KR101650579B1 - Method for providing messenger using augmented reality in mobile terminal - Google Patents

Abstract

The method includes transmitting object information of a preview image obtained through a camera of a mobile communication terminal and position information of a terminal obtained through a position information module to an augmented reality server, Receiving augmented reality subscriber information and subscriber location information in a set range, and when the presence of the messenger buddy is confirmed by using the received augmented reality subscriber information, the augmented reality subscriber location information is augmented And displaying a messenger execution screen for displaying a buddy list according to the current status information of the buddies connected to the messenger server on a predetermined area of the display unit. In mobile communication terminal, And provides a messenger providing method using a thread.
According to the present invention, since the position information of the messenger buddy is superimposed on the camera preview using the augmented reality, the user can visually recognize the position information of the buddy through the camera preview screen intuitively and easily.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for providing a messenger using augmented reality in a mobile communication terminal,

The present invention relates to a method of providing a messenger using an augmented reality in a mobile communication terminal, and more particularly, to a method and apparatus for providing a messenger using augmented reality in a mobile communication terminal by using position information of buddies, And to provide a messenger for displaying current state information and conversation history of buddies, and a method of providing a messenger using augmented reality in a mobile communication terminal.

2. Description of the Related Art Generally, a mobile communication terminal is a portable device having one or more functions that can carry and perform voice and video communication, input / output of information, and data storage.

As the functions of the mobile communication terminal are diversified, for example, the mobile communication terminal has complicated functions such as photographing and photographing of a moving picture, reproduction of music or video file, reception of a game and broadcasting, and the like in the form of a multimedia player .

In order to implement complex functions in multimedia devices, various new attempts have been made in terms of hardware or software. For example, a user interface environment is provided for a user to easily and conveniently search for or select a function.

Here, augmented reality is a technique for providing additional information necessary for an actual photographed image (real environment) by overlaying a three-dimensional virtual object on an actually photographed image. There is a need to provide a variety of graphical user interface environments using the augmented reality technology in a mobile communication terminal.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a method and apparatus for displaying position information of buddies in a certain range from a current terminal position, using the image information of an object displayed in a camera preview, And a messenger for displaying a conversation history. The present invention provides a method for providing a messenger using augmented reality in a mobile communication terminal.

In order to solve the above problems, a method of providing a messenger using an augmented reality in a mobile communication terminal, which is an embodiment of the present invention, includes a step of acquiring object information of a preview image acquired through a camera of a mobile communication terminal, Receiving augmented reality subscriber information and subscriber location information within a predetermined range in a direction toward a terminal from the augmented reality server, receiving the augmented reality subscriber information using the received augmented reality subscriber information, A step of displaying an augmented reality subscriber identity icon superimposed on the preview image by using the augmented reality subscriber location information confirmed as a buddy, and a step of displaying a buddy list according to the current state information of the buddies connected to the messenger server A messenger execution screen to be displayed is displayed on the display section It characterized in that comprises a step of displaying a predetermined area.

According to an embodiment of the present invention, when there is a predetermined selection or touch on the augmented reality subscriber identity icon, at least one of a phone call menu, a message menu, an SNS menu, a chat menu, And displays a list of submenus on which the application can be executed on the display unit.

According to an embodiment of the present invention, the buddy list calculates a location of a mobile communication terminal of a user and a location of a mobile communication terminal of a buddy, and displays a buddy near the user on the top of the buddy list.

According to an embodiment of the present invention, when there is a predetermined selection or touch in the shortest distance transmission menu, the character that calculates the shortest distance of the mobile communication terminal of the buddy and the position of the mobile communication terminal is referred to as a short message And the like.

According to one embodiment of the present invention, when there is a predetermined selection or a touch in the shortest distance transmission menu, a map image indicating the position of the mobile communication terminal and the shortest path diagram of the mobile communication terminal of the buddy is captured, Through a chat of a messenger.

According to the present invention, since the position information of the messenger buddy is superimposed on the camera preview using the augmented reality, the user can visually recognize the position information of the buddy through the camera preview screen intuitively and easily.

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention.
2A is a front perspective view of a mobile communication terminal according to an embodiment of the present invention.
2B is a rear perspective view of a mobile communication terminal according to an embodiment of the present invention.
3 is a flowchart illustrating a method of providing a messenger using an augmented reality in a mobile communication terminal according to an exemplary embodiment of the present invention.
4 is a flowchart illustrating a transmission / reception relationship of information between a mobile communication terminal, a messenger server, and an augmented reality server according to an exemplary embodiment of the present invention.
5 is an image diagram of a mobile communication terminal in which an augmented reality subscriber identification icon is superimposed on a camera preview image according to an exemplary embodiment of the present invention.
6 is an image diagram of a mobile communication terminal capturing a shortest path between a user and a buddy according to an embodiment of the present invention.

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

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

However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

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

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

Hereinafter, the components will be described in order.

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

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. 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).

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 (DVF-H) And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

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

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

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. 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 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.

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.

In the present invention, the microphone serves as an acoustic sensor. That is, when the user hits the terminal to sense the user's operation with respect to the terminal, the user can sense the vibration of the terminal through the microphone 122. A shock sensor may be used instead of this microphone. The microphone and shock sensor can sense the operation of the user's terminal instead of the sensing unit.

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. 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. The sensing unit 140 may include a proximity sensor 141, a touch sensor 142, and a tilt sensor 143.

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 142 may take the form of, for example, a touch film, a touch sheet, or a touch pad.

The touch sensor 142 may be configured to convert a change in a pressure applied to a specific part of the display part 151 or a capacitance generated in a specific part of the display part 151 into an electrical input signal. The touch sensor 142 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 142, 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 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. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153.

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

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

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

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

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 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 131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101.

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

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 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.

A messenger for displaying the current state information of the buddies and the conversation history, displaying the location information of the buddies in a certain range from the current terminal location on the preview using the image information of the object displayed in the camera preview, A method of providing a messenger using an augmented reality will be described.

3 is a flowchart illustrating a method of providing a messenger using an augmented reality in a mobile communication terminal according to an exemplary embodiment of the present invention.

As shown in FIG. 3, the control unit drives the camera to display a preview screen on the display unit. The controller acquires current location information of the mobile communication terminal through a location information module (e.g., GPS). Thereafter, the control unit transmits the object information of the preview image acquired through the camera and the current position information of the mobile communication terminal obtained through the position information module to the augmented reality server (S31).

The augmented reality server searches the map database according to the location information of the received mobile communication terminal, reads the map information within a certain range in which the mobile communication terminal is located, compares the object information of the received preview image and the read map information The direction in which the mobile communication terminal is currently oriented is determined.

Here, the augmented reality server can receive information on a predetermined range in a direction toward the mobile communication terminal from the mobile communication terminal. Also, the augmented reality server can obtain location information of a plurality of mobile communication terminals within a preset range according to a direction of the mobile communication terminal by requesting it to a home location register of the mobile communication network, And compares the subscriber ID of the mobile communication terminal with the subscriber ID stored in the augmented reality subscriber database.

According to the comparison result, the augmented reality server receives the augmented reality subscriber information (for example, ID: 010-123-4567, URI: 1234@lge.com), which is located within a predetermined range according to a direction toward which the mobile communication terminal is aiming And location information to the mobile communication terminal (S33).

The control unit of the mobile communication terminal compares the received augmented reality subscriber information with the messenger buddy list information stored in the storage unit without checking the messenger server to confirm that it is a messenger buddy.

If it is determined that the received AR is a messenger buddy, the control unit displays the AR in the camera preview image so as to overlap the AR image using the AR area subscriber location information confirmed in step S35. Here, the augmented reality subscriber identity icon may be displayed as a photograph, name, etc. of buddies.

The control unit accesses the messenger server and displays a messenger execution screen displaying a buddy list according to the current state information of the received buddies in a predetermined area of the display unit (S37). Hereinafter, a procedure of accessing the messenger server and receiving the current status information of the buddies will be described in detail with reference to FIG.

4 is a flowchart illustrating a transmission / reception relationship of information between a mobile communication terminal, a messenger server, and an augmented reality server according to an exemplary embodiment of the present invention.

As shown in FIG. 4, in order to implement the present invention, the mobile communication terminal 100 may register data in the messenger server 300 and the augmented reality server 400 through a wireless Internet module, and then perform data communication.

Here, the messenger server 300 receives the presence information of the users (presentation tees) transmitted from the PUA (Presence User Agent, here, 100, buddy terminal 1, buddy terminal 2 ...) by using the PUBLISH method And store it. Also, the messenger server 300 notifies the PUA of the changed current state information by using the NOTIFY method when there is a request of the users' current state information using the SUBSCRIBE method from the PUA.

That is, as shown in FIG. 4, the mobile communication terminal 100 can continuously grasp the variation (e.g., on, off, away, busy, etc.) of the current status information of the buddies in cooperation with the messenger server 300 have.

That is, the control unit of the mobile communication terminal can grasp the current status information of the buddies by accessing the messenger server by using the messenger application, and also stores the buddy list forming the buddy relation with itself in the storage unit. Accordingly, the controller can check the messenger buddy list by comparing the received augmented reality subscriber information with the messenger buddy list information stored in the storage unit (S41). Explanations (S31, S33, S35) of the augmented reality server 400 are omitted in FIG. 3 because they have been described above.

Accordingly, the mobile communication terminal 100 displays location information of the buddies in the camera preview image in cooperation with the messenger server 300 and the augmented reality server 400, so that the user can visually recognize the location information of the buddy through the camera preview screen And can easily exchange information with the messenger function.

5 is an image diagram of a mobile communication terminal in which an augmented reality subscriber identification icon is superimposed on a camera preview image according to an exemplary embodiment of the present invention.

5, the control unit displays the augmented reality screen 500 in which the identification icons 515-1 to 515-6 according to the augmented reality subscriber location information confirmed to be buddy are superimposed on the camera preview image, Display. Here, the augmented reality subscriber identity icon may be displayed as a photograph, name, etc. of buddies.

Further, the control unit drives the messenger application and displays the messenger execution screen 510 in a predetermined area of the display unit. The messenger execution screen 510 displays buddy lists 511 to 516 indicating current state information of buddies.

The control unit calculates the distance between the mobile communication terminal of the user and the position information of the mobile communication terminal of the buddy received from the augmented reality server so that the buddy near the user can be displayed at the top of the buddy list. 5, chowon 5 511-1, sara 512-1, haps 513-1, and kimbab 514-1 are displayed on the camera preview image showing identification icons 511-1 through 516-1. the lian05 515-1 and the park 516-1 in this order from the top of the messenger execution screen in the order of the chowon5 511-1 to the park 516-1, A list can be displayed.

Meanwhile, when the user changes the image of the camera preview by rotating or moving the mobile communication terminal, or when the position of the mobile communication terminal of the buddies is changed, the distance between the mobile communication terminal and the mobile communication terminal is calculated using the positional information according to the change, The user can change the buddy list on the messenger execution screen.

6 is an image diagram of a mobile communication terminal capturing a shortest path between a user and a buddy according to an embodiment of the present invention.

As shown in FIG. 6A, a messenger execution screen 510 including an augmented reality screen 500 and a buddy list is displayed on the display unit as in FIG. Here, if the user has a predetermined selection or touch on the augmented reality subscriber identification icon (park), the control unit can execute at least one application such as a phone call menu, a message menu, an SNS menu, a chat menu, The lower menu list 600 can be displayed on the display unit.

The user can select any one of the sub menu lists 600 and execute the corresponding application easily. For example, the user can select a telephone call menu in the lower menu list 600 and attempt to make a call to the park. The user can easily send a message to the park by selecting a message transmission menu.

Also, when the user selects the shortest distance transmission menu in the lower menu list 600, the control unit transmits the character, which calculates the shortest distance of the mobile communication terminal of the buddy and the position of the mobile communication terminal, to the park through a short message or a chat of the instant messenger . For example, park can send a short message that says "The user is located within a radius of 30m".

6 (b), when the user selects the shortest distance transmission menu in the lower menu list 600, the controller determines the shortest distance transmission menu among the position of the mobile communication terminal and the shortest path of the mobile communication terminal of the buddy Captures the map image 610 showing the figure and transmits it to the park through the MMS. In addition, since the instant messenger application is currently running, the captured map image can be attached to the park using the IM chat function.

Therefore, the user can communicate variously by recognizing the location information of the buddy more visually through the camera preview screen intuitively as well as the communication activities between the buddies through the messenger.

Further, according to an embodiment of the present invention, the above-described method 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 communication terminal and the control method applied thereto are not limited to the configuration and method of the above-described embodiments, but the embodiments can be applied to all or some of the embodiments May be selectively combined.

100: mobile communication terminal 300: messenger server
400: augmented reality server

Claims (5)

Transmitting the object information of the preview image obtained through the camera of the mobile communication terminal and the position information of the mobile communication terminal obtained through the position information module to the augmented reality server;
Searching the map database based on the location information of the mobile communication terminal, reading the map information within a certain range in which the mobile communication terminal is located, comparing the object information of the preview image with the read map information, Determining a direction in which the terminal is currently oriented;
Requesting and obtaining a subscriber ID and location information of another mobile communication terminal within a preset range corresponding to the determined direction of the mobile communication terminal to a home location register of the mobile communication network;
Comparing the obtained subscriber ID of the mobile communication terminal with the subscriber ID stored in the augmented reality subscriber database;
Receiving augmented reality subscriber information and augmented reality subscriber location information within a predetermined range corresponding to a direction that the mobile communication terminal is aiming at from the augmented reality server;
Displaying the augmented reality subscriber identification icon in a superimposed manner on the preview image using the augmented reality subscriber location information that has been confirmed to be a buddy when the messenger buddy is confirmed using the received augmented reality subscriber information; And
And displaying a messenger execution screen for displaying a buddy list according to current status information of buddies connected to the messenger server in a predetermined area of the display unit. .
The method according to claim 1,
A sub menu list capable of executing at least one application such as a phone call menu, a message menu, an SNS menu, a chat menu, a shortest distance transmission menu, or the like is displayed on the display The method of claim 1, wherein the mobile communication terminal is a mobile communication terminal.
The method according to claim 1,
Wherein the buddy list calculates a position of the mobile communication terminal and a position of the mobile communication terminal of the buddy and displays a buddy that is close to the user on the top of the buddy list. Delivery method.
3. The method of claim 2,
When the shortest distance transmission menu has a predetermined selection or a touch, a character that calculates the position of the mobile communication terminal and the shortest distance of the mobile communication terminal of the buddy is transmitted through a short message or a chat of the messenger Wherein the mobile communication terminal is a mobile communication terminal.
3. The method of claim 2,
If there is a predetermined selection or touch in the shortest distance transmission menu, captures a map image showing the position of the mobile communication terminal and the shortest path diagram of the mobile communication terminal of the buddy, and transmits the map image through the MMS or chat Wherein the mobile communication terminal is a mobile communication terminal.

Images