KR20120062165A - Mobile terminal and method for controlling the same - Google Patents

Abstract

PURPOSE: A portable terminal and control method thereof are provided to enable a user to rapidly recognize information related to an object and a location of the object by displaying information recorded in the read RFID tag. CONSTITUTION: A location information unit(115) grasps a current location of a portable terminal. A camera(121) inputs a preview image for AR(Augmented Reality). A display unit(151) displays the preview image. An RFID(Radio Frequency Identification) reader is attached to an outside object and reads an RFID tag recording information related to the object. A control unit(180) displays the information related to the object recorded in the RFID tag and reads the RFID tag attached to the object within the preview image based on the current location of the portable terminal.

Description

MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME}

The present invention relates to a mobile terminal and a method of controlling the same so that user's convenience can be further considered to enable the use of the terminal.

The terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal may be further classified into a handheld terminal and a vehicle mount terminal according to whether a user can directly carry it.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and increase the function of such a terminal, it may be considered to improve the structural part and / or the software part of the terminal.

Recently, mobile terminals have an augmented reality (also called "augmented reality" or "AR") function that provides information about an object located in a preview image of a camera.

An object of the present invention is to attach an RFID tag in which the information related to the object and the location information of the object is recorded on the favorite object, and if the object to which the RFID tag is attached on the augmented reality screen, attach to the RFID tag Another object of the present invention is to provide a mobile terminal for displaying the object related information and a control method thereof.

According to an aspect of the present invention, there is provided a mobile terminal comprising: a location information unit for grasping a current location of a mobile terminal; A camera to which a preview image for augmented reality is input; A display unit displaying the preview image; An RFID reader unit attached to an external object and reading an RFID tag in which information related to the object is recorded; And a controller configured to read an RFID tag attached to an object in the preview image based on a current position of the mobile terminal and to display object related information recorded in the read RFID tag in the preview image.

In addition, the control method of the mobile terminal according to the present invention comprises the steps of: displaying a preview image of the camera for augmented reality; Determining a current location of the mobile terminal; Reading an RFID tag attached to an object in the preview image on the basis of the determined current position by using the RFID reader provided in the mobile terminal and recording information related to the object; And displaying object related information recorded in the read RFID tag.

A mobile terminal and a method of controlling the same according to the present invention read a RFID tag attached to a favorite object on an augmented reality screen and display information related to the object recorded on the read RFID tag, thereby allowing a user to display the augmented reality screen. There is an effect that can quickly know the location of the object and the object associated with the favorite on the object.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2A is a front perspective view of a mobile terminal according to an embodiment of the present invention.
2B is a rear perspective view of a mobile terminal according to an embodiment of the present invention.
3 is a flowchart illustrating a process of recording location information of the object and information related to the object in an RFID tag to be attached to a favorite object according to the present invention.
4 is a screen state diagram illustrating a process of recording location information of the object and information related to the object in an RFID tag to be attached to a favorite object according to the present invention.
FIG. 5 is a flowchart illustrating a process of displaying object related information recorded on an RFID tag when an object having an RFID tag is present in an AR image according to the present invention.
6 to 21 are screen state diagrams illustrating a process of displaying object related information recorded in an RFID tag when an object having an RFID tag is present in an AR image according to 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), and navigation. However, it will be readily apparent to those skilled in the art that the configuration according to the embodiments described herein may be applied to fixed terminals such as digital TVs, desktop computers, etc., except for components applicable only to mobile terminals.

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

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

Hereinafter, the components will be described in order.

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

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

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

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

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

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 A digital broadcasting system such as DVB-CB, OMA-BCAST, or Integrated Services Digital Broadcast-Terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be configured to be suitable for not only the above-described digital broadcasting system but also other broadcasting systems.

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 a wireless signal with 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 according to transmission and reception of a voice call signal, a video call signal, or a text / multimedia message.

In addition, the mobile communication module 112 transmits current location information of the mobile terminal 100 obtained through the location information module 115 described later to an external map providing server (not shown), and the map providing server. Data related to the area in which the mobile terminal 100 is located may be received or downloaded from the mobile station 100.

In this case, the map may include detailed map data in the region in addition to the image indicating the region where the mobile terminal 100 is located.

In addition, the map data may include an object information database about objects located within a specific radius of the region. In this case, the objects may be, for example, a building or a building, and may also be a hospital, a restaurant, a public restroom, a police station, a resident center, etc. located in the building or the building.

In addition, the map data includes an actual photorealistic image of each region, location information of objects included in the photorealistic image, and detailed information about the objects.

In this case, the live-action image may be an image having the same viewpoint as the preview image input through the camera 121 or may be an image corresponding to an aerial viewpoint.

The wireless internet module 113 refers to a module for wireless internet access and may be embedded or external to the mobile terminal 100. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

In addition, as described above, the wireless internet module 113 may receive or download the data related to the area where the mobile terminal 100 is located from the external server.

The short range communication module 114 refers to a module for short range communication. As a short range communication technology, Bluetooth, infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like may be used.

In addition, the short-range communication module 114 may receive or download the data related to the area where the mobile terminal 100 is located from the external server or another terminal located in close proximity as described above.

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

Referring to FIG. 1, the A / V input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes an image frame such as a still image or a moving image obtained by an image sensor in a video call mode or a photographing mode. The processed image frame may 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 according to the use environment.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into 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. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the terminal. The user input unit 130 may include a key pad, a 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 may sense whether the slide phone is opened or closed. In addition, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. The sensing unit 140 may include a proximity sensor 141. This will be described later with reference to the touch screen.

The output unit 150 is used to generate an output related to visual, auditory or tactile senses, which includes a display unit 151, an audio output module 152, an alarm unit 153, a haptic module 154, and a projector module ( 155) may be included.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a shooting mode, the mobile terminal 100 displays a captured image and / or a received image, UI, or GUI.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of a 3D display.

Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED). The rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

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

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 151 may be configured in addition to an output device. Can also be used as an input device. The touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

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

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller (not shown). The touch controller processes the signal (s) and then transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

The proximity sensor 141 may be disposed in an inner region of the mobile terminal surrounded by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

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

Hereinafter, for convenience of explanation, the act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

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

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

The alarm module 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. The alarm module 153 may output a signal for notifying the occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. Since the video signal or the audio signal may be output through the display unit 151 or the audio output module 152, in this case, the display unit 151 and the audio output module 152 are a kind of alarm module 153. May be classified.

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

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

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

The projector module 155 is a component for performing an image project function using the mobile terminal 100 and is similar to the image displayed on the display unit 151 in accordance with a control signal of the controller 180 Or at least partly display another image on an external screen or wall.

Specifically, the projector module 155 includes a light source (not shown) that generates light (for example, laser light) for outputting an image to the outside, a light source And a lens (not shown) for enlarging and outputting the image at a predetermined focal distance to the outside. Further, the projector module 155 may include a device (not shown) capable of mechanically moving the lens or the entire module to adjust the image projection direction.

The projector module 155 can be divided into a CRT (Cathode Ray Tube) module, an LCD (Liquid Crystal Display) module and a DLP (Digital Light Processing) module according to the type of the display means. In particular, the DLP module may be advantageous for miniaturization of the projector module 151 by enlarging and projecting an image generated by reflecting light generated from a light source on a DMD (Digital Micromirror Device) chip.

Preferably, the projector module 155 may be provided longitudinally on the side, front or back side of the mobile terminal 100. It goes without saying that the projector module 155 may be provided at any position of the mobile terminal 100 as occasion demands.

The memory 160 may store a program for processing and controlling the controller 180, and input / output data (for example, a phone book, a message, an audio, a still image (or a picture), a video, etc.). You can also perform a function for temporary storage of. The memory unit 160 may store a frequency of use of each of the data (eg, a phone number, a message, and a frequency of use of each multimedia).

In addition, the memory 160 stores the shape recognition information associated with the object in the preview image captured by the camera 121 or the object with the RFID tag and the location information module 115 of the mobile terminal 100. An object information database regarding object information of the object (eg, a building, a store, a milestone, etc.) that can be searched using at least one of the location information may be stored.

The object information may include related text information (eg, the building or the store name) of the shape-recognized object, related link information (eg, the link information of the building or the store), related image information (eg, For example, the image may include at least one of an image logo of the building or the store) (not limited thereto), and related audio information (for example, a logo song of the building or the store).

In addition, the object information database stored in the memory 160 may be downloaded or updated from a database of an external map providing server through the wireless communication unit 110. In addition, the object information database stored in the memory 160 may be a whole of the database of the map providing server is downloaded, a portion of the database of the map providing server is downloaded in consideration of the capacity of the memory 160 Can be.

Part of the database of the map providing server is for an object within a certain distance from the current location of the mobile terminal 100, or in a certain area (for example, an administrative area) related to the current location of the mobile terminal 100. It may be for an object.

In addition, a plurality of contact information including a plurality of counterpart image images are stored in the memory 160. The contact information may include a name of the corresponding party, an image image, a phone number, an e-mail address, a fax number, and the like.

In addition, the memory 160 may store data about vibrations and sounds of various patterns that are output 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, etc.) ), A random access memory (RAM), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- A magnetic disk, an optical disk, a memory, a magnetic disk, 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 with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

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

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

The controller 180 typically controls the overall operation of the mobile terminal. For example, perform related control and processing for voice calls, data communications, video calls, and the like. The controller 180 may include a multimedia module 181 for playing multimedia. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform shape recognition processing (for example, image or pattern recognition processing) for recognizing a writing input or a drawing input performed on the touch screen as a character and an image, respectively. The controller 180 may identify a desired image part from a predetermined image (for example, a camera preview image or a reproduced image) through the shape recognition process.

The controller 180 may be configured to implement Augmented Reality (also referred to as "augmented reality" or "AR") technology. The extended reality is one of the virtual reality that the user combines the real world that the user sees with the virtual world having additional information in one image. In other words, extended reality, a concept that complements the real world with a virtual world, serves to provide additional information necessary for the real world in graphics. The controller 180 may display the object information in the form of extended reality.

The controller 180 may include an object information module (not shown) for processing related to the display of the object information. The object information module (not shown) may be implemented in the controller 180 or may be implemented separately from the controller 180.

When the communication with the external RFID tag is connected through the wireless communication unit 110 or the interface unit 170, the RFID recording unit 182 records and stores information input or selected by the user in the RFID tag.

In this case, the user may use the RFID recorder 182 to record location information of the favorite object and information related to the object in the RFID tag. That is, the user locates the mobile terminal 100 in close proximity to the RFID tag, and uses the location information module 115 of the mobile terminal 100 to determine the current location of the mobile terminal 100 and the grasp. The location of the mobile terminal 100 can be used as the location of the RFID tag. That is, the user uses the location information of the mobile terminal 100 adjacent to the RFID tag as the location information of the RFID tag, and records the location information in the RFID tag through the RFID recording unit 182.

The RFID reader unit 184 recognizes an RFID tag attached to an object located around the mobile terminal 100, and reads the information recorded in the RFID tag. Hereinafter, in the present invention, for the convenience of description, the RFID reader unit 184 recognizes the information recorded in the RFID tag by using radio waves.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

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

According to a hardware implementation, the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the controller 180 itself.

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

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

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

The body includes a casing (casing, housing, cover, etc.) that forms an exterior. In this embodiment, the case may be divided into a front case 101 and a rear case 102. Various electronic components are built in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

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

The display unit 151, the audio output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, and the interface 170 may be disposed in the terminal body, mainly the front case 101. have.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 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 and the interface 170 may be disposed on side surfaces of the front case 101 and the rear case 102.

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion.

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

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

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

For example, the camera 121 has a low pixel so that the user's face is photographed and transmitted to the counterpart in case of a video call, and the camera 121 'photographs a general subject and does not transmit it immediately. It is desirable to have a high pixel because there are many. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable. Of course, the camera 121 'of the rear case 102 may be used for a video call.

A flash 123 and a mirror 124 may be additionally disposed adjacent to the camera 121 '. The flash 123 shines light toward the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to see his / her own face or the like when photographing (self-photographing) the user using the camera 121 '.

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

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

A power supply unit 190 for supplying power to the mobile terminal 100 is mounted on the terminal body. The power supply unit 190 may be embedded in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may be further equipped with a touch pad 135 for sensing a touch. The touch pad 135 may be of a light transmission type for the display unit 151. [ In this case, if the display unit 151 is configured to output visual information on both sides (i.e., in the direction of both the front and rear surfaces of the mobile terminal), the visual information may be recognized through the touch pad 135. do. The information output on both surfaces may be controlled by the touch pad 135.

Meanwhile, since a display dedicated to the touch pad 135 is separately installed, the touch screen may be disposed on the rear case 102.

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

Hereinafter, referring to FIGS. 3 to 21, according to the present invention, an RFID tag in which information related to the object and location information of the object are recorded is attached to a favorite object, and the RFID tag is attached on an augmented reality screen. If an object exists, a process of displaying the object related information attached to the RFID tag will be described in detail.

First, a process of recording object related information and object position information in an RFID tag will be described in detail with reference to FIGS. 3 and 4.

3 is a flowchart illustrating a process of recording location information of the object and information related to the object in an RFID tag to be attached to a favorite object according to the present invention.

4 is a screen state diagram illustrating a process of recording location information of the object and information related to the object in an RFID tag to be attached to a favorite object according to the present invention.

3 and 4, the controller 180 of the mobile terminal 100 records object related information and object position information in the RFID tag in two ways [S31].

First, the controller 180 connects communication with an external RFID tag through the wireless communication unit 110 or the interface unit 170, and when information and location information related to a specific object to be recorded on the RFID tag are input from a user, The object related information and location information input through the RFID recording unit 182 may be recorded and stored in the RFID tag.

The object related information may include a name of an object to which the RFID tag is to be attached, an image related to the object, and detailed information related to the object.

In this case, as described above, the user may position the mobile terminal 100 close to the RFID tag, and record the location information of the mobile terminal 100 as the location information of the RFID tag on the RFID tag. In addition, the user may directly record location information, that is, latitude and longitude values, for the RFID tag in the RFID tag.

Meanwhile, a user accesses a website using the mobile terminal 100, searches for information related to an object to which the RFID tag is to be attached, and records the searched object related information in the RFID tag. can do.

Second, the controller 180 reads the identification number information of the RFID tag through the RFID reader unit 184 and provides external object related information with the identification number information of the read RFID tag through the wireless communication unit 110. The object related information corresponding to the identification number information of the RFID tag may be transmitted to the server, and the received object related information may be recorded in the RFID tag through the RFID recorder 182.

As described above, the controller 180 records information related to the object to which the RFID tag is attached and location information of the object in the RFID tag, and when the RFID tag is attached to the object by the user [S32], Display the search list [S33].

The favorite list is a list including objects that the user likes, and the RFID tag identification number information to which the corresponding objects are attached, and object related information and location information to which the RFID tag is attached are mapped with each other.

FIG. 4 shows that the object 310 to which the RFID tag 320 is attached is "novel book" in FIG. 3, tag identification number information 321 and location information of the object 310 in the RFID tag 320. 323 and object related information 322, 324, and 325 are recorded.

Hereinafter, a process of displaying the object related information attached to the RFID tag when the object with the RFID tag is present in the augmented reality preview image will be described in detail with reference to FIGS. 5 to 21.

FIG. 5 is a flowchart illustrating a process of displaying object related information recorded on an RFID tag when an object having an RFID tag is present in an AR image according to the present invention.

6 to 21 are screen state diagrams illustrating a process of displaying object related information recorded in an RFID tag when an object having an RFID tag is present in an AR image according to the present invention.

5 to 21, when a menu function for augmented reality is selected by the user, the controller 180 of the mobile terminal 100 drives the camera 121 [S51] and through the camera 121. The input preview image 300 of the current region is displayed on the touch screen 151 [S52]

In addition, the controller 180 determines the current location of the mobile terminal 100 through the location information module 115 [S53]. That is, the location information module 115 receives location information including latitude, longitude, altitude and direction of the mobile terminal 100 from the satellite under the control of the controller 180.

Subsequently, the controller 180 may determine object information about one or more objects existing in the preview image 300 in the object information database in the memory 160 based on the identified current position of the mobile terminal 100. 11, 12) [S54].

In addition, the controller 180 may recognize the shape of one or more objects existing in the preview image 300, and search for object information corresponding to the recognized shape in the object information database in the memory 160. .

In addition, the object information includes a name of the object, a contact, a detailed location, and the like.

As described above, when the object information 11 and 12 regarding the objects existing in the preview image 300 are found in the object information database, the controller 180 reads the retrieved object information 11 and 12. The positions of the corresponding objects in the preview image are displayed by an augmented reality technique [S55].

Meanwhile, according to the present invention, the controller 180 drives the RFID reader unit 184 when a command for searching for the RFID tag-attached object 310 among the objects included in the preview image 300 is input. The RFID tag attached to the object 310 located in the area corresponding to the preview image 300 is read through the RFID reader 184 [S57].

In the RFID tag, object related information to which the RFID tag is attached and position information of the object are recorded. In this case, the object related information and the object location information recorded in the RFID tag may be recorded by the user directly or previously recorded by others by the above-described processes of FIGS. 3 and 4.

In addition, the identification number information of the RFID tag is recorded in the RFID tag, and the controller 180 identifies the identification number information of the RFID tag through the RFID reader unit 184, and controls the wireless communication unit 110. The server may be connected to a server providing object related information and location information corresponding to the RFID tag identification number information, and may receive object related information and location information corresponding to the RFID tag identification number information from the server.

As described above, the controller 180 determines the object related information and the position information of the object recorded in the RFID tag through the RFID reader 184 [S58].

The controller 180 determines the position of the RFID tag-attached object 310 in the preview image 300 by using the identified object position and the position of the terminal 100 [S59]. The object related information 320 recorded in the RFID tag is displayed at the identified object 310 [S60].

That is, FIG. 6 shows that the object related information 320 recorded in the RFID tag is displayed at the position of the object 310 to which the RFID tag is attached in the current preview image 300 in steps S56 to S60. have.

Meanwhile, when the displayed object related information 320 is selected, the controller 180 selects the selected object related information 320, location information of the object 310 corresponding to the object related information 320, and the object ( The RFID tag identification number information attached to 310 is mapped to each other, the mapped information is stored in the memory 160, and registered in the favorites list of FIGS. 3 and 4 described above.

Meanwhile, as illustrated in FIGS. 7 to 9, the controller 180 provides a UI for designating a search distance range of at least one RFID tag in the preview image 300, and provides a specific search through the UI. If a distance range is specified, one or more RFID tags located within the designated search distance range may be read, and object related information recorded on the read RFID tag may be displayed.

That is, although not illustrated in FIGS. 7 to 9, the controller 180 may receive the search distance range through the numeric keys provided in the user input unit 130.

For example, when a user inputs "5" using the numeric keys, the controller 180 reads an RFID tag attached to an object located within a "5" meter in the preview image 300, and the read RFID Display object related information recorded in tag.

Subsequently, as shown in FIG. 7A, when the command for searching for an RFID tag is input in the preview image 300 including the object information 11 and 12, FIG. 7. As shown in (b) of FIG. 1, the touch gesture of the user is detected on the preview image 300.

When the controller 180 inputs a touch gesture 410 having a specific number ("5") shape on the preview image 300, the controller 180 is an object located within the "5" meter in the preview image 300. The RFID tag attached to the 310 is read, and the object related information 320 recorded in the read RFID tag is displayed.

Next, as shown in (a) of FIG. 8, when the command for searching for the RFID tag is input in the preview image 300 including the object information 11 and 12, FIG. 8. As shown in (b) of the, as the search distance designation UI, a bar 420 divided into a plurality of different search distance ranges in descending or ascending order is displayed on the preview image 300.

When a specific search distance range (“5”) 421 is selected from among search distance ranges defined in the bar 420, the controller 180 selects the selected search distance as shown in FIG. 8C. The RFID tag attached to the object 310 located within the range ("5") 421 is read, and the object related information 320 recorded on the read RFID tag is displayed.

Next, as shown in (a) of FIG. 9, when the command for searching for an RFID tag is input in the preview image 300 including the object information 11 and 12, FIG. 9. As shown in (b) of FIG. 1, as the search distance range UI, a circular shape 430 whose size can be changed is displayed on the preview image 300.

If the size of the circle shape 430 corresponds to the "5" meter search radius 431 by the user, the controller 180 changes the size of the circle shape 430 as shown in (c) of FIG. 9. The RFID tag attached to the object 310 located within the meter search radius 431 is read, and the object related information 320 recorded on the read RFID tag is displayed.

Next, when specific RFID tag information is selected on the favorites list set in FIGS. 3 and 4, as shown in FIG. 10, the controller 180 reads the selected RFID tag and reads the read RFID. Object-related information recorded in a tag can be displayed.

As shown in FIG. 10A, when the command for searching for an RFID tag is input in the preview image 300 including the object information 11 and 12, FIG. As shown in FIG. 3, the favorites list 440 set in FIGS. 3 and 4 is displayed.

When the specific RFID tag information 441 is selected in the favorite list 440, the controller 180 displays the selected RFID tag information through the RFID reader 184 as illustrated in FIG. 10C. Reading the RFID tag having a, and displays the object related information 320 recorded in the read RFID tag.

Next, as illustrated in FIG. 11, the controller 180 provides a UI for inputting a search word in the preview image 300, and when a specific search word is input through the search word input UI, the input search word Reading an RFID tag associated with the RFID tag and displaying object-related information recorded in the read RFID tag.

As illustrated in (a) of FIG. 11, when the command for searching for an RFID tag is input in the preview image 300 including the object information 11 and 12, FIG. As shown in FIG. 3, the search word input UI 450 is displayed in the preview image 300.

When the search word ("novel book") 451 is input through the search word input UI 450, the controller 180 attaches an RFID tag attached to objects located in the preview image 300 through the RFID reader 184. Reads object related information recorded in.

In addition, the controller 180 identifies object related information including the search term (“novel book”) 451 among the read object related information, and as shown in FIG. The object related information 320 is displayed at the location of the object 310.

In this case, if the object related information including the search word (“novel book”) 451 is not found among the read object related information, the controller 180 may be stored in the favorite list 440 stored in the memory 160. May search for and display information related to the object associated with the search word (“novel book”) 451.

In addition, the controller 180 transmits the input search word ("novel book") 451 through the wireless communication unit 110 to an external server, and transmits the search word ("novel book") 451 from the server. Receive corresponding RFID tag information. In this case, when the external server includes a plurality of RFID tag information and a signal including the search word (“novel book”) 451 is received from the mobile terminal 100, the search word (s) among the stored RFID tag information ( The RFID tag information including the "novel book" 451 may be retrieved and the retrieved RFID tag information may be transmitted to the mobile terminal 100. The controller 180 reads the RFID tag in which the received RFID tag information is recorded in the preview image 300, and displays object related information recorded in the read RFID tag.

Next, as shown in FIG. 12, the controller 180 displays an object 310 corresponding to the object related information 320 displayed in the preview image 300 in the preview image 300. You can highlight them to identify them well.

First, as illustrated in FIG. 12A, when the object related information 320 is displayed by the process of FIG. 5, the controller 180 may correspond to the object 310 corresponding to the object related information 320. By enlarging and displaying a predetermined size, the object 310 can be displayed to be highlighted in the preview image 300.

Next, as shown in (b) of FIG. 12, when the object related information 320 is displayed by the process of FIG. 5, the controller 180 displays an object corresponding to the object related information 320. By blinking 310 at predetermined intervals, the object 310 may be displayed to be highlighted in the preview image 300.

Lastly, as shown in FIG. 12C, when the object related information 320 is displayed by the process of FIG. 5, the controller 180 displays the object related information (in the preview image 300). By not displaying or transparently displaying the remaining object information 11 and 12 except for 320, the object 310 may be displayed to be highlighted in the preview image 300.

In addition, although not shown in FIG. 12, the object related information 320 may be highlighted in the same manner as the object 310 described with reference to FIG. 12.

Next, as shown in FIGS. 13 and 14, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 details the object related information 320. May be displayed in the preview image 300.

That is, as shown in FIG. 13A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects the selected object related information 320 in the memory 160. ), And the retrieved details are displayed as shown in (b) of FIG. 13.

In addition, as shown in FIG. 14A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects the object-related information 320 as shown in FIG. 14B. When the RFID tag information corresponding to the selected object related information 320 is transmitted to the server, and the details of the object related information 320 are received from the server, as shown in FIG. The details of the received object related information 320 are displayed.

Next, as shown in FIG. 15, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 may select the selected object related information 320 in one or more ways. It provides an editing UI 460 that can be edited.

That is, as shown in FIG. 15A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects the object related information 320 as shown in FIG. 15B. The editing UI 460 is displayed in the preview image 300.

When the object related information 320 is edited in one or more ways through the editing UI 460, the controller 180 reflects the edited result in the object related information 320.

For example, in FIG. 15B, the editing UI 460 may include a first editing function 461 for deleting the object related information 320, and a content for adding content in the object related information 320. 2, the editing function 462 and the third editing function 463 for changing the display style of the object related information 320 are shown.

That is, when the first editing function 461 is selected, the controller 180 may delete the object related information 320 in the preview image 300. In addition, when the second editing function 462 is selected, the controller 180 displays an input window for adding content of the object related information 320 in the preview image 300, and opens the content adding input window. When the content to be added through the input is input, the input additional content is written in the object related information 320. In addition, when the third editing function 463 is selected, the controller 180 displays a change window for changing the display style of the object related information 320 in the preview image 300 and through the change window. When the display style to be changed is set, the set display style may be applied to the object related information 320 to be displayed.

Next, as shown in FIGS. 16 and 17, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects the selected object related information 320 by one. It can transmit to the above counterpart.

First, as shown in FIG. 16A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 displays a memory as shown in FIG. 16B. The contact list 470 included in the 160 is displayed in the preview image 300.

When the contact 471 of a specific counterpart is selected on the contact list 470, as illustrated in FIG. 16C, the controller 180 may use the selected object related information through the wireless communication unit 110. 320 is transmitted to the contact 471 of the selected counterpart.

Next, as shown in (a) of FIG. 16, an image Alice of a specific person is included in the preview image 300 including the object related information 320, and the object related information 320 and When the image Alice is selected, the shape of the selected image Alice is recognized. In this case, the controller 180 may recognize the shape of the image in the preview image 300 using a conventional object tracking algorithm.

In this case, the user may multi-touch the object related information 320 and the image Alice and select the object related information 320 by dragging and dropping the object related information 320 to the image Alice.

When the shape of the image Alice is recognized, the controller 180 searches for contact information in which the recognized image is registered among contact information included in the memory 160.

The controller 180 transmits the selected object related information 320 to the counterpart corresponding to the retrieved contact information through the wireless communication unit 110.

Next, as illustrated in FIGS. 18 to 20, the controller 180 may include a distance from a current location to an object 310 corresponding to the object related information 320, an estimated time required for movement, Information such as azimuth and movement path can be provided.

That is, as shown in FIG. 18A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects the current position of the mobile terminal 100 and the object related information. The distance from the current location to the object 310 and the estimated travel time are calculated using the location information of the object 310 corresponding to 320, and as shown in FIG. 18B, the Information 481 representing the calculated distance and estimated travel time may be displayed in the preview image 300.

In addition, as illustrated in FIG. 19A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects a current position of the mobile terminal 100 and the object related information. An orientation from the current position to the object 310 is calculated using the location information of the object 310 corresponding to 320, and as shown in FIG. 19B, the calculated orientation is represented. Information 482 may be displayed in the preview image 300.

In addition, as shown in FIG. 20A, when the object related information 320 displayed in the preview image 300 is selected, the controller 180 selects the current position of the mobile terminal 100 and the object related information. The movement path from the current position to the object 310 is determined using the location information of the object 310 corresponding to 320, and as shown in FIG. 20C, the identified movement path The information 483 indicating may be displayed in the preview image 300.

Lastly, as shown in FIG. 21, the controller 180 may be positioned outside the region corresponding to the preview image 300 where the position of the object to which the RFID tag read through the RFID reader 184 is attached is located. In this case, the user may be notified that the object to which the RFID tag is attached is located in the preview image 300.

That is, as shown in (a) of FIG. 21, the controller 180 reads the RFID tag attached to the object located in the current region through the RFID reader unit 184, and the object recorded in the read RFID tag. The location information of the RFID tag to determine whether the location of the object is attached to the outside of the preview image 300.

In this case, when the position of the object 310 to which the RFID tag is attached is located outside the preview image 300, the controller 180 may display the object to which the RFID tag is attached as shown in FIG. 310 displays information requesting a user to change a photographing time point of the camera 121 to be positioned in the preview image 300.

That is, since the object 310 to which the RFID tag is attached in FIG. 21A is located outside the right side of the preview image, as shown in FIG. 21B, the controller 180 controls the preview image. The display unit 300 displays information requesting to move the photographing time of the camera 121 to the right so that the object 310 to which the RFID tag is attached is included.

FIG. 21C illustrates that the object 310 with the RFID tag is included in the preview image 300 as the user moves the photographing time of the camera 121 to the right with reference to the request information. It is shown.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present invention described above can be embodied as computer-readable codes on a medium on which a program is recorded. The computer-readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage devices, and the like, which are also implemented in the form of carrier waves (eg, transmission over the Internet). It also includes. Also, the computer may include a control unit 180 of the terminal.

Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative. The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention.

The above-described mobile terminal and its control method are not limited to the configuration and method of the above-described embodiments, but the embodiments may be modified such that all or some of the embodiments are selectively And may be configured in combination.

100: mobile terminal 110: wireless communication unit
111: broadcast receiver 112: mobile communication module
113 wireless Internet module 114 short-range communication module
115: Position information module 120: A / V input section
121: camera 122: microphone
130: user input unit 140: sensing unit
141: proximity sensor 150: output section
151: display unit 152: sound output module
153: Alarm module 154: Haptic module
155: Projector Module 160: Memory
170: interface unit 180: control unit
181: multimedia module 182: RFID recorder
183: RFID reader unit 190: power supply unit

Claims (20)

A location information unit for identifying a current location of the mobile terminal;
A camera to which a preview image for augmented reality is input;
A display unit displaying the preview image;
An RFID reader unit attached to an external object and reading an RFID (Radio Frequency Identification) tag in which information related to the object is recorded; And
And a controller configured to read an RFID tag attached to an object in the preview image based on a current position of the mobile terminal, and to display object related information recorded in the read RFID tag in the preview image. The method according to claim 1,
The controller may provide a UI for designating a search distance range of at least one RFID tag in the preview image, and when a specific search distance range is specified through the UI, the controller may select one or more RFID tags located within the designated search distance range. And reading object related information recorded in the read RFID tag. The method according to claim 1,
And a memory having a list including one or more RFID tag information.
The controller is further configured to display the list in the preview screen, and when specific RFID tag information is selected in the list, reading the RFID tag having the selected tag information, and displaying the object related information recorded in the read RFID tag. Mobile terminal, characterized in that for displaying. The method according to claim 1,
Memory; further comprising;
The controller, when the object related information is selected, lists and stores the selected object related information in the memory. The method according to claim 1,
The controller provides a UI for inputting a search word in the preview image, and when a specific search word is input through the UI, the controller includes the input search word among object related information recorded in each of RFID tags of objects in the preview image. And searching for the object related information, and displaying the retrieved object related information. The method of claim 5,
If the object related information including the search word is not found, the control unit searches for and displays the one associated with the search word among previously stored object related information. The method of claim 5,
And a wireless communication unit for communicating with a server that provides RFID tag information corresponding to the search word.
The controller transmits the input search word to the server through the wireless communication unit, and when the RFID tag information corresponding to the search word is received from the server, the control unit further includes an RFID tag having the received RFID tag information in the preview image. And reading object related information recorded in the read RFID tag. The method according to claim 1,
The controller may display an object corresponding to the object related information highlighted in the preview image. The method according to claim 1,
The object related information comprises at least one of a name of the object, an image related to the object, and detailed information related to the object. The method according to claim 1,
When the object related information is selected, the controller provides a UI for editing the object related information in one or more ways, and when the object related information is edited in one or more ways through the UI, A mobile terminal, characterized in that for reflecting the edited result. The method according to claim 1,
Further comprising; a wireless communication unit for communication with the counterpart terminal,
The controller, when the object related information is selected and the contact information of the counterpart terminal is input, controls the wireless communication unit to transmit the object related information to the contact point of the counterpart terminal. The method according to claim 1,
And a wireless communication unit for communicating with a specific object included in the preview image.
The controller may control the wireless communication unit to transmit the selected object related information to a contact point preset to the selected specific object when the object related information and the specific object are selected. The method of claim 12,
The object is an image of a specific counterpart,
The controller recognizes the image of the selected counterpart, and transmits the selected object related information to a contact set in the recognized image. The method according to claim 1,
The object related information recorded in the RFID tag includes location information of the object,
The controller may be configured to determine the location of the object to which the RFID tag is attached in the preview image by using the current location of the terminal and the location information of the object recorded in the read RFID tag, and determine the location of the identified object. And displaying the object related information on the mobile terminal. 15. The method of claim 14,
The controller calculates a distance to the object by using the current location of the terminal and the location information of the object, and displays information indicating the calculated distance. The method of claim 15,
The control unit further calculates the movement time required to the object by using the calculated distance, and displays the information indicating the calculated movement time. 15. The method of claim 14,
The control unit calculates a bearing to the object using the current location of the terminal and the location information of the object, and displays information indicating the calculated bearing. 15. The method of claim 14,
The control unit searches for a movement route to the identified position of the object and displays information indicating the found movement route. 15. The method of claim 14,
And the controller is configured to display information for requesting a change in a photographing time point of the camera so that the object is located in the preview image when the identified object is located outside the preview image. Displaying a preview image of a camera for augmented reality;
Determining a current location of the mobile terminal;
Attached to an object in the preview image based on the current position determined by using a RFID (Radio Frequency Identification) reader provided in the mobile terminal, and information related to the object is recorded. Reading an RFID tag; And
And displaying object-related information recorded in the read RFID tag.

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