KR101741398B1 - Mobile terminal and method for controlling display apparatus - Google Patents

Abstract

A mobile terminal for controlling a playback state of an external display device, the mobile terminal comprising: a determination unit operable to determine whether an event has occurred in the mobile terminal and to generate a control signal for controlling a playback state of the external display device in response to the event; And a wireless communication unit for transmitting the control signal to the external display device.

Description

[0001] MOBILE TERMINAL AND METHOD FOR CONTROLLING DISPLAY APPARATUS [0002]

The present invention relates to a method for controlling the reproduction state of an external display apparatus and a mobile terminal thereof.

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

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

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

Recent terminals have a function to control an external display device. That is, various functions such as playback of an external display device can be controlled through a terminal. However, there is a problem that, in controlling the external display device through the terminal, the user can not consider various states that may occur in the terminal as the control subject.

The present invention provides a mobile terminal capable of controlling the playback state of an external display device and a method of controlling the playback state of an external display device according to various situations that may occur in the mobile terminal and a mobile terminal .

Another aspect of the present invention is to provide an external display device control method and a mobile terminal capable of resuming an existing playback state in an external display device when various situations occurring in the mobile terminal are terminated.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

A mobile terminal according to an embodiment of the present invention for realizing the above object is a mobile terminal for controlling a playback state of an external display device, the mobile terminal comprising: a determination unit operable to determine whether an event has occurred in the mobile terminal, A control unit for generating a control signal for controlling the reproduction state of the display device, and a wireless communication unit for transmitting the control signal to the external display device.

In the mobile terminal, the event may include at least one of receiving a voice call, receiving a video call, receiving a message, and turning off the mobile terminal.

The external display device is controlled to stop the image reproduced by the control signal and is controlled to reproduce the stopped image again when the event ends. Also, the external display device may be controlled to adjust the volume of the reproduced image according to the control signal. The external display device is controlled to reproduce a media image from an external storage device controlled by the mobile terminal.

The wireless communication unit transmits the control signal to the external display device through DLNA (Digital Living Network Alliance).

A method of controlling a display device according to an embodiment of the present invention for realizing the above object includes the steps of initiating a control operation on a playback state of an external display device, determining whether an event of the mobile terminal is generated, Generating a control signal for controlling the generation state of the external display device to correspond to the control signal, and transmitting the control signal to the external display device. Here, the event includes at least one of receiving a voice call, receiving a video call, receiving a message, and turning off the power of the mobile terminal.

The mobile terminal according to at least one embodiment of the present invention configured as described above adjusts the playback state according to various states of the mobile terminal even when the playback state of the external display device is controlled through the mobile terminal, There is an effect of eliminating the hassle of controlling the reproduction state of the apparatus.

In addition, the mobile terminal according to at least one embodiment of the present invention configured as described above has an effect that various functions of the external display device can be used to suit an event generated in the mobile terminal.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2A is a front perspective view of a mobile terminal according to an embodiment of the present invention;
FIG. 2B is a rear perspective view of a mobile terminal according to an embodiment of the present invention; FIG.
FIGS. 3A and 3B are front views of a mobile terminal for explaining one operation state of the mobile terminal according to the present invention; FIG.
4 is a flowchart schematically showing a method of controlling an external display device related to the present invention.
5A and 5B are diagrams schematically showing a control method for an external display device of a mobile terminal according to the present invention.
6A to 6C schematically illustrate control of an external display device in a power off state of a mobile terminal in accordance with the present invention;
7A to 7E schematically illustrate control of an external display device when receiving a voice call of a mobile terminal according to the present invention;
8A to 8C schematically illustrate control of an external display device when receiving a video call of a mobile terminal according to the present invention.
9A to 9C schematically illustrate control of an external display device when receiving a message of a mobile terminal according to the present invention.
10A and 10B are diagrams schematically showing control of an external display device according to a power on / off state of a display unit of a mobile terminal according to the present invention.

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

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), and navigation. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

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

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

Hereinafter, the components will be described in order.

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

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

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

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

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

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

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

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

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

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module.

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

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

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

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

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

The output unit 150 is for generating an output relating to visual, auditory or tactile sense and includes a display unit 151, an acoustic output module 152, an alarm unit 153, a haptic module 154, 155, and the like.

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

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display display, and a 3D display.

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

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

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

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

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

The proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is enclosed by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

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

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

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

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

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

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

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

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

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

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

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

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

The memory unit 160 may store a program for processing and controlling the control unit 180 and temporarily store the input / output data (e.g., telephone directory, message, audio, For example. The memory unit 160 may also store the frequency of use of each of the data (for example, each telephone number, each message, and frequency of use for each multimedia). In addition, the memory unit 160 may store data on vibration and sound of various patterns output when the touch is input on the touch screen.

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

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

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

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

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

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

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

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

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

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

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

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

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

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

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 151 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102. [

The user input unit 130 is operated to receive a command for controlling the operation of the portable terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

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

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

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

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

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

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

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

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102 as well.

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

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

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

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

3A illustrates inputting a touch applied to a virtual keypad through a front surface of a terminal body.

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

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

3B shows a touch input to the virtual keypad through the rear surface of the terminal body. FIG. 3A shows a case where the terminal body is vertically arranged, and FIG. 3B shows a case where the terminal body is arranged horizontally. The display unit 151 may be configured to convert the output screen according to the arrangement direction of the terminal body.

3B shows that the text input mode is activated in the portable terminal. The display unit 151 displays an output window 151a 'and an input window 151b'. The input window 151b 'may have a plurality of virtual keypads 151c' displayed with at least one of characters, symbols, and numbers. The virtual keypads 151c 'may be arranged in the form of a QWERTY key.

When the virtual keypads 151c 'are touched through the touch pad 135 (see FIG. 2B), characters, numbers, symbols corresponding to the touched virtual keypad are displayed on the output window 151a'. As described above, the touch input through the touch pad 135 is advantageous in that the virtual keypad 151c 'can be prevented from being covered by the finger when the user touches the touch input through the display unit 151. [ In the case where the display unit 151 and the touch pad 135 are formed to be transparent, the fingers located on the rear side of the terminal body can be visually confirmed, thereby enabling a more accurate touch input.

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

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

For convenience of explanation, it is assumed that the mobile terminal referred to below includes at least one of the components shown in FIG.

4 is a flowchart schematically showing a display device control method related to the present invention.

The control unit 180 starts a control operation for the reproduction state of the external display device 200 (S410). The control unit 180 determines whether an event of the mobile terminal 100 has occurred (S420). The control unit 180 generates a control signal corresponding to the event when the event occurs (S430). The wireless communication unit 110 transmits the generated control signal to the external display device 200 (S440).

As used herein, the term 'external display device' is an apparatus or device for displaying various media and broadcasts. The external display device may display various media files stored by the device or may display media files received from the outside. The external display device is not limited to the type, and a device having a display function is included in the external display device of the present invention, and a TV, a monitor, a terminal, a PMP, or the like may correspond to the external display device.

5A and 5B are views schematically showing a control method for an external display device of a mobile terminal according to the present invention.

5A shows that the mobile terminal 100 provides control information for controlling the external display device 200 in connection with the present invention. The external display device 200 may be a display device such as a TV or a monitor as described above. The external display device 200 receives the control information from the mobile terminal 100 and is controlled according to the contents of the control information.

The control information provided by the mobile terminal 100 to the external display device 200 includes information on power on / off, volume control, channel switching, channel storage, and playback of a media file. The mobile terminal 100 may serve as a remote controller for the external display device 200 through the function of the mobile terminal 100.

FIG. 5B illustrates a method of controlling the external display device 200 by the mobile terminal 100 through DLNA (Digital Living Network Alliance) technology.

DLNA technology refers to mutual interoperability technology that enables various contents stored in PC, mobile phone, etc. to be displayed on a display device such as a TV using a network.

Generally, storage devices such as PCs and servers can store various media. The various media can be transmitted to other devices, but a media stream of the media can be provided to the display device so that the media stream can be displayed on the display device. In DLNA technology, a device that plays a role of storing media is called a DMS (Digital Media Server). A device acting as a DMS is a data storage device with a large storage capacity.

Also, in DLNA technology, a device that displays media stored in the DMS is a DMR (Digital Media Renderer). A device serving as a DMR is a device having a display function such as a TV or a monitor because it can display the corresponding media.

In the DLNA technology, a device having a control function for displaying the media stored in the DMS in the DMR is a digital media controller (DMC). That is, it controls the DMS 300 to provide media streaming to the DMR 200 and controls the DMR 200 to display the received media.

In connection with the present invention, in the DLNA technology, the mobile terminal 100 of the present invention can function as a DMC, and the external display device 200 functions as a DMR. Accordingly, the mobile terminal 100 can control to display media from another PC or server acting as a DMS on the external display device 200. [

Various situations (events) may occur in the mobile terminal 100 while the mobile terminal 100 controls the external display device 200. [ For example, when receiving a voice call from outside through the wireless communication unit 110 of the mobile terminal 100, various events such as a reception of a video call from the outside, a reception of a message, May occur.

In the case where the media playback state of the external display device 200 is maintained through the mobile terminal 100 and various situations occur in the mobile terminal 100, Is problematic. That is, there is a problem that the user must stop the mobile terminal 100 and solve the situation of the mobile terminal 100. In this case, the control unit 180 can generate a control signal for controlling the external display device 200 in such a situation, without requiring the user to manage the control signal.

6A to 6C are diagrams schematically showing control of an external display device in a power off state of a mobile terminal according to the present invention.

6A is a diagram illustrating a state in which the mobile terminal 100 is powered off.

When an event occurs in which the power of the mobile terminal 100 is turned off while the external display apparatus 200 is being controlled through the mobile terminal 100, the mobile terminal 100 displays the corresponding power off state in the display unit 151 Display. At the same time, the external display device 200 controlled by the mobile terminal 100 can recognize the power off state through the control information.

6B is a diagram illustrating an example of controlling an external display device in a power off state of the mobile terminal.

The control of the external display device 200 of the mobile terminal 100 in the case where the power of the mobile terminal 100 is turned off in a state of controlling the external display device 200 through the mobile terminal 100 It can be a problem. Accordingly, there is a need to inform the user of the power off state of the mobile terminal 100. [ It is more effective for the user of the mobile terminal 100 to notify the power off state through the external display device 200 rather than the mobile terminal 100 because the media is being reproduced through the external display device 200. [

The control unit 180 of the mobile terminal 100 determines whether the power off state has occurred and controls the external display device 200 to display the power off state through the external display device 200. [ . The external display device 200 displays the event occurrence of 'control terminal power shortage' (620).

6C is a diagram showing another example of controlling the external display device in the power off state of the mobile terminal.

It is difficult to control the external display device 200 of the mobile terminal 100 when the power of the mobile terminal 100 is turned off so that the media played back on the external display device 200 can be stopped.

6C, the external display device 200 can receive the control information related to the power off state of the mobile terminal 100 and stop the media received from the external display device 200. [ The stopped portion can be controlled to be stored in the external display device 200 when the media is stopped. In the drawing, the media is stopped at "07:17 ", which can be stored in the external display device 200. [

6B shows a case where the mobile terminal 100 is powered on again. When the power source 610 of the mobile terminal 100 is refilled, the mobile terminal 100 can again control the external display device 200 when the power is turned on. At the same time, the control unit 180 can inform the external display device 200 of the end of the power-off state through the control information.

6B, when the external display device 200 recognizes that the power is turned on again from the mobile terminal 100, the external display device 200 can reproduce the stopped media again. Here, with reference to Fig. 6C (a), it can be set to reproduce again from the stopped part. In the drawing, the external display apparatus 200 can be set to reproduce the media from "07:17" again because the external display apparatus 200 has been stopped at 7:17 "

6C, the present invention can be applied to a case where the control information of the mobile terminal 100 is not normally received by the external display device 200, although the power is turned off. That is, when a situation occurs in which the external display device 200 can not normally receive control from the mobile terminal 100, the media to be played back when the situation occurs can be stopped, The media may be replayed.

7A to 7E are diagrams schematically showing control of an external display device when receiving a voice call of a mobile terminal according to the present invention.

7A is a diagram illustrating a situation in which a voice call is received as an event generated in the mobile terminal 100. FIG. When the mobile terminal 100 receives a voice call from the external partner terminal to the mobile terminal 100 that controls the external display apparatus 200 while controlling the reproduction state of the external display apparatus 200, The control unit 180 controls the external display device 200 to transmit the control information including the event status.

FIG. 7B is a diagram illustrating that an external display device 200 displays an event such as a voice call reception when a voice call situation occurs in the mobile terminal 100. In FIG. The user can be notified by displaying on the display unit of the external display device 200 that the mobile terminal 100 has received the voice call from the external terminal.

7C is a diagram illustrating control of the volume of the external display device 200 to suit a voice call reception situation when a voice call reception event occurs in the mobile terminal 100. [ There is a need to adjust the volume of the external display device 200 because the user needs to make a voice call with the counterpart terminal when the voice call is received from the mobile terminal 100. [ Accordingly, the mobile terminal 100 may remove the volume of the external display device 200 through the control information. The user needs to have a function of temporarily stopping the voice of the media to be reproduced from the external display device 200 and making a voice call when making a voice call. Accordingly, the control unit 180 of the mobile terminal 100 can generate control information to control the volume of the external display device 200 when a voice call event occurs. The external display device 200 receiving the control information can be controlled to erase or adjust the audio of the media to be reproduced.

FIG. 7D is a diagram illustrating that voice communication is controlled through the external display device 200 to be suitable for a voice call event when a voice call event is generated in the mobile terminal 100. FIG. The control unit 180 may generate the control information so that the mobile terminal 100 can communicate with the external terminal through the external display device 200 when the mobile terminal 100 needs to make a voice call with the external terminal.

The control unit 180 may provide voice data from the counterpart terminal to the external display apparatus 200 and may transmit the voice data to the user through the speaker 210 of the external display apparatus 200 when the voice call is received. Conversely, voice data from a user can be transmitted from the external display device 200 to the mobile terminal 100 via a microphone or the like of the external display device 200 and transmitted to the counterpart terminal. Accordingly, the mobile terminal 100 can be controlled to make a voice call with the counterpart terminal through the external display device 200 even when the mobile terminal 100 controls the external display device 200.

7E is a diagram illustrating an operation of stopping the media played in the external display device 200 when a voice communication situation occurs in the mobile terminal 100. FIG. The user of the mobile terminal 100 makes a voice call with the counterpart terminal when the voice communication situation occurs, so that the media reproduced in the external display device 200 is stopped and the stopped part can be set to be stored.

8A to 8C are diagrams schematically showing control of an external display device when receiving a video call (video call) of a mobile terminal according to the present invention.

8A is a diagram illustrating a situation in which a video call is received as an event generated in the mobile terminal 100. FIG. Similar to FIG. 7A, the case of receiving an image call from an external terminal is shown. The control unit 180 can notify the external display device 200 of the reception of the video call through the control information when the video call is received. In addition, video data and audio data received from the counterpart terminal in relation to the video call can be transmitted to the external display device 200 through the control information.

8B is a diagram illustrating a video call reception situation in the external display device 200 when the mobile terminal 100 receives an image call. The display unit of the external display device 200 can display the status of the video call received by the mobile terminal 100 through the notification window 810. In this case, the media reproduced in the external display device 200 may be stopped.

8C is a diagram illustrating an operation of performing a video call with a counterpart terminal through the external display device 200 when the mobile terminal 100 receives an image call.

8C, the external display device 200 can recognize that the mobile terminal 100 has received the video call through the control information. The control information generated by the control unit 180 may include various setting information for switching the external display device 200 to enable video communication. Accordingly, the external display device 200 receiving the control information can perform the video call conversion during the playback of the media. Such a video call conversion state may be displayed through a notification window 820 of the display unit.

8B illustrates an operation of performing a video call with a counterpart terminal that transmits a video call through the external display device 200. In FIG. The display unit 151 of the mobile terminal 100 may indicate that the mobile terminal 100 is in a video call with a specific partner terminal. In this embodiment, since video communication is possible through the external display device 200, when a video call is made with a partner through the external display device 200, the display part 151 of the mobile terminal 100 The power supply may be turned off.

The external display device 200 receives not only control information from the mobile terminal 100 but also image data necessary for video communication. The received image data may be displayed on the display unit of the external display device 200 and may be set so that the user can make a video call.

9A to 9C are diagrams schematically illustrating control of an external display apparatus when a mobile terminal receives a message according to the present invention.

FIG. 9A is a diagram illustrating a state in which a message is received as an event generated in the mobile terminal 100. FIG. When the mobile terminal 100 receives the message through the wireless communication unit 110, it can transmit the message reception result and the message content to the external display device 200 through the control information. The reception of the message and the contents of the message may be included in the control information by the control unit 180 and transmitted to the external display device 200.

When the mobile terminal 100 receives a message, the external display device 200 controlled by the mobile terminal 100 may stop the media to be reproduced similarly to the call reception and power off situations.

9B is a diagram illustrating an operation in which the media of the external display device 200 is stopped and the content of the corresponding message is confirmed through the external display device 200 when the mobile terminal 100 receives the message.

9B, in the case of receiving a message, the mobile terminal 100 transmits information on whether or not the message is received to the external display device 200 through the wireless communication unit 110, and the external display device 200 The user can be informed of the reception of the message through the notification window 910 indicating that the message has been received during media playback.

9B, in the case of receiving a message, media to be reproduced in the external display device 200 may be stopped to confirm the content of the message according to the user's selection.

9B, the display unit 151 of the mobile terminal 100 displays the contents of the received message. The content of the received message may be transmitted to the external display device 200. The transmitted message contents can be displayed on the external display device 200. 9B, the media to be reproduced in the external display device 200 may be stopped as shown in FIG. 9B, but the content of the message may be displayed in the message window 930,

The mobile terminal 100 can perform other functions even while the mobile terminal 100 controls the external display device 200. [ For example, the control unit 180 may perform a specific application while controlling the external display device 200 to reproduce the specific media. In this case, the notification window may be displayed on the external display device 200 in which the specific media is reproduced when the predetermined time elapses while performing the specific application on the mobile terminal 100. [ Accordingly, the state of the mobile terminal 100, which is performing another function, can be confirmed through the external display device 200.

6 to 9, various events that may occur in the mobile terminal 100 have been illustrated by way of example, and the playback status of the external display device 200 is controlled to suit various events. However, the event occurring in the mobile terminal 100 described above is not limited to a specific form, and any situation that may occur in the mobile terminal 100 may be applied to the present invention.

The present invention is premised on reproducing media through the external display device 200 through the mobile terminal 100. [ Accordingly, it is possible to generate other control information for the external display apparatus 200 according to the state of the display unit 151 of the mobile terminal 100 while the media is reproduced through the external display apparatus 200. [ For example, when the display unit 151 of the mobile terminal 100 is turned off while the media is being reproduced through the external display device 200, the status of the mobile terminal 100 is displayed on the external display device 200 When the display unit 151 is turned on, the status of the mobile terminal 100 can be informed through the external display device 200 and the display unit 151 of the mobile terminal 100. On the other hand,

10A and 10B are diagrams schematically showing control of an external display device according to a power on / off state of a display unit of a mobile terminal according to the present invention.

When the power of the display unit 151 of the mobile terminal 100 is turned on while the media is being reproduced through the external display apparatus 200, the user's gaze is still on the display unit 151 of the mobile terminal 100, The probability of using the mobile terminal 100 is still high. Accordingly, in this case, it is preferable to notify the status related to the event to both the display unit 151 of the mobile terminal 100 and the external display device 200 when a specific event occurs in the mobile terminal 100.

On the contrary, when the power of the display unit 151 of the mobile terminal 100 is turned off while the media is being reproduced through the external display apparatus 200, the user does not use the mobile terminal 100 for a predetermined period of time. In this case, there is a high probability that the user's gaze is in the external display device 200 in which the media is reproduced. Accordingly, in this case, instead of notifying the display unit 151 of the mobile terminal 100 of such a situation when a specific event occurs in the mobile terminal 100, the external display apparatus 200 having the user's attention is informed of such situation .

10A is a diagram illustrating a case where an event occurs when the display unit 151 of the mobile terminal 100 is powered on.

10A, a display unit 151 of the mobile terminal 100 displays an LCD on state, and the external display device 200 receives the control of the mobile terminal 100 to reproduce the media.

10A shows a case where a specific event has occurred in the mobile terminal 100 and an event in which a call is received from a specific counter terminal is generated. In this case, since the power of the display unit 151 is on, the fact that the call is received is displayed on the display unit 151 of the mobile terminal 100, and the external display device 200 displays the control information The media to be reproduced due to the reception of the call is stopped.

FIG. 10B is a diagram illustrating an operation in which an event occurs in the mobile terminal 100 when the display unit 151 of the mobile terminal 100 is turned off, which is the reverse of FIG. 10A.

 In FIG. 10 (a), the display unit 151 of the mobile terminal 100 indicates that the LCD is off as a display unit for convenience of explanation. Also, the external display device 200 is controlled by the mobile terminal 100, and a specific media is displayed.

In (b) of FIG. 10, the mobile terminal 100 is a case where a specific event occurs and the mobile terminal 100 has received a voice call. In this case, since the power of the display unit 151 of the mobile terminal 100 is turned off, the occurrence of the corresponding event does not appear on the display unit 151 of the mobile terminal 100. However, the external display device 200 can receive the event occurrence from the mobile terminal 100 and display it to the user through the notification window 1040.

That is, the mobile terminal 100 or the external display device 200 may be configured to display the event occurrence event according to the use state of the mobile terminal 100, thereby providing convenience to the user.

Further, according to an embodiment of the present invention, the above-described display control method can be implemented as a code that can be read by a processor on a medium on which a program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The mobile terminal described above can be applied to not only the configuration and method of the embodiments described above but also all or some of the embodiments may be selectively combined so that various modifications may be made to the embodiments It is possible.

100 mobile terminal 110 wireless communication section
151 display unit 160 memory
180 control unit 200 external display device

Claims (12)

A mobile terminal for controlling an image reproduction operation of an external display device for reproducing a specific image,
A wireless communication unit for communicating with the external display device; And
And generates a first control signal for controlling the external display device to display information informing a situation that the power is turned off if the power of the mobile terminal is turned off in a state that communication is established with the external display device To the external display device through the wireless communication unit,
When the power of the mobile terminal is turned off, generates a second control signal for controlling the external display device to stop reproduction of the currently reproduced image and to store information about the reproduction point of the still image, To the external display device,
When the power of the mobile terminal is turned on again, the external display device generates a third control signal for controlling the image to be reproduced from the stopped part based on the stored information, And a control unit for transmitting to the external display device,
Mobile terminal. delete delete delete The method according to claim 1,
Wherein the control unit generates a fourth control signal for controlling the volume of an image currently being reproduced by the external display device to a specific level and transmits the fourth control signal to the external display device through the wireless communication unit. The method according to claim 1,
The external display device includes a monitor, a TV, and a portable terminal.
Mobile terminal. The method according to claim 1,
Wherein the external display device reproduces the image stored in an external storage device controlled by the mobile terminal,
Mobile terminal. The method according to claim 1,
The wireless communication unit communicates with the external display device through a DLNA (Digital Living Network Alliance)
Mobile terminal. Initiating a control operation for image reproduction of an external display device that reproduces a specific image;
Connecting a communication with the external display device;
And generates a first control signal for controlling the external display device to display information informing the status of the power-off if the power of the mobile terminal is turned off in the state that the communication with the external display device is connected Transmitting to the external display device;
When the power of the mobile terminal is turned off, generates a second control signal for controlling the external display device to stop the reproduction of the currently reproduced image and to store information about the reproduction point of the still image, Transmitting to the device; And
When the power of the mobile terminal is turned on again, the external display device generates a third control signal for controlling the image to be reproduced from the stopped portion based on the stored information, and transmits the third control signal to the external display device The method comprising the steps of: delete delete delete

Images