positioning System) coordinates, a specific address associated with the Internet map program, a specific cell ID or network ID, a subnet address of a particular access point (subnet) address, and related subnets when authentication is required in a network capable of IP (internet protocol) service.

For example, the user of the transmitting-side mobile terminal 100 may input GPS coordinates, set a location using an internet map, input a specific business name, or input already set location information (e.g., home, Company, subway station, etc.), the specific location information can be set as the authentication information.

The receiving-side mobile terminal 200 receives the security data including the positional authentication method as the authentication method and the positional information as the authentication information, and the content. The receiving-side mobile terminal 200 acquires the current position using the provided position information module 115. The receiving-side mobile terminal 200 determines whether the obtained current position matches the received position information. The receiving mobile terminal 200 permits access to the received content only when the obtained current location matches the received location information.

As described above, the recipient of the content can access the received content only when the current location of the recipient mobile terminal 200 matches the location set by the sender of the content.

The receiving-side mobile terminal 200 may further include a receiving unit 220 for receiving the current position and the received position information so that the acquired current position and the received position information coincide with each other, It is possible to guide the route to the place.

12 is a diagram showing an example of a screen for guiding a movement route in the receiving-side mobile terminal 200. As shown in Fig. Referring to FIG. 12 (a), the received location information ("Gangnam station") does not match the current location of the receiving mobile terminal 200. The receiving side mobile terminal 200 provides a query window 40 for guiding a route to a location corresponding to the received location information ("Gangnam Station"), as shown in Fig. 12 can do. The user can instruct or confirm the route guidance through the inquiry window 40. As a result, the receiving mobile terminal 200 can recognize the received location information ("Gangnam Station").

Status authentication method

In step S120, when the state authentication method is selected, the transmitting mobile terminal 100 sets a specific setting mode for the specific function provided by the mobile terminal as the authentication information.

For example, the user of the transmitting-side mobile terminal 100 may set either the bell sound mode or the vibration mode for the alarm function when receiving a call or a message as the authentication information. For example, the user of the transmitting-side mobile terminal 100 may set the remaining battery level as the authentication information. Also, for example, whether or not to connect to the Internet, whether or not the security mode is set, and the like can be set as the authentication information.

The receiving-side mobile terminal 200 includes a specific setting mode for the specific function received from the transmitting-side mobile terminal 100, a mode currently set for the specific function in the receiving-side mobile terminal 200, Are coincident with each other. The receiving mobile terminal 200 permits access to the content received from the transmitting mobile terminal 100 only when the received specific setting mode matches the current setting mode.

On the other hand, the receiving-side mobile terminal 200 may output a message informing that the current setting mode is changed to the received specific setting mode when the received specific setting mode and the current setting mode do not match .

The guide message may be transmitted from the transmitting mobile terminal 100 or stored in advance on the receiving mobile terminal 200. The receiving mobile terminal 200 may apply an algorithm for outputting the guidance message when the authentication scheme received from the transmitting mobile terminal 100 corresponds to the state authentication scheme. The algorithm for outputting the guidance message may be stored in the receiving mobile terminal 200 in advance.

Speed authentication method

In step S120, when the speed authentication method is selected, the transmitting mobile terminal 100 can set the information on the speed as the authentication information. For example, the user of the transmitting-side mobile terminal 100 may set "at least 30 km per hour" as the authentication information. The user of the transmitting-side mobile terminal 100 is expected to be allowed to access the transmitted content when the moving speed of the receiving-side mobile terminal 200 corresponds to the specific speed information.

The receiving-side mobile terminal 200 receives the speed information and the contents. The receiving mobile terminal 200 acquires the moving speed using the sensing unit 140 or the position information module 115 provided therein.

The receiving-side mobile terminal 200 determines whether the obtained moving speed and the received speed information coincide with each other. The receiving mobile terminal 200 permits access to the received content only when the obtained moving speed and the received speed information match.

On the other hand, the receiving-side mobile terminal 200 may output a message that induces the obtained moving speed to coincide with the received speed information when the obtained moving speed does not match the received speed information .

The guidance message may be transmitted from the transmitting-side mobile terminal 100 or stored in advance in the receiving-side mobile terminal 200. When the authentication method received from the transmitting-side mobile terminal 100 corresponds to the speed authentication method, the receiving-side mobile terminal 200 may apply an algorithm for outputting the guidance message. The algorithm for outputting the guidance message may be stored in the receiving mobile terminal 200 in advance.

Content authentication method

In step S120, when the content authentication method is selected, the transmitting mobile terminal 100 sets the existence of a specific content as the authentication information. For example, the user of the sender's mobile terminal 100 may store a specific phone number or name, a specific file (audio file, image file, video file, etc.), a call history list, an SMS / MMS recipient list Can be set as the authentication information. The transmitting side mobile terminal 100 can transmit the identification information of the specific content as the authentication information to the receiving side mobile terminal 200 together with the set content.

The receiving-side mobile terminal (200) receives, from the transmitting-side mobile terminal (100), the content and the identification information on the specific content as the authentication information. The receiving mobile terminal 200 determines whether the specific content corresponding to the received identification information exists in the memory 160 provided. The receiving mobile terminal 200 permits access to the received content only when the specific content corresponding to the received identification information exists in the memory 160. [

In the above-described embodiments, the transmitting mobile terminal 100 transmits only one piece of the security data including the authentication method and the authentication information. However, the present invention is not limited to this.

For example, the transmitting mobile terminal 100 can transmit a plurality of the security data. The transmitting mobile terminal 100 may be configured to grant access rights to the content when all of the plurality of authentication methods corresponding to the plurality of security data are successfully performed. Alternatively, the transmitting-side mobile terminal 100 may be configured to grant the access right to the contents if any one of the plurality of authentication methods corresponding to the plurality of security data is successfully performed.

The control code for granting access authority to the contents may be shared by the transmitting mobile terminal 100 and the receiving mobile terminal 200 or may be shared by the transmitting mobile terminal 100 200).

13 is a flowchart of a content receiving method of a receiving-side mobile terminal when a plurality of pieces of security data are transmitted together with a content. Referring to FIG. 13, a process of controlling the received data by the receiving-side mobile terminal 200 when the transmitting-side mobile terminal 100 transmits a plurality of security data together with the content will be described in detail do.

The control unit 180 receives n security data and contents from the transmitting mobile terminal 100 (S300). Where n is an integer greater than or equal to 2.

The controller 180 sets i to 1 (S310) and applies the authentication method included in the i-th security data among the received security data according to a predetermined priority (S320).

The predetermined priority is a procedure for determining which security data among the plurality of received security data is to be applied first to the authentication process according to the embodiment of the present invention. The predetermined priority may be a priority that is shared between the transmitting mobile terminal 100 and the receiving mobile terminal 200 in advance or transmitted from the transmitting mobile terminal 100 to the receiving mobile terminal 200 .

In step S320, the application of the authentication method may be performed according to the embodiments of the present invention described above.

The controller 180 determines whether authentication has been successfully performed in step S320 (S330). If the authentication is successful as a result of the determination in step S330, the controller 180 permits access to the received content (S230).

If the authentication is unsuccessful as a result of the determination in step S330, the controller 180 increments i by one (S340), and determines whether i is greater than n (S350).

If it is determined in step S350 that i is not greater than n, the controller 180 returns to step S320. If i is greater than n, the control unit 180 does not allow access to the received content because all the authentication methods corresponding to the received n pieces of security data have failed [S240].

FIG. 13 illustrates a case where access to the received content is allowed when any one of a plurality of authentication methods corresponding to the plurality of security data is successfully performed. As described above, according to the embodiment of the present invention, access to the received content may be permitted only when all of a plurality of authentication methods corresponding to the plurality of security data are successfully performed.

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

The method for transmitting and receiving contents of a mobile terminal according to the present invention can be executed through software. When executed in software, the constituent means of the present invention are code segments that perform the necessary tasks. The program or code segments may be stored in a processor readable medium or transmitted by a computer data signal coupled with a carrier wave in a transmission medium or a communication network.

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

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings. In addition, the embodiments described in this document can be applied to not only the present invention, but also all or some of the embodiments may be selectively combined so that various modifications can be made.

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

2A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

FIG. 2B is a rear perspective view of the portable terminal shown in FIG. 2A.

3A and 3B are front views of a portable terminal for explaining an operation state of the portable terminal according to the present invention.

4 is a flowchart of a content transmission method of a mobile terminal according to an embodiment of the present invention.

5A to 5G are views showing examples of screens in which a content transmission method of a mobile terminal according to an embodiment of the present invention is implemented.

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

7 is a detailed flowchart of step S210 of FIG.

8A, 8B and 9 are views showing examples of screens in which a content receiving method of a mobile terminal according to an embodiment of the present invention is implemented.

10 is a diagram for explaining an example in which the receiving-side mobile terminal 200 performs the motion authentication method.

11A and 11B are diagrams for explaining an electronic signature authentication method according to an embodiment of the present invention.

12 is a diagram showing an example of a screen for guiding a movement route in the receiving-side mobile terminal 200. As shown in Fig.

13 is a flowchart of a content receiving method of a receiving-side mobile terminal when a plurality of pieces of security data are transmitted together with a content.

Description of the Related Art

100: transmitting side mobile terminal 200: receiving side mobile terminal

110: wireless communication unit 130: user input unit

160: memory 180:

Claims (18)

A wireless communication unit; A memory for storing at least one of a first authentication method for requesting a user of an external terminal to input authentication information and a second authentication method for requesting switching of the current state of the external terminal to a specific state; And Receiving a selection signal for the authentication method when the content is transmitted to the external terminal, receiving authentication information necessary for allowing the external terminal to access the content according to the selected authentication method, And a control unit for transmitting the content to the external terminal through the wireless communication unit, Wherein, Receiving a selection signal for a plurality of authentication schemes among the stored at least one authentication schemes, receiving the authentication information for each of the selected plurality of authentication schemes, receiving the authentication information for each of the plurality of authentication schemes, And transmits the information on the ranking, the plurality of authentication methods, and the plurality of authentication information to the external terminal together with the content. delete delete 2. The method according to claim 1, A query authentication method for requesting an answer composed of text or voice for a question composed of text or voice; a motion authentication method for requesting a user of the external terminal to perform a specific operation; And a game authentication method for requesting a specific mission through the game application by driving a game application of the external terminal. 2. The method according to claim 1, A state authentication method for setting a location of the external terminal as the authentication information, a state authentication method for setting a specific setting mode for a specific function of the external terminal as the authentication information, And a content authentication method for setting the presence or absence of a specific content as the authentication information. delete delete delete delete delete delete delete delete delete A method for transmitting content in a mobile terminal, (A) setting a content to be transmitted to an external terminal; (B) a first authentication method for requesting the user of the external terminal to input authentication information when transmitting the content, and a second authentication method for requesting the user to switch the current state of the external terminal to a specific state, The method comprising: receiving a selection signal for an input signal; (C) receiving authentication information necessary for allowing access from the external terminal to the content according to the selected authentication method; And (D) security data including the selected authentication method and the input authentication information, and transmitting the content to the external terminal, Receiving a selection signal for a plurality of authentication schemes among the stored at least one authentication schemes, receiving the authentication information for each of the selected plurality of authentication schemes, receiving the authentication information for the selected plurality of authentication schemes, Transmitting the plurality of authentication methods and the plurality of authentication information together with the content to the external terminal; The method of claim 1, further comprising: delete delete delete

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