KR20130039114A - Mobile terminal and operating method thereof - Google Patents

Mobile terminal and operating method thereof Download PDF

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Publication number
KR20130039114A
KR20130039114A KR1020110103583A KR20110103583A KR20130039114A KR 20130039114 A KR20130039114 A KR 20130039114A KR 1020110103583 A KR1020110103583 A KR 1020110103583A KR 20110103583 A KR20110103583 A KR 20110103583A KR 20130039114 A KR20130039114 A KR 20130039114A
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KR
South Korea
Prior art keywords
external device
mobile terminal
wireless communication
communication link
unit
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Application number
KR1020110103583A
Other languages
Korean (ko)
Inventor
우성호
유지호
김지은
Original Assignee
엘지전자 주식회사
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Priority to KR1020110103583A priority Critical patent/KR20130039114A/en
Publication of KR20130039114A publication Critical patent/KR20130039114A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)

Abstract

PURPOSE: A portable terminal and a driving method thereof are provided to automatically execute a specific function connected to an external device when the searched external device is selected. CONSTITUTION: A wireless communication unit(110) forms a first wireless communication link based on a first frequency with an external device. The first wireless communication link includes a plurality of data transceiving paths. A control unit(180) acquires a distance and a direction for a portable terminal based on a phase difference generated by the data transceiving paths. The control unit displays the external device on the display unit by considering the acquired direction and direction. [Reference numerals] (110) Wireless communication unit; (111) Broadcasting reception module; (112) Mobile communication module; (113) Wireless Internet module; (114) Local area communication module; (115) Location information module; (116) Direction searching module; (120) A/V input unit; (121) Camera; (122) Microphone; (130) User input unit; (140) Sensing unit; (150) Output unit; (151) Display unit; (152) Sound output module; (153) Alarm unit; (154) Haptic module; (160) Storage unit; (170) Interface unit; (180) Control unit; (181) Multimedia module; (190) Power supplying unit;

Description

Mobile terminal and its driving method

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal capable of automatically executing a specific function linked to the external device by searching for an external device around the mobile device using a direction finding technique; It relates to the driving method.

As terminals, such as personal computers, laptops, mobile phones, and smartphones, are diversified in function, multimedia devices with complex functions such as taking pictures or videos, playing music or video files, and receiving games and broadcasts It is implemented in the form of (multimedia player).

For functional support and enhancement of the terminal, it may be considered to improve the structural and / or software part of the terminal. Recently, a variety of terminals including a mobile terminal provide a complex and various functions, and the menu structure is also becoming complicated.

Technical Solution to be Solved by the Invention The technical problem to be solved by the present invention is a mobile terminal capable of searching for a location of an external device using a direction search technique and automatically executing a specific function associated with the external device when the searched external device is selected. It is to provide a driving method.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the particular embodiments that are described. It will be apparent to those skilled in the art, There will be.

The mobile terminal according to the embodiment of the present invention for solving the technical problem may include a display unit, a wireless communication unit, and a control unit. The wireless communication unit may form a first frequency-based first wireless communication link including a plurality of data transmission / reception paths with an external device. The controller acquires a direction and a distance for the mobile terminal of the external device based on a phase difference generated as each of at least one signal transmitted from the external device is received through the plurality of data transmission / reception paths, and the acquisition The external device may be displayed on the display unit in consideration of the given direction and distance. The controller may automatically execute a specific function linked with the external device when the external device displayed on the display unit is selected.

According to an aspect of the present invention, there is provided a method of driving a mobile terminal, the method comprising: forming a first frequency-based first wireless communication link including a plurality of data transmission / reception paths with an external device; Acquiring a direction and a distance of the external device with respect to the mobile terminal based on a phase difference generated as each of the at least one signal transmitted from the external device is received through the plurality of data transmission / reception paths; Displaying the external device on the display unit in consideration of the obtained direction and distance; And automatically executing a specific function linked with the external device when the external device displayed on the display unit is selected.

The method of driving a mobile terminal according to an embodiment of the present invention can be implemented by executing a computer program for implementing the mobile terminal driving method stored in a computer readable recording medium.

According to the mobile terminal and the driving method thereof according to the present invention, the user can easily select a searched external device using the direction search function and easily execute a specific function linked to the searched external device. In this case, the specific function interworking with the external device may include establishing another wireless communication link with the external device, executing an application for controlling the external device, controlling execution of an application running in the mobile terminal on the external device, and moving the mobile device. Data sharing between the terminal and the external device, execution of a predetermined specific function according to the type of the external device and the application running in the mobile terminal, and the like.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a flowchart illustrating an example of a method for driving a mobile terminal according to the present invention.
3 illustrates a direction search module and an antenna module for receiving a signal transmitted from an external device in a mobile terminal according to the present invention.
4 shows an example of the antenna module shown in FIG. 3.
5 illustrates a specific example of the antenna module of FIG. 4.
FIG. 6 illustrates that a phase of a signal received from antennas included in the antenna module illustrated in FIG. 5 is changed according to the position of an external device.
7 and 8 illustrate examples in which a plurality of data transmission / reception paths are formed between a mobile terminal and an external device according to the present invention.
9 illustrates various applications of the direction search function of the mobile terminal according to the present invention.
10 is a flowchart illustrating a process of performing filtering on an external device searched by a direction search technique in a mobile terminal according to the present invention.
11 shows examples of filtering conditions for an external device found in a mobile terminal according to the present invention.
12 is a flowchart illustrating another example of a method for driving a mobile terminal according to the present invention.
FIG. 13 illustrates an example in which a searched external device is displayed on a display unit in consideration of a direction, a distance, and an altitude difference with respect to the mobile terminal according to the mobile terminal driving method shown in FIG. 12.
14 illustrates examples of a user selecting an external device displayed on a display unit.
15 illustrates an example in which a user selects one of external devices having similar altitude values but different distances from a mobile terminal according to the present invention.
16 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention.
17 is a flowchart illustrating a method of driving a mobile terminal according to another embodiment of the present invention.
FIG. 18 illustrates that an application for guiding a route to a tagged vehicle, which is an external device, is executed according to the mobile terminal driving method illustrated in FIG. 17.
19 is a flowchart illustrating a method of driving a mobile terminal according to another embodiment of the present invention.
20 illustrates an example in which a second wireless communication link is formed between the mobile terminal and an external device according to the mobile terminal driving method shown in FIG. 19.
FIG. 21 illustrates that when a selected external device includes a plurality of communication modules, a message is provided to a user to select a communication module to be used for formation in a wireless communication link.
22 is a flowchart illustrating a method of driving a mobile terminal according to another embodiment of the present invention.
FIG. 23 illustrates an example of a process of executing an external device control application according to the mobile terminal driving method shown in FIG. 22.
24 is a flowchart illustrating a method of driving a mobile terminal according to another embodiment of the present invention.
25 to 26 illustrate examples of executing a specific function linked to an external device according to the mobile terminal driving method illustrated in FIG. 24.
FIG. 26 illustrates that a specific file is shared with the external device when an external device including a data storage device such as a hard disk, a notebook computer, or a TV is selected while a specific file is selected in the mobile terminal.
27 is a flowchart illustrating a method of driving a mobile terminal according to another embodiment of the present invention.

In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention and the contents described in the accompanying drawings.

In the present specification, when one component 'transmits or transmits' data or a signal to another component, the component may directly transmit or transmit the data or signal to the other component, and at least one It means that the data or signal can be transmitted to the other component through another component. In addition, the suffix "module" and " part "for constituent elements 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 foregoing objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like numbers refer to like elements throughout. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

The mobile terminal described herein may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, a dedicated terminal, and the like. have. However, the scope of the present invention is not limited thereto.

1 is a block diagram of a mobile terminal 100 according to an embodiment of the present invention. Referring to FIG. 1, the mobile terminal 100 includes an antenna module 105, a wireless communication unit 110, an A / V (Audio / Video) input unit 120, a user input unit 130, a sensing unit 140, The output unit 150 may include a storage unit 160, an interface unit 170, a controller 180, a power supply unit 190, and the like. The components shown in FIG. 1 are not essential, so the mobile terminal 100 may have more or fewer components.

Hereinafter, the components will be described in order.

The antenna module 105 may include a plurality of antennas or antenna modules used by the mobile terminal 100 to connect to a network or to form a network with various external devices. For example, the antenna module 105 may include an antenna for transmitting and receiving a mobile communication related signal, an antenna for broadcasting transmission and reception, an antenna for wireless internet, an antenna for short range wireless communication, an antenna for obtaining location information, an antenna for direction finding, and the like. . In this case, each of the above-described antennas may be implemented as one antenna, at least two or more antennas of the above-described antennas may be implemented as one module, and one antenna may be used for at least two or more functions.

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, a location information module 115, and a direction search module 116. ) May be included.

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

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

The broadcast related information may exist in various forms. For example, 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).

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

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

The mobile communication module 112 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. The wireless signal may include various types of data in response to a voice call signal, a video call call signal, or a text / multimedia message transmission / reception.

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

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

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. The location information module 115 may obtain location information using a global navigation satellite system (GNSS). Here, the Global Positioning System (GNSS) is a term used to describe the radionavigation satellite systems in which certain types of radionavigation receivers orbiting the Earth are transmitting reference signals that can determine their position near the surface or ground surface . The Global Positioning System (GNSS) includes Global Positioning System (GPS) in the United States, Galileo in Europe, GLONASS (Global Orbiting Navigational Satelite System) in Russia, COMPASS in China and Japan QZSS (Quasi-Zenith Satellite System), which is operated by the Ministry of Land, Infrastructure and Transport.

As a representative example of the GNSS, the location information module 115 may be a Global Position System (GPS) module. The GPS module calculates information on a distance (distance) from three or more satellites to a point (object), information on a time when the distance information is measured, and then applies a trigonometric method to the calculated distance information, Dimensional position information according to latitude, longitude, and altitude with respect to a point (object) in the three-dimensional space. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module continuously calculates the current position in real time, and calculates velocity information using the current position.

The direction searching module 116 receives a signal transmitted from an external device through a plurality of data paths. The phase difference generated while the signal transmitted from the external device is received through the plurality of data transmission / reception paths may be used to calculate the direction and distance of the external device to the mobile terminal 100. The direction search function for the external device of the mobile terminal 100 will be described in more detail with reference to FIGS. 2 to 27.

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

The image frame processed by the camera 121 may be stored in the storage unit 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 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

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

The sensing unit 140 senses the movement 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, And senses the current state of the terminal 100 to generate a sensing signal for controlling the operation of the mobile terminal 100. The sensing signal may be transmitted to the controller 180 so that the controller 180 may perform a specific function.

The sensing unit 140 may include a touch sensor for detecting a touch of a user, a vibration sensor for detecting vibration generated based on the touch of the user, and a gyro for detecting rotation of the mobile terminal 100. Sensors, acceleration sensors, geomagnetic sensors, and the like. However, the scope of the present invention is not limited thereto.

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, it may be responsible for a sensing function related to whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor.

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

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

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

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

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, the plurality of displays may be spaced apart or integrally disposed on one surface of the mobile terminal 100, or may be disposed on different surfaces.

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 the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

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

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

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

Examples of the proximity sensor include a transmission 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.

And to detect the proximity of the cursor with the change of the electric field along the proximity of the cursor when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

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 audio output unit 152 may output audio data received from the wireless communication unit 110 or stored in the storage unit 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output unit 152 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. [ The audio output unit 152 may include a receiver, a speaker, a buzzer, and the like. Also, the sound output unit 152 may output sound through the earphone jack 116. The user can connect the earphone to the earphone jack 116 to hear the sound output.

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

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

The haptic module 154 may not only deliver the haptic effect through direct contact, but also implement the haptic effect through the muscle sense of the user's finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

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

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

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an external device.

For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The interface unit 170 may include a card slot on which the card type user identification module can be mounted. Then, the user identification module may be connected to the mobile terminal 100 through the card slot. At this time, a plurality of user identification modules may be connected to the interface unit 170.

When the mobile terminal 100 is connected to an external cradle, the interface unit 170 may be a path through which power from the cradle is supplied to the mobile terminal 100, or various commands A signal may be a path through which the signal is transmitted to the mobile terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

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

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

Under the control of the control unit 180, the power supply unit 190 receives external power and internal power, and supplies power necessary for operation of the respective components.

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

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

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

In the above, the configuration of the mobile terminal 100 according to the present invention has been described with reference to FIG. 1. Hereinafter, referring to FIGS. 2 to 27, the various functions performed by using the direction search technology implemented in the mobile terminal 100 according to the above-described embodiment of the present invention will be described in detail.

2 is a flowchart illustrating an example of a method for driving a mobile terminal 100 according to the present invention.

First, the mobile terminal 100 forms a first frequency-based first wireless communication link with an external device using the direction search module 116 (S100). The first frequency is used to search for the direction of the external device and is a frequency previously promised between the external device and the mobile terminal 100. The first wireless communication path may include a plurality of data transmission / reception paths. The plurality of data transmission / reception paths are between one antenna included in the mobile terminal 100 and a plurality of antennas included in the external device, a plurality of antennas included in the mobile terminal 100, and a plurality of antennas included in the external device. It may be formed between one antenna, a plurality of antennas included in the mobile terminal 100 and a plurality of antennas included in the external device.

Then, the mobile terminal 100 receives a signal transmitted from the external device through a plurality of data transmission and reception paths included in the first wireless communication link (S110), and the controller 180 of the mobile terminal 100. ) Obtains the direction and distance of the external device with respect to the mobile terminal 100 based on the phase difference between the received signals (S130). The direction and distance acquisition process of the external device will be described in more detail with reference to FIGS. 3 to 8.

Then, the controller 180 displays the external device on the display unit 151 in consideration of the obtained direction and distance of the external device (S130). When the user selects the external device while the external device is displayed on the display unit 151 (S140), the controller 180 automatically executes a specific function linked to the external device (S150).

Here, the specific function interworking with the external device may include forming another wireless communication link with the external device, executing an application for controlling the external device, and controlling execution of the application running in the mobile terminal 100 on the external device. Data sharing between the mobile terminal 100 and the external device, a type of the external device, and a function of controlling the external device to execute a predetermined specific function according to an application running in the mobile terminal 100; May be included. However, examples of specific functions that can be executed in the mobile terminal 100 according to the present invention are not limited to the examples described above.

3 illustrates a direction search module 116 and an antenna module 105A for receiving a signal transmitted from an external device in the mobile terminal 100 according to the present invention. The antenna module 105A may include at least one antenna that forms a plurality of data transmission / reception paths with an external device.

The direction search module 116 may demodulate a signal received through the plurality of data transmission / reception paths into a signal that may be processed by the controller 180 and output the demodulated signal to the controller 180. Then, the controller 180 can obtain the direction and distance of the external terminal of the external device by using the phase difference of the signals output from the direction search module 116.

In addition, the direction search module 116 may modulate a signal to be transmitted from the mobile terminal 100 into a signal of a frequency predetermined in advance with the external device, and output the signal to the antenna module 105A. That is, the direction search module 116 may not only perform location and direction search for the mobile terminal 100 of the external device, but also may be used for data transmission and reception with the external device.

The direction search module 116 may include a switching module 116A and a transceiver 116B. The switching module 116A may selectively transmit a signal received through the antenna module 105A to the transceiver 116B via the plurality of data transmission / reception paths. The switching operation of the switching module 116A may be controlled by the controller 180.

 The signal output from the transceiver 116B may be transferred to the antenna module 105A. The transceiver 116B may perform demodulation on a signal received through the antenna module 105A and a modulation operation on a signal to be transmitted to the antenna module 105A.

Examples of specific operations of the antenna module 105A and the direction search module 116 will be described. First, a case where a plurality of antennas are included in the antenna module 105A. The switching module 116A may sequentially connect the plurality of antennas included in the antenna module 105A with the transceiver 116B at regular time intervals. Here, the phase difference between the signals received through the plurality of antennas may be used for the direction and distance search of the external device.

Next, a case in which one antenna for directional searching is included in the antenna module 105A will be described. Shorting / opening of the switching module 116A may mean activation / deactivation of the direction search function of the mobile terminal 100. In this case, since the signal for directional searching received through the one antenna includes all signals transmitted from the plurality of antennas included in the external device, the transceiver 116B is first received through the one antenna. Signals transmitted from a plurality of antennas included in the external device must be separated from the signal. The phase difference between the separated signals may be used for the direction and distance search of the external device. According to another embodiment of the present invention, the separation of the transmitted signals may be performed by the controller 180, the controller 180 is generated when the transmitted signals are received without separating the transmitted signals Phase differences may be obtained.

4 shows an example of the antenna module 105A shown in FIG. 3. Referring to FIG. 4, the antenna module 105A may include first to fourth antennas 105A1 to 105A4 symmetrically arranged with each other. Each of the first to fourth antennas 105A1 to 105A4 receives a direction search signal transmitted from an external device.

The switching module 116A transmits and receives the first to fourth antennas 105A1 to 105A4 at regular time intervals in response to the control signal CON_SW received from the controller 180 of the mobile terminal 100. Connect with Then, the transceiver 116B obtains a phase difference between signals received through the first to fourth antennas 105A1 to 105A4, and transmits the phase difference to the controller 180, and the controller 180 transmits the phase of the signals. Based on the difference, the position and distance of the external terminal of the external device may be obtained.

5 illustrates a specific example of the antenna module 105A of FIG. 4.

Referring to FIG. 5, the antenna module 105A includes four antennas 105A1 to 105A4 symmetrically disposed in a radius of 3 centimeters circle. The control unit 180 of the mobile terminal 100 according to the present invention is a phase difference of the signals received from the antennas 105A1 to 105A4, the radius of the circle and the arrangement structure of the antennas 105A1 to 105A4, in an external device Using a frequency (433 MHz) of the transmitted signal, the distance from the center of the circle to the external device is 20 meters and the angle between the first antenna 105A1 and the external device is 20 with respect to the center of the circle. You can calculate the name.

FIG. 6 illustrates that a phase of a signal received from antennas included in the antenna module 105A shown in FIG. 5 is changed according to the position of an external device. Referring to FIG. 6, the phase difference between the first antenna 105A1 and the other antennas 105A2 to 105A4 is periodically changed as the angle between the first antenna 105A1 and the external device is changed with respect to the center of the circle. It can be seen that occurs. This phase difference may be used for the direction search for the external device of the controller 180.

7 and 8 illustrate examples in which a plurality of data transmission and reception paths are formed between the mobile terminal 100 and an external device according to the present invention.

Referring to FIG. 7A, the plurality of data transmission / reception paths may include antenna pairs 105A5 and 105A6 symmetrically disposed at an angle of 180 degrees with respect to the antenna module 105A of the mobile terminal 100 and the outside. It can be seen that it can be formed between the antennas of the device. In FIG. 7A, a dotted line indicates a data transmission / reception path. This is common in FIGS. 7 and 8.

Referring to FIG. 7B, the plurality of data transmission / reception paths are antennas 105A7, 105A8, and 105A9 symmetrically disposed at an angle of 120 degrees to the antenna module 105A of the mobile terminal 100. It can be seen that it can be formed between and the antenna of the external device.

Referring to FIG. 8A, the plurality of data transmission / reception paths are antenna pairs 105A10 of the mobile terminal 100 and antenna pairs 205A2 and 205A3 symmetrically disposed at 180 degree angles with each other in the external device. It can be seen that can be formed between).

Referring to FIG. 8B, the plurality of data transmission / reception paths are antennas 105A10 of the mobile terminal 100 and antennas 205A4 and 205A5 symmetrically disposed at an angle of 120 degrees to each other in the external device. It can be seen that it can be formed between, and 205A6).

Referring to FIG. 8C, the plurality of data transmission / reception paths may be formed between the antennas 105A10 of the mobile terminal 100 and the antennas 205A7 to 205A10 symmetrically disposed at right angles to each other. It can be seen that.

Unlike the examples described above, a data transmission / reception path between the mobile terminal 100 and the external device according to the present invention is formed between a plurality of antennas included in the mobile terminal 100 and a plurality of antennas included in the external device. May be As the number of data transmission / reception paths between the mobile terminal 100 and the external device increases, the accuracy of the direction and distance search of the external device may increase.

9 illustrates various applications of the direction search function of the mobile terminal 100 according to the present invention.

Referring to FIG. 9A, it can be seen that the mobile terminal 100 can be used for location search of a child or elderly person, location search of a vehicle, and the like. Here, the child or the elderly should have a tag capable of transmitting a direction search signal, and the vehicle should be attached with a tag capable of transmitting a direction search signal. According to an embodiment of the present invention, the mobile terminal 100 may perform a path leading to the found person or vehicle.

Referring to FIG. 9B, it can be seen that the mobile terminal 100 can control various searched electronic devices using a direction search technique. For example, when the found home appliance is selected, the mobile terminal 100 may execute a remote control application for controlling the selected home appliance.

Referring to FIG. 9C, the mobile terminal 100 may not only acquire location information of the specific store through communication with an external device that transmits a search signal installed in the specific store, but also the specific store. It can be seen that the store's business type, main product items, event information, coupons, and the like may be received. In this case, the information received from the external device may be used for AR (Argumented Reality).

10 is a flowchart illustrating a process of performing filtering on an external device searched by a direction search technique in the mobile terminal 100 according to the present invention.

First, the mobile terminal 100 searches for a plurality of external devices located around the mobile terminal 100 by using the above-described direction search technique (S200). When the plurality of external devices are found, the controller 180 of the mobile terminal 100 performs filtering on the searched plurality of external devices according to a predetermined filtering condition (S210).

The filtering condition may be set by the user or may be changed by the user in the future. In addition, the predetermined filtering condition may be stored in the storage 160. Examples of the predetermined filtering condition will be described in more detail later with reference to FIG. 11.

When filtering according to the filtering condition is completed, the controller 180 displays only the filtered external device on the display unit 151 (S220). Then, the user may select an external device displayed on the display unit 151 to perform a specific function linked with the external device.

11 shows examples of filtering conditions for an external device found in the mobile terminal 100 according to the present invention. Referring to FIG. 11, the filtering condition is that the number of times of connection between the mobile terminal 100 and the external device is greater than or equal to a threshold number of times based on a connection history of the mobile terminal 100 and the external device. Connection frequency with 100) may be greater than or equal to the threshold frequency.

Further, the filtering condition may be 'mobile external device', 'fixed external device', and more specifically, 'smart phone' on which the type of the external device is a reference. Further, the filter condition may be 'to include a Wi-Fi communication module', 'to include one communication module of a plurality of communication modules including a Wi-Fi communication module' on the basis of a communication module provided in an external device. It may be. In addition, the filtering condition may be 'an external device registered in the mobile terminal 100'. In addition, the filtering condition may be 'an external device located within a specific distance from the mobile terminal 100'.

The above filtering conditions are only examples of the filtering conditions that can be set in the mobile terminal 100 according to the present invention, but the scope of the present invention is not limited thereto. In addition, these filtering conditions may be applied in duplicate.

As described above with reference to FIGS. 10 and 11, when a plurality of external devices are searched for, the mobile terminal 100 performs external filtering that matches the user's disposition by performing filtering according to a predetermined filtering condition. Only the device may be displayed on the display unit 151 or only an external device capable of performing a function that the user wants to execute may be displayed on the display unit 151.

12 is a flowchart illustrating another example of a method for driving a mobile terminal 100 according to the present invention.

First, the mobile terminal 100 forms a wireless communication link with an external device using the wireless communication unit 110 (S300), and transmits a plurality of data transmission / reception paths transmitted from an external device and included in the wireless communication link. The direction and distance of the external device are obtained based on the phase difference of the received signal (S310).

In addition, the mobile terminal 100 receives the altitude value of the external device through the wireless communication link (S320), and the mobile terminal 100 sensed by the sensing unit 140 with the altitude value of the received external device. In operation S330, an altitude difference between the mobile terminal 100 and the external device is obtained based on the altitude value.

Then, the controller 180 displays the external device on the display unit 151 in consideration of the direction, distance, and altitude difference of the external device acquired with respect to the mobile terminal 100 (S340).

FIG. 13 illustrates an example in which a searched external device is displayed on the display unit 151 in consideration of the direction, distance, and altitude difference with respect to the mobile terminal 100 according to the method for driving the mobile terminal 100 shown in FIG. 12. .

Referring to FIG. 13, at a distance of 5 meters from the mobile terminal 100, the TV 151B is located at the same altitude as the mobile terminal 100, and is located 3 meters higher than the mobile terminal 100. The notebook 151C is located, and the refrigerator 151D is located at a position 3 meters lower than the mobile terminal 100. As described above with reference to FIGS. 12 and 13, when the searched external device is displayed in consideration of altitude, the user may more accurately distinguish and select the external device displayed on the display unit 151.

14 illustrates examples of a user selecting an external device displayed on the display unit 151. For reference, the inverted triangle shown in FIG. 14 indicates the position of the mobile terminal 100.

Referring to FIG. 14A, the user may select the external device DEVICE B by touching the external device DEBICE B displayed on the display unit 151. Referring to FIG. 14B, it can be seen that the user can select the specific external device by moving a touch in a direction in which the specific external device DEVICE B is located around the mobile terminal 100.

In this case, if a plurality of external devices are located in the direction, the controller 180 of the mobile terminal 100 displays a user interface for selecting a desired device among the plurality of external devices on the display unit 151. can do. This can be similarly applied to (c) of FIG. 14.

Referring to FIG. 14C, the user may select the specific external device DEVICE B by pointing the mobile terminal 100 in a direction in which the specific external device DEVICE B is located. Although not shown in FIG. 14, the controller 180 displays an external display on the display unit 151 based on a user's gesture that can be recognized through the camera 121, a user's voice received through the microphone 122, and the like. You can also select a device.

FIG. 15 illustrates an example in which a user selects one of the external devices DEVICE A and DEVICE B having similar altitudes and different altitude values in the mobile terminal 100 according to the present invention. Referring to FIG. 15, when the user raises the front portion of the mobile terminal 100 upward, an external device DEVICE A located at a higher altitude than the mobile terminal 100 is selected, and the user selects the mobile terminal 100 of the mobile terminal 100. When the front part is lowered, it can be seen that the external device DEVICE B located at a lower altitude than the mobile terminal 100 is selected. According to the external device selection method illustrated in FIG. 15, the user may perform a more accurate selection operation on the searched external devices.

Although not shown in the drawing, when a specific external device is selected, the controller 180 of the mobile terminal 100 displays a message indicating that the specific external device is selected on the display unit 151 or outputs a sound signal. May cause vibration. In addition, the controller 180 may notify the user that the specific external device is selected by repeating the flashing of the lamp provided in the mobile terminal 100.

16 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention.

First, the controller 180 of the mobile terminal 100 forms a first wireless communication link with an external device using the wireless communication unit 110 (S400). Then, the controller 180 transmits an access permission message of the mobile terminal 100 to the external device through the first wireless communication link (S410).

Then, the controller 180 checks whether a response message is received from the external device (S420). If the response message is not received from the external device within a predetermined time, the controller 180 releases the first wireless communication link with the external device (S430), and sends the external device to the display unit 151. Do not display.

If a response message is received from the external device within a predetermined time, the controller 180 checks whether the received response message is an access permission message (S440). If the received response message is a message that does not allow access, the controller 180 releases the first wireless communication link with the external device (S450) and displays the external device on the display unit 151. I never do that.

However, if the received response message is an access permission message, the controller 180 maintains a first wireless communication link with the external device and displays the external device on the display unit 151 (S460). This is based on the premise that the direction and location of the external device are obtained by the direction searching signal received through the first wireless communication link.

Although not shown in the drawing, the user of the mobile terminal 100 according to the present invention also responds to the access permission message received by the mobile terminal 100, an access permission message or an access permission message for the mobile terminal 100. Can be transmitted.

In addition, the user may predetermine a corresponding method for an access request for each external device. For example, the user may preset a corresponding method such as “always connect”, “ask when connecting”, “no connection” according to a security level set for the external device.

17 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention.

The controller 180 of the mobile terminal 100 displays the external device searched by the direction search technique on the display unit 151 (S500). The user selects the external device displayed on the display unit 151 (S510). Then, the controller 180 automatically executes a route guidance application leading to the selected external device (S520).

FIG. 18 illustrates that an application for guiding a route to a tagged vehicle, which is an external device, is executed according to the method of driving the mobile terminal 100 illustrated in FIG. 17. For reference, FIG. 18 assumes a case in which the user selects the vehicle while the vehicle is displayed on the display unit 151.

Referring to FIG. 18, the controller 180 may display the path from the entrance of the parking lot to the parking space 3 of the B parking block in which the vehicle is parked on the display unit 151. In this case, the controller 180 may output a sound signal necessary for guiding a route through the sound output unit 152.

19 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention.

First, the controller 180 of the mobile terminal 100 displays the searched external device on the display unit 151 using the direction search technique (S600). Then, the mobile terminal 100 receives information on at least one communication module included in the external device through a first wireless communication link with the external device (S610). Here, the first wireless communication link may be a wireless communication link used for direction searching for the external device.

When the user selects the external device displayed on the display unit 151 (S620), the controller 180 performs a second frequency-based second wireless communication with a communication module selected from at least one communication module included in the external device. A link is formed (S630). The at least one communication module may be a Wi-Fi communication module, a Zigbee communication module, a Bluetooth communication module, or the like. That is, the second frequency means a frequency of a band different from the first frequency corresponding to the first wireless communication link used for the direction search for the external device.

20 illustrates an example in which a second wireless communication link is formed between the mobile terminal 100 and an external device according to the driving method of the mobile terminal 100 shown in FIG. 19. For reference, in FIG. 20, it is assumed that the external device is selected when the mobile terminal 100 is directed.

Referring to FIG. 20, the controller 180 of the mobile terminal 100 may form a Wi-Fi communication module and a wireless router 200 located in a direction in which the mobile terminal 100 is directed. 100 may form a Bluetooth communication link with an external device located in a direction, and the mobile terminal 100 may form a Wi-Fi communication module with another mobile terminal 210 located in a direction. Able to know.

FIG. 21 illustrates that when a plurality of communication modules are included in the selected external device DEVICE A, a message is provided to the user to select a communication module to be used for formation in a wireless communication link.

Referring to FIG. 21, when a specific external device DEVICE A is selected, it can be seen that the specific external device DEVICE A includes a Wi-Fi communication module, a Bluetooth communication module, and a Zigbee communication module. As illustrated in FIG. 21, when a user selects a Zigbee communication module, the controller 180 of the mobile terminal 100 connects a Zigbee communication module between the specific external device DEVICE A and the mobile terminal 100. Can be formed.

22 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention. FIG. 23 illustrates an example of a process of executing an external device control application according to the method of driving the mobile terminal 100 illustrated in FIG. 22. For reference, the driving method illustrated in FIG. 22 is based on the premise that the mobile terminal 100 searches for an external device using a direction search technique and then displays the searched external device on the display unit 151. to be.

The mobile terminal 100 receives the external device related information through the first frequency-based first wireless communication link used for the direction search for the external device (S700). Then, the controller 180 recognizes that the external device displayed on the display unit 151 is selected by the user (S710).

Then, the controller 180 executes the external device control application based on the received external device related information (S720). The control signal for controlling the external device may be transmitted to the external device through the first wireless communication link.

According to another embodiment of the present invention, the control signal may be transmitted to the external device via the second wireless communication link based on the above-described second frequency. The second wireless communication link may be formed when an external device displayed on the display unit 151 is selected, or may be formed after the external device control application is executed. Whether the control signal is transmitted to the external device through the first wireless communication link or the second wireless communication link may be determined according to the magnitude of the control signal.

Referring to FIG. 23, the display unit 151 of the mobile terminal 100 displays an execution screen of a TV control application or an air conditioner control application connected to the mobile terminal 100. Then, the user may operate the execution screen of the control application to control the TV or the air conditioner.

24 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention.

First, the controller 180 of the mobile terminal 100 displays an external device search result performed by the direction search technique on the display unit 151 (S800). When the external device displayed on the display unit 151 is selected by the user (S810), the controller 180 interworks with the external device according to the application running in the mobile terminal 100 and the type of the selected external device. And select a specific function to be executed (S820). Meanwhile, a specific function to be executed by the mobile terminal 100 may be predetermined and stored according to the type of an application executed in the mobile terminal 100 and an external device.

Then, the controller 180 selects the selected specific information using a wireless communication link selected from a first wireless communication link used for the direction search and a second wireless communication link based on a frequency band different from the first wireless communication link. To execute the function (S830). The second wireless communication link may be formed when an external device displayed on the display unit 151 is selected.

In some cases, the second wireless communication link with the external device may not be formed. For example, when there is not much data to transmit / receive with the external device in order to execute the selected specific function, the controller 180 does not form the second wireless communication link, but uses the already formed first wireless communication link. To perform the selected specific function. More specifically, the second wireless communication link may not be formed when the selected specific function is to execute a control application in which only a signal for controlling the external device needs to be transmitted to the external device.

However, it is preferable that the second wireless communication link is formed when the selected specific function is file transmission / reception with the external device, multimedia reproduction sharing, or the like. This is because the amount of data to be transmitted and received with the external device may be large in the process of performing the specific function.

That is, the controller 180 selects one wireless communication link of the first wireless communication link and the second communication link according to the type of the specific function to be executed, and performs the specific function by using the selected one wireless communication link. Can be.

25 to 26 illustrate examples of executing a specific function linked to an external device according to the method of driving the mobile terminal 100 illustrated in FIG. 24.

Referring to FIG. 25, when a TV is selected among the external devices searched during the playback of the multimedia file, the controller 180 of the mobile terminal 100 may share the multimedia file with the TV. For example, when the TV is selected in a state where an image view application is executed in the mobile terminal 100 and a specific image file is open, the controller 180 may control the TV to display the specific image file on the TV. Can be. In addition, when the TV is selected while a specific video file is being played by the video application in the mobile terminal 100, the controller 180 may control the TV to display the specific video.

When a printer is selected while a specific document file or photo file is displayed on the mobile terminal 100, the controller 180 may control the printer to print the specific document file or photo file. When audio is selected while the mobile terminal 100 plays a specific audio file, the controller 180 can control the audio to output the specific audio file. When a notebook is selected while a specific file is selected in the mobile terminal 100, the controller 180 may transmit the selected specific file to the notebook.

FIG. 26 illustrates that the specific file is shared with the external device when an external device including a data storage device such as a hard disk, a notebook computer, or a TV is selected while the specific file is selected in the mobile terminal 100. In addition, FIG. 26 may represent that the mobile terminal 100 shares a specific file of the external device.

Specific functions linked to the external device described above with reference to FIGS. 25 and 26 are only examples according to an embodiment of the present invention, and the scope of the present invention is not limited thereto.

27 is a flowchart illustrating a method of driving a mobile terminal 100 according to another embodiment of the present invention.

When the direction search process for the external device of the mobile terminal 100 is finished, the controller 180 of the mobile terminal 100 is a direction search result for the external device and the sensing unit of the mobile terminal 100 ( In operation S900, the direction information of the mobile terminal 100 sensed by the mobile terminal 100 is sensed.

The direction information of the mobile terminal 100 may include direction information sensed by a geomagnetic sensor included in the sensing unit 140, rotation information sensed by a gyro sensor included in the sensing unit 140, and the like. Can be. However, the scope of the present invention is not limited thereto.

After the direction search for the external device is finished, the direction re-search function for the external device is executed in the mobile terminal 100 (S910). When the direction re-search for the external device is started, the controller 180 controls the sensing unit 140 to sense current direction information of the mobile terminal 100 (S920).

Then, the controller 180 compares the stored direction information of the mobile terminal 100 with the current direction information (S930), and estimates the position of the external device by reflecting the comparison result (S940). The external device position estimation function of the mobile terminal 100 according to the present invention can estimate the position in advance when it is necessary to search the directions of a plurality of external devices at once, thereby contributing to the speed improvement of the direction search. However, when the position estimation function is applied to a mobile external device instead of a stationary fixed external device, an error rate may increase.

A concrete example of the position estimation function of the mobile terminal 100 will be described.

The direction search result of the external device in the storage unit 160 is 22.5 degrees counterclockwise in the direction toward the front of the mobile terminal 100, the direction information of the mobile terminal 100 is 45 degrees from north to east Assume It is assumed that the direction information of the current mobile terminal 100 is 60 degrees from the north. Then, the direction of the external device to the mobile terminal 100 reflects 15 degrees which is a difference between the stored direction information of the mobile terminal 100 and the direction information of the current mobile terminal 100, and thus, the mobile terminal 100. 37.5 degrees counterclockwise from the direction of the front part of the

Each of the driving methods of the mobile terminal 100 according to the present invention can be implemented in a form of a program that can be executed through various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program recorded on the medium may be those specially designed and constructed for the present invention or may be those known to those skilled in the computer software.

Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of programs include high-level language code that can be executed by a computer using an interpreter or the like, as well as machine code as produced by a compiler. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

100: mobile terminal 105: antenna module
110: wireless communication unit 116: direction search module
120: A / V input unit 130: user input unit
140: sensing unit 150: output unit
151: display 152: sound output unit
160: storage unit 170: interface unit
180: control unit 190: power unit
200, 210, 220, 230: external device

Claims (20)

A display unit;
A wireless communication unit for forming a first frequency-based first wireless communication link including a plurality of data transmission / reception paths with an external device; And
Obtain a direction and a distance to the mobile terminal of the external device based on a phase difference generated as each of the at least one signal transmitted from the external device is received through the plurality of data transmission / reception paths; A controller for displaying the external device in consideration of a distance,
The control unit,
And selecting the external device displayed on the display unit automatically executes a specific function linked with the external device. The wireless communication system according to claim 1,
A plurality of antennas disposed symmetrically and each corresponding to a signal of the first frequency band,
The plurality of data transmission and reception paths,
And at least one antenna of each of the external devices transmitting the at least one signal and the plurality of antennas. The wireless communication system according to claim 1,
An antenna corresponding to the signal of the first frequency band,
The plurality of data transmission and reception paths,
A mobile terminal, characterized in that formed between the plurality of antennas and the antenna of the external device for transmitting a plurality of signals. The apparatus of claim 1,
And when a plurality of external devices are searched, only the external devices satisfying a predetermined filtering condition among the searched external devices are displayed on the display unit. The method of claim 4, wherein the filtering condition,
And generated based on at least one of a type of each of the searched external devices, a connection history with the mobile terminal, a type of a provided communication module, whether to register with the mobile terminal, and a distance to the mobile terminal. Mobile terminal. The wireless communication system according to claim 1,
Receive an altitude value of the external device via the first communication link,
The control unit,
And obtaining an altitude difference between the mobile terminal and the external device based on the received altitude value of the external device, and displaying the external device on the display unit in consideration of the obtained altitude difference. The apparatus of claim 1,
A touch on the external device displayed on the display unit implemented as a touch screen, a movement of a touch on the display unit, a three-dimensional orientation of the mobile terminal sensed by a sensing unit, and a gesture of a user photographed by a camera And selecting the external device based on a voice of a user received through a microphone. The wireless communication system according to claim 1,
Receives information about at least one communication module included in the external device through the first wireless communication link,
The control unit,
And when the external device displayed on the display unit is selected, controlling the wireless communication unit to form a second wireless communication link based on a second frequency based on a communication module selected from at least one communication module included in the external device. Mobile terminal. The method of claim 8, wherein the control unit,
A mobile terminal for selecting one of the first wireless communication link and the second wireless communication link according to the type of the specific function, and performing the specific function using the selected wireless communication link. . The method of claim 9, wherein the specific function interworking with the external device is
And the type of the application being executed in the mobile terminal and the type of the external device. The method of claim 10, wherein the control unit,
And when the external device displayed on the display unit is selected while playing the multimedia file, controlling the external device to play the multimedia file. The method of claim 8, wherein the wireless communication unit,
Receive the external device related information through a wireless communication link of one of the first wireless communication link and the second wireless communication link,
The control unit,
When the external device displayed on the display unit is selected, the external device control application is executed based on the received external device related information, and the wireless communication link of one of the first wireless communication link and the second wireless communication link is disconnected. Mobile terminal, characterized in that for transmitting a control signal. Forming a first frequency-based first wireless communication link with an external device comprising a plurality of data transmit and receive paths;
Acquiring a direction and a distance of the external device with respect to the mobile terminal based on a phase difference generated as each of the at least one signal transmitted from the external device is received through the plurality of data transmission / reception paths;
Displaying the external device on the display unit in consideration of the obtained direction and distance; And
And automatically executing a specific function linked with the external device when the external device displayed on the display unit is selected. The method of claim 13, wherein the mobile terminal driving method is
Receiving an altitude value of the external device via the first communication link;
Obtaining a height of the external device with respect to the mobile terminal based on the received altitude value of the external device; And
And displaying the external device on the display unit in consideration of the acquired height. The method of claim 13, wherein the mobile terminal driving method comprises:
Receiving information regarding at least one communication module included in the external device via the first wireless communication link,
Automatically executing the specific function,
And when the external device displayed on the display unit is selected, forming a second wireless communication link based on a second frequency based on at least one communication module included in the external device. How to drive a terminal. The method of claim 15, wherein automatically executing the specific function,
Selecting one of the first wireless communication link and the second wireless communication link according to the type of the specific function; And
And executing said specific function using said selected one wireless communication link. The method of claim 15, wherein automatically performing the specific function comprises:
If the external device displayed on the display unit is selected, executing the external device control application;
And a control signal generated through the external device control application is transmitted to the external device through the first wireless communication link or the second wireless communication link. The method of claim 15, wherein the mobile terminal driving method comprises:
And determining the specific function according to a type of an application running in the mobile terminal and a type of the external device. The method of claim 18, wherein automatically executing the specific function comprises:
And controlling the external device to play the multimedia file when the external device displayed on the display unit is selected during the playback of the multimedia file. A recording medium storing a computer program for executing the mobile terminal driving method according to any one of claims 13 to 19.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150003528A (en) * 2013-07-01 2015-01-09 삼성전자주식회사 Method and apparatus for user interface by sensing head movement
CN112346002A (en) * 2019-08-09 2021-02-09 佳能株式会社 Information processing apparatus, control method thereof, and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150003528A (en) * 2013-07-01 2015-01-09 삼성전자주식회사 Method and apparatus for user interface by sensing head movement
CN112346002A (en) * 2019-08-09 2021-02-09 佳能株式会社 Information processing apparatus, control method thereof, and storage medium

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