KR101661950B1 - Mobile terminal and operation control method thereof - Google Patents

Abstract

The present invention relates to a portable terminal and a method for controlling the operation thereof. An operation control method of the present portable terminal displays an augmented reality screen in which virtual information is synthesized on a screen shot through a camera. When a selection of an object is detected on the augmented reality screen, if there is a hidden object that is not displayed on the augmented reality screen due to being hidden by the selected object, a tactile effect indicating the existence of the hidden object is generated. According to the present invention, the presence of a hidden object in the augmented reality screen can be represented using a tactile effect.

Description

[0001] The present invention relates to a mobile terminal and an operation control method thereof,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a portable terminal and its operation control method, and more particularly, to a portable terminal and its operation control method that can display the presence of hidden objects in augmented reality screen using a tactile effect.

A portable terminal is a portable device having one or more functions capable of carrying out voice and video communication, capable of inputting and outputting information, and storing data, while being portable. As the functions of mobile terminals are diversified, they have complicated functions such as photographing and photographing of movies, playback of music files and video files, reception of games, broadcasting, wireless Internet, etc., and a comprehensive multimedia player . In order to realize a complicated function, a mobile terminal implemented in the form of a multimedia device is being applied variously in terms of hardware and software.

In recent years, augmented reality (AR) technology has been applied to a portable terminal and is being utilized for various purposes. Augmented reality is a field of virtual reality. It is a computer graphics technique that makes a virtual object or information synthesized in a real environment to make it look like an object in the original environment. An example of applying the augmented reality is that, when a building located in the vicinity of a camera of a portable terminal is illuminated, related information such as a telephone number and a homepage are displayed on the image of the building and the user directly or indirectly uses the augmented reality .

However, since the portable terminal needs to consider mobility and portability, there is a restriction in space allocation for a device for a user interface such as a display or a keypad. Accordingly, even if the front touch screen is applied to the portable terminal, its size is limited.

Accordingly, when augmented reality screen in which a real image and virtual information are combined is displayed on a screen of a small size in a mobile terminal, the complexity of the screen increases and there is a limit to the transmission of information. In particular, when objects such as virtual information are continuously displayed at the same position or adjacent positions, it is difficult for the objects to overlap each other and to select an object or to determine whether or not another object exists.

Accordingly, an object of the present invention is to provide a mobile terminal that provides a tactile effect to detect the presence of a hidden object, a distance to an object, and the like that are not displayed on a screen in an augmented reality screen, and an operation control method thereof.

According to another aspect of the present invention, there is provided a method of controlling an operation of a portable terminal, the method comprising: displaying an augmented reality screen in which virtual information is synthesized on a screen shot through a camera; And generating a tactile effect corresponding to the presence of the hidden object when a hidden object that is hidden from the selected object and is not displayed on the augmented reality screen exists.

According to another aspect of the present invention, there is provided a method of controlling an operation of a mobile terminal, the method comprising: displaying an augmented reality screen in which virtual information is synthesized on a screen shot through a camera; And generating different haptic effects according to distances corresponding to the selected objects.

According to another aspect of the present invention, there is provided a portable terminal including a camera, a haptic module for generating a tactile effect, a display unit for displaying an augmented reality screen obtained by synthesizing virtual information on a screen shot through the camera, And a controller for controlling the haptic module to generate a tactile effect corresponding to the presence of the hidden object when the hidden object is hidden from the selected object and is not displayed on the augmented reality screen when the object is selected.

According to another aspect of the present invention, there is provided a portable terminal including a camera, a haptic module for generating a tactile effect, a display unit for displaying an augmented reality screen obtained by synthesizing virtual information on a screen shot through the camera, And a controller for controlling the haptic module such that different haptic effects are generated according to a distance corresponding to the selected object when the object is selected.

According to the present invention, a tactile effect can be generated so that the presence of a hidden object that is hidden from other objects on the augmented reality screen and is not displayed on the screen can be recognized. In addition, tactile effects of different intensities or patterns may be generated depending on the distance from the augmented reality screen to the object. Accordingly, the user can easily detect the presence or the distance of the hidden object in the augmented reality screen by the tactile sense, thereby easily controlling the operation of the portable terminal.

1 is a block diagram of a portable terminal according to an embodiment of the present invention;
FIG. 2 is a perspective view of a mobile terminal according to an exemplary embodiment of the present invention,
FIG. 3 is a rear perspective view of the portable terminal shown in FIG. 2,
4 is a flowchart illustrating a method of controlling an operation of a mobile terminal according to an exemplary embodiment of the present invention.
FIG. 5 is a flowchart illustrating a method of controlling an operation of a portable terminal according to another embodiment of the present invention.
6 to 8 are views showing an example of an augmented reality screen, and Fig.
9 to 13 are views referencing a method of controlling an operation of a portable terminal according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings.

The portable terminal described in the present specification can be used in various applications such as a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a navigation device, a tablet computer ), E-book terminals, and the like. In addition, suffixes "module" and " part "for the components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Accordingly, the terms "module" and "part" may be used interchangeably.

FIG. 1 is a block diagram of a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. Referring to FIG. 1, a mobile terminal according to an embodiment of the present invention will be described in terms of components according to functions.

1, the portable 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, an interface unit 170, a control unit 180, and a power supply unit 190. When such components are implemented in practical applications, two or more components may be combined into one component, or one component may be divided into two or more components as necessary.

The wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 113, a wireless Internet module 115, a short distance communication module 117, and a GPS module 119.

The broadcast receiving module 111 receives at least one of a broadcast signal and broadcast related information from an external broadcast management server through a broadcast channel. At this time, the broadcast channel may include a satellite channel, a terrestrial channel, and the like. The broadcast management server may refer to a server for generating and transmitting at least one of a broadcast signal and broadcast related information and a server for receiving at least one of the generated broadcast signal and broadcast related information and transmitting the broadcast signal to the terminal.

The broadcast-related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. 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 can also be provided through a mobile communication network, in which case it can be received by the mobile communication module 113. Broadcast-related information can exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) ), Digital Video Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. In addition, the broadcast receiving module 111 may be configured to be suitable for all broadcasting systems that provide broadcasting signals, as well as the digital broadcasting system. 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 113 transmits and receives a radio signal to at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data according to a voice call signal, a video call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 115 refers to a module for wireless Internet access, and the wireless Internet module 115 can be embedded in the mobile terminal 100 or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 117 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

A GPS (Global Position System) module 119 receives position information from a plurality of GPS satellites.

The 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 123. 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. Then, 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. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 123 receives an external sound signal by 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 113 and output when the voice data is in the call mode. The microphone 123 may be a variety of noise reduction algorithms for eliminating noise generated in receiving an external sound signal.

The user input unit 130 generates key input data that the user inputs to control the operation of the terminal. The user input unit 130 may include a key pad, a dome switch, and a touch pad (static / static) capable of receiving commands or information by a push or touch operation of a user. The user input unit 130 may be a jog wheel for rotating the key, a jog type or a joystick, or a finger mouse. Particularly, when the touch pad has a mutual layer structure with the display unit 151 described later, it can be called a touch screen.

The sensing unit 140 senses the current state of the portable terminal 100 such as the open / close state of the portable terminal 100, the position of the portable terminal 100, Thereby generating a sensing signal. For example, when the portable terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, a sensing function related to whether or not the power supply unit 190 is powered on, whether the interface unit 170 is coupled to an external device, and the like can be handled.

The sensing unit 140 may include a sensing sensor 141, a pressure sensor 143, a motion sensor 145, and the like. The detection sensor 141 detects the presence of an object approaching the portable terminal 100 or an object existing in the vicinity of the portable terminal 100 without mechanical contact. The detection sensor 141 can detect a nearby object by using a change in the alternating magnetic field or a change in the static magnetic field, or a rate of change in the capacitance. More than two detection sensors 141 may be provided according to the configuration.

The pressure sensor 143 can detect whether the pressure is applied to the portable terminal 100, the magnitude of the pressure, and the like. The pressure sensor 143 may be installed at a portion where the pressure of the portable terminal 100 is required depending on the use environment. When the pressure sensor 143 is installed on the display unit 151, the touch input through the display unit 151 and the pressure applied by the touch input The pressure touch input can be identified. Also, the magnitude of the pressure applied to the display unit 151 at the time of the pressure touch input can be determined according to the signal output from the pressure sensor 143. [

The motion sensor 145 detects the position and movement of the portable terminal 100 using an acceleration sensor, a gyro sensor, or the like. An acceleration sensor that can be used for the motion sensor 145 is a device that converts an acceleration change in one direction into an electric signal and is widely used along with the development of MEMS (micro-electromechanical systems) technology. The acceleration sensor measures the acceleration of a small value built in the airbag system of an automobile and recognizes the minute motion of the human hand and measures the acceleration of a large value used as an input means such as a game There are various types. Acceleration sensors are usually constructed by mounting two or three axes in one package. Depending on the usage environment, only one axis of Z axis is required. Therefore, when the acceleration sensor in the X-axis direction or the Y-axis direction is used instead of the Z-axis direction for some reason, the acceleration sensor may be mounted on the main substrate by using a separate piece substrate.

The gyro sensor is a sensor for measuring the angular velocity, and it can sense the direction of rotation with respect to the reference direction.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 may include a display unit 151, an audio output module 153, an alarm unit 155, and a haptic module 157.

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

Meanwhile, as described above, when the display unit 151 and the touch pad have a mutual layer structure to constitute a touch screen, the display unit 151 may be an input device capable of inputting information by a user's touch in addition to the output device Can also be used.

If the display unit 151 is configured as a touch screen, it may include a touch screen panel, a touch screen panel controller, and the like. In this case, the touch screen panel is a transparent panel attached to the outside, and can be connected to the internal bus of the portable terminal 100. The touch screen panel keeps a watch on the contact result, and if there is a touch input, sends the corresponding signals to the touch screen panel controller. The touch screen panel controller processes the signals, and then transmits corresponding data to the controller 180 so that the controller 180 can determine whether the touch input has been made and which area of the touch screen has been touched.

The display unit 151 may be formed of an e-paper. Electronic paper (e-Paper) is a kind of reflective display, and has excellent visual characteristics such as high resolution, wide viewing angle and bright white background as conventional paper and ink. The electronic paper (e-paper) can be implemented on any substrate such as plastic, metal, paper, and the image is retained even after the power is shut off, and the battery life of the portable terminal 100 is long Can be maintained. As the electronic paper, a hemispherical twist ball filled with a telephone can be used, or an electrophoresis method and a microcapsule can be used.

In addition, the display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three- (3D display). There may be two or more display units 151 according to the implementation mode of the portable terminal 100. [ For example, the portable terminal 100 may include an external display unit (not shown) and an internal display unit (not shown) at the same time.

The audio output module 153 outputs 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 153 outputs sound signals related to functions performed in the portable terminal 100, for example, a call signal reception tone, a message reception tone, and the like. The sound output module 153 may include a speaker, a buzzer, and the like.

The alarm unit 155 outputs a signal for notifying the occurrence of an event of the portable terminal 100. Examples of events occurring in the portable terminal 100 include call signal reception, message reception, and key signal input. The alarm unit 155 outputs a signal for notifying the occurrence of an event in a form other than an audio signal or a video signal. For example, it is possible to output a signal in a vibration mode. The alarm unit 155 can output a signal to notify when a call signal is received or a message is received. Also. When the key signal is inputted, the alarm unit 155 can output a signal as a feedback to the key signal input. The user can recognize the occurrence of an event through the signal output by the alarm unit 155. A signal for notifying the occurrence of an event in the portable terminal 100 may also be output through the display unit 151 or the sound output module 153. [

The haptic module 157 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 157 is a vibration effect. When the haptic module 157 generates vibration with a haptic effect, the intensity and pattern of the vibration generated by the haptic module 157 can be converted, and the different vibrations can be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 157 may be provided with a function of stimulating by a pin arrangement vertically moving with respect to the contact skin surface, an effect of stimulating air through the injection or suction force of the air through the injection port or the suction port, The effect of stimulation through contact of an electrode (eletrode), the effect of stimulation by electrostatic force, and the effect of reproducing a cold sensation using a device capable of endothermic or exothermic can be generated. The haptic module 157 can be implemented not only to transmit the tactile effect through direct contact but also to feel the tactile effect through the muscular sense of the user's finger or arm. The haptic module 157 may include two or more haptic modules 157 according to the configuration of the portable terminal 100.

The memory 160 may store a program for processing and controlling the control unit 180 and may store a function for temporarily storing input or output data (e.g., a phone book, a message, a still image, .

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 , And a ROM. ≪ / RTI > In addition, the portable terminal 100 may operate a web storage for storing the memory 150 on the Internet.

The interface unit 170 serves as an interface with all external devices connected to the portable terminal 100. Examples of the external device connected to the portable terminal 100 include a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a SIM (Subscriber Identification Module) card, a UIM An audio input / output (I / O) terminal, a video I / O (input / output) terminal, and an earphone. The interface unit 170 receives data from the external device or receives power from the external device and transmits the data to each component in the portable terminal 100 so that data in the portable terminal 100 can be transmitted to the external device .

The interface unit 170 is a path through which power from the cradle connected when the portable terminal 100 is connected to the external cradle is supplied to the portable terminal 100 or various command signals inputted from the cradle by the user are carried And may be a passage to be transmitted to the terminal 100.

The controller 180 typically controls the operation of the respective units to control the overall operation of the mobile terminal 100. For example, voice communication, data communication, video communication, and the like. In addition, the control unit 180 may include a multimedia playback module 181 for multimedia playback. The multimedia playback module 181 may be configured in hardware in the controller 180 or separately from software in the controller 180. [

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 mobile terminal 100 having such a configuration can be configured to be operable in a communication system capable of transmitting data through a frame or a packet, including a wired / wireless communication system and a satellite-based communication system. have.

FIG. 2 is a perspective view of a portable terminal according to an embodiment of the present invention, and FIG. 3 is a rear perspective view of the portable terminal shown in FIG. Hereinafter, the portable terminal according to the present invention will be described with reference to FIGS. 2 and 3 in terms of components according to the external form. Hereinafter, for convenience of description, a bar-type portable terminal having a front touch screen among various types of portable terminals such as a folder type, a bar type, a swing type, a slider type, etc. will be described as an example. However, the present invention is not limited to a bar-type portable terminal, but can be applied to all types of portable terminals including the above-mentioned type.

Referring to FIG. 2, the case constituting the outer appearance of the portable terminal 100 is formed by the front case 100-1 and the rear case 100-2. Various electronic components are incorporated in the space formed by the front case 100-1 and the rear case 100-2. The front case 100-1 and the rear case 100-2 may be formed by injection molding synthetic resin or may be formed of a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 151, the first sound output module 153a, the first camera 121a, and the first through third user input units 130a, 130b, and 130c are connected to the main body, specifically, the front case 100-1 . A fourth user input unit 130d, a fifth user input unit 130e, and a microphone 123 may be disposed on a side surface of the rear case 100-2.

The display unit 151 may be constructed such that the touch pad is overlapped with the layer structure so that the display unit 151 operates as a touch screen so that information can be input by a user's touch.

The first acoustic output module 153a may be implemented in the form of a receiver or a speaker. The first camera 121a may be implemented in a form suitable for capturing an image or a moving image of a user. The microphone 123 may be implemented in a form suitable for receiving a user's voice, other sounds, and the like.

The first to fifth user input units 130a, 130b, 130c, 130d and 130e and the sixth and seventh user input units 130f and 130g described below may be collectively referred to as a user input unit 130, Any manner can be employed in a tactile manner.

For example, the user input unit 130 may be embodied as a dome switch or a touch pad capable of receiving a command or information by a push or touch operation of a user, or may be a wheel, a jog type, a joystick, Or the like. In terms of functions, the first to third user inputs 130a, 130b, and 130c are for inputting commands such as call, mouse point movement, screen scroll, start, end, and the like. The fourth user input unit 130b is for inputting a selection of an operation mode or the like. In addition, the fifth user input unit 130c may operate as a hot-key for activating a special function in the portable terminal 100. [

3, a second camera 121b may be further mounted on a rear surface of the rear case 100-2, and sixth and seventh user inputs 130f and 130g may be further provided on a side surface of the second body 100B. And an interface unit 170 may be disposed.

The second camera 121b has a photographing direction substantially opposite to that of the first camera 121a, and may have pixels different from those of the first camera 121a. A flash (not shown) and a mirror (not shown) may be additionally disposed adjacent to the second camera 121b. The flash illuminates the subject when the subject is photographed by the second camera 121b. The mirror enables the user to illuminate the user's own face or the like when the user intends to photograph (self-photograph) himself / herself using the second camera 121b.

A second sound output module (not shown) may be further disposed in the rear case 100-2. The second sound output module may implement the stereo function together with the first sound output module 153a, and may be used for talking in the speakerphone mode.

The interface unit 170 can be used as a path for exchanging data with an external device. In addition, antennas for receiving broadcasting signals (not shown) may be disposed in one area of the proton case 100-1 and the rear case 100-2, in addition to the antennas for communication and the like. The antenna may be installed to be capable of being drawn out from the rear case 100-2.

A power supply unit 190 for supplying power to the portable terminal 100 may be mounted on the rear case 100-2. The power supply unit 190 may be a rechargeable battery, for example, and may be detachably coupled to the rear case 100-2 for charging or the like.

In the above description, the second camera 121b and the like are disposed in the rear case 100-2, but the present invention is not limited thereto. Also, the first camera 121a may be rotatably formed so that the second camera 121b can be photographed up to the photographing direction, even if the second camera 121b is not separately provided.

4 is a flowchart illustrating a method of controlling an operation of a portable terminal according to an exemplary embodiment of the present invention.

4, when the augmented reality mode is selected according to a user command or the like (S200), the control unit 180 displays the augmented reality screen, which is obtained by synthesizing virtual information or the like, on a screen shot through the camera 121, (S205).

The virtual information displayed on the augmented reality screen displayed at this time may vary depending on the object captured by the camera 121. For example, if the camera 121 illuminates the distance, peripheral information can be displayed with virtual information. When a book to be searched by the camera 121 is photographed, information such as online bookstore price comparison and review can be displayed. Further, when a music sheet to be searched by the camera 121 is photographed, various information such as a music video can be searched. When a movie poster to be searched by the camera 121 is shot, information such as a trailer, a movie review, can do.

When any one of the virtual information and the objects displayed on the screen is selected by the touch input or the like in the augmented reality screen displayed on the display unit 151 in operation S210, the controller 180 displays information related to the selected object on the display unit 151 (S215). Examples of the information related to the selected object include a telephone number, an address, and a home page address of a building corresponding to the selected object when the distance image and surrounding area information are displayed on the augmented reality screen. In addition, when selecting an object, a menu for selecting an application to be linked with the selected object can be displayed

In operation S220, the controller 180 determines whether there is a hidden object that is hidden on the selected object and is not displayed on the screen. If it is determined in operation S220 that there is a hidden object, the controller 180 controls the haptic module 157 to generate a tactile effect such as vibration corresponding to the presence of the hidden object in operation S225.

At this time, when there are one or more hidden objects, it is possible to generate a tactile effect of the number of times corresponding to the number of hidden objects. In addition, if there is an input for dragging the screen upward or downward or dragging the screen around the selected object, the tactile effect of different intensities may be generated depending on the existence of the hidden object at the position corresponding to the dragged distance. For example, if there are four objects hidden behind the selected object, four different vibrations of intensity may occur depending on the drag input.

In addition, the type, intensity, pattern, etc. of the tactile effect generated corresponding to the hidden object can be configured to be set by the user, and a separate menu can be provided for this purpose.

This process is repeatedly performed until the end of the augmented reality mode is selected (S230). Also, by this process, it can be seen that there is a hidden object which is not displayed on the screen as the tactile effect occurs in the augmented reality screen.

5 is a flowchart illustrating a method of controlling an operation of a portable terminal according to another embodiment of the present invention.

In this embodiment, steps S300 and S315 of displaying an augmented reality screen according to a user command or the like and displaying information related to the selected object on the augmented reality screen, or a process of repeating the previous process until the end of the augmented reality mode is selected The steps and the like of the steps are not greatly different from those described in the above embodiments.

However, in the present embodiment, when selecting an object on the augmented reality screen, the controller 180 controls the haptic module 157 to generate a tactile effect such as vibration corresponding to the distance of the selected object (S320).

For example, when the distance of the object selected based on the current user's location is close to the current user's location in the augmented reality screen, a strong-intensity vibration is output. That is, an object such as an actual image or virtual information displayed on the augmented reality screen is not displayed so as to easily identify the distance, so that the tactile effect generated when the object is selected is different to allow the user to know the approximate distance.

By this process, the user can know the distance to the object according to the difference of the tactile effect generated in the augmented reality screen.

6 and 7 show an example of a general augmented reality screen. As shown in FIG. 6, the augmented reality screen 400 displayed on the portable terminal 100 may be combined with virtual information on an image photographed through the camera 121 and displayed.

However, as shown in FIG. 7, when the display of virtual information increases, virtual information and other objects overlap or are hidden on the augmented reality screen 410, so that it is difficult for the user to select desired information, It is not easy to know whether or not the information exists.

8 to 11 are views for explaining a process of generating a tactile effect according to the presence of a hidden object when an object is selected in an augmented reality screen according to an embodiment of the present invention.

8, when an object 433 is touched and selected on the augmented reality screen 430, if there is a hidden object that is hidden on the selected object 433 and is not displayed on the symptom reality screen 430 , A tactile effect such as vibration can be generated as shown in Fig. That is, if there is an object hidden behind a straight line of the selected object 433, the hidden object behind the selected object 423 is not displayed on the augmented reality screen 400. Accordingly, in such a case, vibration or the like is output so that another object exists after the selected object 423.

FIG. 10 shows a case where there is an input 435 for dragging based on an object in the augmented reality screen 430. FIG. If there is such a drag input 435, it may be hidden by the selected object to produce a tactile effect corresponding to the hidden object.

That is, when the distance dragged on the augmented reality screen 430 is the position of 1, 2, 3, or 4, as shown in FIG. 11, vibrations having different intensities are output, So that a hidden object corresponding to the number of times exists.

In this case, a corresponding hidden object may be displayed on the augmented reality screen 430 by touching any one of the positions 1, 2, 3, and 4 on the augmented reality screen 430.

12 and 13 are views for explaining a process of generating different tactile effects according to distances of objects selected on an augmented reality screen according to an embodiment of the present invention. 12 illustrates a case where the first object 453 is touched in the other augmented reality screen 450 and a case in which the second object 455 is touched. When a different object is selected in the augmented reality screen 450 as described above, as shown in FIG. 13, when a first object 453 corresponding to a building or the like existing in a nearby location is selected, a large vibration signal is output, When a second object 455 corresponding to a building or the like existing farther away is selected, the vibration of a small intensity can be outputted.

As described above, tactile effects of different intensities or patterns are generated according to the distances corresponding to the objects selected in the augmented reality screen 450, so that the user can grasp distances to buildings or areas related to specific objects by the tactile sense.

Meanwhile, the present invention can be implemented as a processor-readable code in a processor-readable recording medium provided in a portable terminal. The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the recording medium readable by the processor include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave such as transmission over the Internet. In addition, the processor readable recording medium may be distributed over networked computer systems so that code readable by the processor in a distributed manner can be stored and executed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

110: wireless communication unit 120: A / V input unit
130: user input unit 140: sensing unit
150: output unit 151: display unit
160: memory 170: interface section
180:

Claims (15)

Displaying an augmented reality screen in which virtual information is synthesized on a screen shot through a camera;
Detecting a selection of an object on the augmented reality screen; And
Determining whether there is a hidden object hidden on the selected object and not displayed on the augmented reality screen;
Generating a haptic effect corresponding to the presence of the hidden object if the hidden object is present,
Wherein the tactile effect is generated a number of times corresponding to the number of the hidden objects when the hidden objects are plural. delete The method according to claim 1,
And generating a tactile effect corresponding to a hidden object located at a position corresponding to the dragged distance when there is an input for dragging based on the selected object. The method according to claim 1,
Wherein the tactile effect is vibration. The method according to claim 1,
And displaying information related to the selected object in one area of the augmented reality screen. The method according to claim 1,
Further comprising the step of displaying the hidden object according to a predetermined user input. The method according to claim 1,
And providing a menu for setting at least one of a type, an intensity, and a pattern of the tactile effect. camera;
A haptic module for generating a tactile effect;
A display unit for displaying an augmented reality screen obtained by synthesizing virtual information on a screen shot through the camera; And
Determining whether there is a hidden object that is not displayed on the augmented reality screen when the selected object is selected in the augmented reality screen and if the hidden object exists, And a controller for controlling the haptic module so as to generate a tactile effect,
Wherein the controller controls the haptic module such that a tactile effect is generated a number of times corresponding to the number of the hidden objects when the hidden object is a plurality of hidden objects. 9. The method of claim 8,
Wherein the control unit controls the haptic module so that a tactile effect corresponding to a hidden object existing at a position corresponding to the dragged distance occurs when there is an input for dragging based on the selected object . 9. The method of claim 8,
Wherein the controller displays information related to the selected object in one area of the augmented reality screen. 9. The method of claim 8,
Wherein the tactile effect is vibration. 9. The method of claim 8,
Wherein the control unit displays the hidden object according to a predetermined user input. 9. The method of claim 8,
Wherein the control unit provides a menu for setting at least one of a type, an intensity, and a pattern of the tactile effect. delete delete

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